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How and When to Use Them

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A virtual card number is a substitute payment number linked to an eligible underlying card account. You can use it for supported online or in-app purchases without giving the merchant the number printed on your physical card, which can reduce the usefulness of exposed payment credentials if a merchant is later compromised.

It does not usually create a separate account or credit line, make an unsafe merchant trustworthy, or add new dispute rights by itself. Its main benefit is isolating the credential used at checkout from the number on the physical card.

How Virtual Card Numbers Work

A virtual card number replaces the card number you would normally type at checkout with a different number generated for an eligible account. Capital One describes its virtual card numbers as unique numbers linked to the underlying credit-card account, allowing eligible users to make online purchases without sharing the physical card number.

The number associated with the actual card account is commonly called the Primary Account Number, or PAN. A virtual-card system leaves the underlying account in place while presenting a substitute credential to the merchant.

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In practical terms, the process usually works like this:

  1. An issuer or supported payment service generates a virtual card number for an eligible account.
  2. You use the substitute number at an online or in-app checkout instead of the number printed on the physical card.
  3. The merchant submits the virtual credential for authorization through the normal card-payment process.
  4. The virtual credential remains associated with the underlying account so the issuer can authorize and post the purchase there.
  5. The transaction appears on the underlying account rather than creating a separate balance or credit line.

Implementations differ. Capital One currently offers both general-use virtual numbers and eligible merchant-specific numbers. Its general-use number can work with multiple online merchants, while a merchant-specific number is restricted to one merchant. Capital One also notes that not every customer or card is eligible.

Google describes its virtual cards as digital versions of eligible cards that use randomly generated numbers instead of the actual card number. Google also says availability depends on participating banks or networks, supported countries or regions, and merchant acceptance.

A simple example is a physical card whose account number ends in 1234. A supported virtual-card service can provide a different number for checkout while the resulting purchase still belongs to the original account.

Virtual card numbers and tokenized digital wallets can both reduce exposure of the underlying card number, but they are not necessarily the same technical implementation or checkout experience.

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A virtual card number may look like an ordinary card number that you or a browser autofill tool enters into an online checkout. A digital wallet can instead use a payment token associated with a device, merchant, or payment context.

EMVCo describes payment tokenization as replacing a Primary Account Number with an alternative value that can be constrained to a particular merchant, device, or payment scenario. That explains the broader security principle, but not every product marketed as a virtual card should automatically be described as an EMV payment token.

Virtual Number checkout and Wallet Token payment paths connect merchants to the same Underlying Card.

The distinction matters because different products support different controls. Some virtual numbers stay the same across many purchases, others are tied to one merchant, and wallet tokens can be restricted to a device or payment environment.

A virtual card vs digital wallet comparison matters when choosing between a manually entered substitute card number and a wallet-based payment token.

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Our Recommendations

1

When Buying From a New but Legitimate Online Store

Best for: reducing exposure of your physical card number when trying a retailer you have independently checked but have not used before.

A virtual number can be useful when you trust a merchant enough to make a purchase but would rather not give it the reusable number printed on your card.

Where the issuer supports merchant-specific numbers, the containment can be stronger. Capital One states that its merchant-specific virtual numbers are valid only with the assigned merchant, so that credential cannot simply be reused at another store through the same feature.

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The benefit is credential containment, not merchant verification. A virtual number can still successfully authorize a payment to a dishonest seller if you approve the transaction.

The Federal Trade Commission recommends checking unfamiliar online sellers independently and warns that an encrypted website alone does not prove that the seller is legitimate.

Important limitation: a virtual card number can reduce exposure of your physical card number, but it cannot establish whether a merchant is legitimate or whether an order will be fulfilled.

2

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When a Merchant Stores Your Card for Future Purchases

Best for: isolating one merchant from the number on your physical card when the issuer supports merchant-specific virtual credentials.

Saved-card checkout is convenient, but it means a merchant or its payment provider retains a payment credential associated with your account. A merchant-specific virtual number can give that merchant a dedicated substitute credential rather than the number printed on your physical card.

Capital One currently lets eligible users create multiple merchant-specific virtual numbers, each intended for one merchant, and manage those credentials separately.

This can be useful if you shop repeatedly at one website and want the stored credential for that retailer separated from the card number you use elsewhere.

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Important limitation: merchant-specific numbers are implementation-dependent. Other virtual-card services may provide one substitute number that works across multiple merchants.

3

For Subscriptions You Want to Isolate

Best for: recurring payments when the issuer supports a persistent virtual number that can be managed separately.

A persistent virtual number can be useful for subscriptions because the merchant can keep charging the substitute credential without receiving the physical card number.

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Capital One states that eligible virtual cards can be used for recurring payments and subscriptions. Its current management tools also let eligible users lock, replace, or delete virtual numbers separately from ordinary purchases made with the physical card number.

That can isolate one recurring merchant from unrelated card activity. For example, a merchant-specific credential used only for one subscription is easier to identify and manage than one physical card number shared across many merchants.

There is an operational consequence. Capital One explicitly states that recurring payments associated with a deleted virtual number will be declined, so legitimate payment details may need to be updated afterward.

Deleting a payment credential is not the same as canceling a contract or subscription. If the service has a cancellation process, follow it rather than relying on failed future charges.

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Important limitation: deleting or replacing a virtual number can interrupt legitimate recurring payments, and issuer behavior varies.

4

When You Want Online Purchases Separated From Your Physical Card Number

Best for: routine e-commerce when you want merchants to receive a substitute credential instead of the number printed on your card.

This is the broadest everyday use case. Instead of entering the physical card number at each supported checkout, a virtual-card system can provide a different credential while keeping the same underlying account.

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American Express says its eligible virtual-card implementation does not share the physical card details with the merchant and dynamically supplies the security code used at checkout. Purchases still appear as regular transactions on the underlying Amex account.

This illustrates the central trade-off: the credential shown to the merchant changes, but the underlying account remains. Spending still posts to that account and remains subject to its credit limit, balance, issuer rules, and other account terms.

Capital One likewise states that its virtual cards are tied to the associated physical-card account. If the physical card is locked, transactions on its virtual cards will not go through.

Important limitation: a virtual number does not separate you from the underlying account’s balance, credit limit, fees, interest, or repayment obligations.

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5

For Controlled Business or Vendor Payments

Best for: organizations that need payment credentials with transaction or policy controls.

Commercial virtual cards can do more than conceal a broader funding-account number. Business systems can generate credentials for specific transactions, suppliers, or workflows and apply controls to their use.

Mastercard’s current commercial virtual-card material describes unique virtual numbers, workflow approvals, and controls defining how, where, and when a virtual number may be used. Its commercial platform also supports spending limits and restrictions.

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This can let a business provide a constrained payment credential for a supplier or purchase without exposing the broader funding-account number.

These are commercial virtual-card capabilities. They should not be assumed to exist on an ordinary consumer virtual card merely because both products use the same general terminology.

Important limitation: amount restrictions, approval workflows, merchant controls, and similar features are commercial product capabilities, not universal consumer virtual-card features.

When a Virtual Card Number Is a Poor Fit

A substitute credential is useful only when the merchant and the later transaction lifecycle can support it. In some cases, the physical card number or another payment method is more practical.

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  • The merchant does not accept virtual cards. Google says certain merchant sites and apps opt out of virtual-card acceptance, while Capital One also notes that some merchants may reject virtual numbers.
  • You may need to show the original card later. Capital One warns that a virtual number may be unsuitable when a travel reservation, hotel, event, or similar transaction requires the customer to present or swipe the card used for booking because the virtual and physical numbers do not match.
  • Your account is not eligible. Availability can depend on the issuer, card, account status, network, country or region, browser, device, and payment platform.
  • A changing credential would interfere with repeat billing. Persistent virtual numbers can support subscriptions, but short-lived or replaced credentials can cause later charges to fail.
  • You are treating it as protection from a fraudulent seller. A virtual number can still authorize a transaction that you willingly approve.

If an eligible virtual card unexpectedly fails, a virtual card decline can result from merchant acceptance, an expired credential, a billing-address mismatch, insufficient available credit, or issuer restrictions.

How to Get a Virtual Card Number

There is no universal setup process because availability is controlled by the issuer, network, or supported payment platform. Common access methods include an issuer’s website or mobile app and supported browser or Android autofill features.

For example, Capital One currently lets eligible cardholders access virtual numbers through its website and mobile app. Google supports virtual-card enrollment for eligible cards from participating banks or networks in supported regions. American Express lets eligible U.S. cardholders enroll supported cards for its Google-based virtual-card feature.

Before relying on a virtual number, check:

  • whether your exact card or account is eligible;
  • whether identity verification or enrollment is required;
  • whether the credential works only online or in supported apps;
  • whether it is general-use, merchant-specific, persistent, or temporary;
  • whether recurring payments are supported;
  • how the issuer lets you lock, replace, or delete it; and
  • what happens when the underlying card is locked, replaced, or closed.

Do not assume two issuers implement virtual cards the same way. Capital One, American Express, Google-supported issuers, and commercial Mastercard systems expose different eligibility rules, controls, and checkout behavior.

What a Virtual Card Does Not Protect You From

A virtual card number addresses one main problem: exposing the number associated with the underlying physical card. It does not eliminate the other ways online payments can fail.

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  • Fraudulent merchants: a substitute number can still authorize a purchase from a scam seller.
  • Account takeover: an attacker who gains access to your issuer account or authentication method may present a different problem from stolen merchant-side card data.
  • Underlying debt: a virtual credit-card number is still connected to the underlying credit account, so balances, interest, fees, and repayment obligations remain.
  • Merchant disputes: using a virtual number does not automatically create stronger refund, chargeback, or statutory rights than the underlying account already provides.
  • Compatibility problems: the feature may not be available for the card, platform, region, or merchant involved in the transaction.

If the goal is broader than concealing a physical card number, compare alternatives to credit cards for online payments by credential exposure, reachable funds, dispute options, and debt risk.

A virtual card number is most useful when you already intend to make a legitimate online purchase and want the merchant to receive a substitute credential instead of your physical card number. Used in that role, it can reduce credential-reuse risk without changing the account that ultimately pays for the transaction.

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Anthropic CEO Dario Amodei Calls For AI Slowdown

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An anonymous reader quotes a report from The New York Times: The chief executive of Anthropic called for a global slowdown of artificial intelligence development in a 3,800-word essay on Saturday, just days after one of the company’s employees quit over concerns about the safety of the technology. Dario Amodei, who co-founded Anthropic to focus on securely and carefully building A.I., wrote that while he believed the technology could bring many benefits, it was advancing at too quick a pace for researchers to continue safely.

“Over the last few months, I have become convinced that fully addressing the risks requires even more prudence — not just investing in risk prevention, but pacing the rate of capabilities advancement so that risk prevention has time to keep up,” Mr. Amodei said. “We must slow the pace at which we improve the capabilities of A.I. models. Progress will still seem fast, and we must make wise use of the time we gain.” […] “Left unchecked, it could outrun our ability to understand and control these systems, and so must be pursued very carefully, if at all,” Mr. Amodei said.

[…] In his essay on Saturday, Mr. Amodei suggested actions that the industry might take to slow down the pace of development.
Mr. Amodei said all A.I. labs could agree to third-party technology assessments from “embedded evaluators,” or outside specialists who can verify best safety practices across companies. He also suggested that countries with democratic governance systems coordinate to create safety standards, which could take the form of regulatory action. He added that it would probably require a global effort working with other nations, including authoritarian ones, to properly coordinate a slowdown.

Mr. Amodei stressed in his essay that he still finds A.I. capable of bringing “incredible benefits” to humanity, including potentially curing diseases and accelerating economic growth. But even so, Mr. Amodei said the risks of A.I. were too great to not proceed with extreme caution. “The measures I propose to advance the frontier at a safe pace will not be easy,” Mr. Amodei wrote. “But I believe we owe it to humanity to try.” Amodei’s essay comes just hours after Bloomberg reported that Sam Altman told OpenAI employees the company is open to slowing the pace of AI development amid similar concerns.

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Sam Altman backs Dario Amodei’s call to slow down, and says OpenAI will do the same

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Sam Altman says OpenAI will match Anthropic’s commitment to give independent evaluators employee-like access, a day after Dario Amodei asked the industry to slow down and asked Washington for a narrow antitrust waiver so competitors could coordinate. Europe has no waiver to grant, because Brussels abolished individual exemptions in 2004, and the only soft safe harbour it has since written for competitor standards covers sustainability.

OpenAI has said it will match Anthropic’s safety commitment, a day after Dario Amodei asked the industry to slow down. “I agree with Dario that we need to pace the frontier,” Sam Altman wrote, as Axios reported.

He called independent evaluators with employee-like access a great idea, said OpenAI would do the same, and promised more to share soon. Pacing had been a primary topic of discussion inside OpenAI in recent weeks, he added.

Elon Musk, who runs xAI, was briefer. “Dario is right,” he posted.

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Amodei’s essay on Saturday asked frontier labs to let outside teams verify their safety work from inside their offices. Anthropic’s own version gives them desks, badges, company laptops and the right to publish what they find. It also asked Washington for something harder.

He wants a narrow waiver, so that competitors can hold safety conversations without the conversations themselves becoming the legal problem. Governments need not take part, he wrote, only permit the discussions.

Two of the largest labs have now agreed a common commitment in public, inside a day. That is the first rung of the three-step plan Amodei set out.

In Europe there would be nobody to ask.

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The Commission stopped granting individual exemptions when Regulation 1/2003 took effect in 2004. Before that, companies notified their agreements to Brussels and waited. Competitors now assess their own against Article 101 and live with the answer.

What Europe has instead is a precedent. It rewrote its horizontal cooperation guidelines in 2023, expanding them from 72 pages to 167.

The new text carries a 21-page chapter on sustainability agreements, including a soft safe harbour for standards that meet six conditions. It also reworked the chapters on standardisation and on information exchange between rivals.

That is close to the machinery Amodei is asking America to build. Europe has already built it once, for a different public good.

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There is no equivalent chapter for safety standards, and nobody has asked for one.

His essay does not mention Europe, and neither did Altman’s reply. The Commission’s own tech chief said last week that global rules are needed.

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AT&T store worker gets 16 months inside for SIM-swap side hustle

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cyber-crime

Phone shop staffer claimed he was paid less than $4k for in his part attacks leading to combined intended losses of $600,000

A former AT&T retail worker who used his system access to hijack customers’ phone numbers for cybercriminals has been sentenced to 16 months in federal prison.

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Kenneth Carter, 44, carried out the SIM swaps at a store in Portland, Oregon, , allowing the criminals to intercept authentication codes and raid victims’ bank accounts.

Court documents show that Carter worked with at least three other people in the scheme, which ran between May 2018 and November 2019, and caused nearly $600,000 in intended losses.

Co-conspirator One, described in court documents as the operation’s main “hacker,” identified victims with online bank accounts, gathered their personal data, and sent it to Carter, who could reassign their phone numbers.

Carter abused his access to AT&T’s systems to transfer victims’ phone numbers to devices controlled by the other criminals. His role was described as “instrumental to the scheme.”

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Co-conspirator Two and Co-conspirator Three would walk into the store and impersonate the victim whose number they planned to SIM-swap, and Carter would reassign the number to a phone they controlled – usually a “cheap flip phone.”

Once the swap was complete, the criminals could use the flip phone to intercept SMS-based 2FA codes and password reset messages, take over the victim’s bank account, and steal funds.

The intercepted codes were relayed to Co-conspirator One, who used them to access the victims’ bank accounts.

Court documents also refer to “an unnamed family member” who held a minor role in the scheme. They were described as someone “who occasionally passed along the two-step authentication codes” to Co-conspirator One.

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According to the Justice Department, three victims incurred combined intended losses of $593,963.77, and Carter admitted carrying out additional unauthorized SIM swaps.

Carter’s plea agreement [PDF] included details of three SIM swap attacks he helped execute. Only one victim suffered an actual loss: $99,528.33 transferred to a Portuguese bank account.

The conspirators attempted to transfer $247,652.74 and $246,782.70 from the other two victims, but the banks’ fraud controls blocked both transactions.

Prosecutors said Carter was paid between $1,000 and $2,000 per swap, although he maintained that he earned less than $4,000 in total.

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Law enforcement raided Carter’s residence in November 2019, finding copies of the personal data provided to him to carry out the SIM swaps, including the Social Security number of the one victim whose money was successfully stolen.

AT&T terminated Carter’s employment at an unspecified date in 2019. He pleaded guilty on March 24, 2026, to conspiracy to commit wire fraud and bank fraud.

In a letter to United States District Judge Stanley Blumenfeld, Jr., Carter described his offending as “a one-off situation that truly was a mistake.”

He explained that he takes care of his mother-in-law, who spends much of her time in a hospital bed located in the family living room, and two daughters, one of whom has schizophrenia.

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Carter claimed that he was “propositioned by my in-law cousin with an opportunity for me to make a little extra money for my family.”

“I was told I wouldn’t have to do anything but do my job,” he added. “So, I was under the impression that this was a harmless act. As far as I knew at the time, I was never a part of a ring, nor was this an out-of-state matter.

“My incident was isolated to just Portland, OR, and the incident occurred while I was employed by AT&T. I later learned that what I found myself a part of was criminal, and I also learned after the fact the severity of what my co-conspirators were doing with the flip phones I sold under customer accounts.”

Federal prosecutors were unmoved by Carter’s letter. In their response [PDF], US attorneys argued that Carter had not provided enough evidence to show he was unaware of the criminal activity’s scope or nature, or that he was less culpable than the “hacker” who coordinated the operation.

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In addition to the 16-month sentence, Judge Blumenfeld, Jr. ordered Carter to pay $99,528 in restitution. ®

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More JFrog Artifactory bugs under attack, and all 3 have patches

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security

If you’re waiting for a sign to upgrade to a fixed version: this is it

JFrog Artifactory instances continue to get hit hard. Multiple attackers are exploiting three JFrog Artifactory bugs to gain administrative control over vulnerable instances – in some cases, just days after the vendor published a patch – and then using this illicit access to install malicious plugins and backdoors.

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The three vulnerabilities are:

CVE-2026-42018 is a high-severity, improper authentication flaw that can return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled. An attacker can use this token to authenticate to the repository manager and then access sensitive resources. JFrog patched this vulnerability on August 12.

CVE-2026-42016 is a high-severity privilege-escalation bug. Artifactory doesn’t properly validate the token’s scope, and this can allow an attacker with low-privileged access to elevate privileges and perform actions that they should not be allowed to do. JFrog fixed this one on July 27.

CVE-2026-82329 is a critical authentication-bypass vulnerability that allows unauthenticated attackers with network access to obtain administrative privileges. JFrog published a patch for it on August 28.

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Earlier this month, security researchers told The Register that miscreants began battering internet-exposed systems vulnerable to CVE-2026-82329 just four days after JFrog disclosed the bug. In addition to creating new administrative credentials, watchTowr’s honeypot network caught miscreants “enumerating users, groups, credential sets and federated access topologies,” said Yordan Ganchev, principal threat intelligence specialist at watchTowr.

The one thing everyone agrees upon is that attackers didn’t start exploiting any of these CVEs until after JFrog issued fixes.

In a Thursday report, Wiz security researchers “confirmed in-the-wild exploitation of all three vulnerabilities across multiple environments,” and noted that “patching velocity has been slow.”

JFrog has not responded to any of The Register’s inquiries about attacks against any of the three CVEs.

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‘Patching velocity has been slow’

Six weeks after JFrog disclosed CVE-2026-42016, 59 percent of organizations remain vulnerable, and 62 percent remain vulnerable to CVE-2026-42018 after four weeks. Organizations have been quicker to remediate the critical bug, CVE-2026-82329, although 49 percent remain vulnerable two weeks after its publication, according to Wiz.

Beginning August 15 and running through September 8, Wiz spotted “multiple” attackers chaining CVE-2026-42018 and CVE-2026-42016 against self-hosted Artifactory instances to gain admin access. Many of these intruders then dropped a custom Rust backdoor to establish command-and-control (C2) capabilities. 

While the post-exploitation activity varies, Wiz reports observing attackers doing all types of mischief with their administrative access to compromised Artifactory instances, including establishing persistent admin accounts, installing Groovy plugins to achieve remote code execution on the server, executing shell commands run through the plugin to perform reconnaissance and scan for sensitive files, deliver second-stage payloads, and upload web shells.

Then, between September 1 and 8, Wiz saw “several” attackers exploiting CVE-2026-82329. These intrusions were not a “unified attack chain by a single threat actor,” but spanned multiple illicit behaviors including exfiltration of configuration details, establishing persistent admin accounts, token minting for long-lived credentials, stealing keys, attaching their own SSH keys to created users in some cases, and enumerating users, repositories, and tokens.

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If you haven’t already, patch vulnerable instances

Wiz advises – and we strongly concur – upgrading to a fixed Artifactory version as soon as possible.

“Given that exploitation may be possible remotely without authentication under the default configuration, organizations should prioritize internet-accessible Artifactory instances and restrict network access to trusted users and systems where possible,” the researchers added. “Organizations should also review Artifactory authentication and administrative activity for unexpected privileged access.”

These latest exploits follow a rough few months for JFrog’s package management system, which has been under fire from both human and AI attackers.

OpenAI and JFrog revealed that OpenAI’s models broke out of their cages to hack Hugging Face by exploiting an Artifactory zero-day in July, and at Black Hat, the model provider said agents used Artifactory to build message boards and help each other access the open internet.   ®

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Google may have a fitness tracker in the works with a display and Wear OS

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Google may be preparing a successor to the Fitbit Charge 6, and it could bring a major software change to the fitness band. A mystery device identified as G8BL6 has appeared at the FCC with Bluetooth LE, built-in GNSS, and what appears to be a display. 9to5Google believes the device could run Wear OS and says it would make sense as a successor to the Charge line.

The Charge 6 has not been refreshed since 2023. Google also showed an unidentified fitness band in Pixel 11 ads in August. The device had a tall display and looked closer to a Fitbit Charge than a Pixel Watch. Google never identified it, but the FCC device could be the same product.

Wear OS would be a major change for the Charge line

The Charge 6 already supports Google Maps, Google Wallet, YouTube Music controls, notifications, and dozens of exercise modes without running Wear OS. Moving a future Charge to Wear OS could give it access to a broader app ecosystem and deeper Google integration. It would also be unusual for a fitness band. Devices in this category generally use lighter software that requires less processing power and consumes less energy.

A full Wear OS experience would also require more capable hardware than a conventional fitness tracker. Google would likely need a modern wearable processor, more memory, and substantially more storage.

Battery life could be the difficult part

The Charge 6 is rated for up to seven days of battery life, although Google notes that features such as the always-on display can reduce that figure.

Matching that endurance with Wear OS could prove difficult in a slim fitness-band design. Google could instead develop a stripped-down version of Wear OS for this form factor and remove some of the apps, background services, and other smartwatch features that demand more hardware and power.

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For now, though, that is all speculation. Both ideas depend on clues from the FCC filing and the assumption that this is the same mystery tracker Google previously showed in its advertising.

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Automattic confirms Mullenweg has returned as CEO after attempted ouster by board

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After a tumultuous week, which saw WordPress founder Matt Mullenweg ousted from his position as CEO of Automattic, WordPress.com’s parent company, by way of a board vote, the company has now issued a statement confirming that Mullenweg has returned to his position.

“Matt Mullenweg is the chairman and CEO of Automattic, with full support of the board and if you search online you can see many top executives and Automatticians supporting him as well,” a company spokesperson shared with TechCrunch via email just after 5 PM ET on Saturday evening. (The mention of online support appears to refer to supportive posts on X that Mullenweg has been reposting from his X account.)

Automattic’s board had voted earlier this week to put Mullenweg on a paid leave of absence for unknown reasons. The move seemingly came as a surprise to Mullenweg, who posted on Automattic’s Slack, accusing the board members of “conspiring” against him.

Automattic confirmed Mullenweg’s removal to TechCrunch on Wednesday, saying that Mullenweg was “currently on leave” and that Automattic’s Chief Financial Officer, Mark Davies, would lead as interim CEO with “full confidence” of the board.

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However, the board’s plan did not go smoothly. Seemingly declining to depart, Mullenweg booted other admins out of the company Slack and told employees everything had been worked out and that he was back in control of Automattic, multiple sources told TechCrunch. At one point, he also posted to Slack, “I’m a pirate now” and cursed, which is something Mullenweg famously did not do. “If this is an HR problem, please wrangle me in since my normal wranglers are with Mark Davies,” he wrote.

When TechCrunch asked Mullenweg if his comments about being back as CEO were legitimate, he promised a blog post was coming. When it arrived, however, it was about him buying a houseboat. When we asked if his comments about being back were also him trolling, he replied, “I’m not a troll I’m a pirate, obviously.” Mullenweg never provided any official comment about his return, but noted on X that this was likely the fifth time he’s faced a “coup.”

Automattic also did not respond to repeated requests for comment on Friday, nor to reports we heard about board member Toni Schneider stepping down. Schneider, a founding CEO of Automattic, now leads Bluesky. He did not return requests for comment at his personal email or via requests sent to Bluesky.

We have since asked Automattic again about this and other changes to the board’s composition, which we’re hearing still may be in flux.

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Is There Any Benefit To Restarting Your Gaming Handheld Regularly?

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It helps on a number of levels, it turns out.

If there’s one piece of advice that’s been echoed all over tech forums and support pages the moment someone brings up an issue, it’s probably, “Restart your device.” Even though gaming handhelds like the Steam Deck and the ROG Ally don’t look like laptops, under that portable hood they’re running full PC operating systems, regardless of whether that’s Valve’s SteamOS or Windows. So, at their core, they still run on the same principles as your regular PC. That means the age-old advice of “turn it off and on again” still holds true here and with an impressive success rate.

On the surface, restarting your gaming handheld seems like basic advice, but there’s more to it than meets the eye. That simple restart can fix a surprising number of issues, from a game that keeps crashing to sudden frame drops and lag. It can even clear up lingering audio issues. So there are a lot of benefits to restarting your gaming handheld regularly; it’s even one of the first troubleshooting steps on Valve’s Steam Deck support page. It won’t solve everything, but it’ll at least clear out whatever’s built up in your background and give the system a clean slate to work with.

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Benefits of restarting your gaming handheld regularly

The first benefit of making regular restarts a habit is that it keeps your device’s memory clear. The more you use your console, the more your RAM (random-access memory) gets filled up, and over time some games and applications can fail to release memory back to your system or leak memory even after you’ve closed them. These leaks and memory hogging eventually slow down your gaming handheld, and worse, it’s not something you can prevent. But by simply restarting your gaming handheld regularly, you can keep those effects from building up over time.

Another unsung benefit of restarting your gaming handheld is that it allows your system to apply updates effectively. A good ol’ restart allows your device to properly integrate all the important stuff packaged into an update (like bug fixes, security patches and performance improvements) into your system. So, by regularly restarting your gaming handheld, you ensure that your device is always up to date. Regular restarts can also help you resolve software glitches before they cause your gaming handheld to freeze or crash.

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Yes, hibernating and powering off helps too

Powering off your handheld gives the same benefits as restarting simply because it’s basically the same thing. Meanwhile, hibernating your gaming handheld doesn’t give the benefits of a restart or power-off; instead, it allows you to save your exact session to storage when you’re not using the device and then pick up where you left off, all with little to no battery drain. Powering off or hibernating your gaming handheld when it’s not in use is widely recommended, especially when you’re carrying it around inside a carry case or a bag with poor ventilation where it risks overheating.

In case you’re wondering, regularly restarting your gaming handheld doesn’t mean you need to do it every few hours. There’s no fixed or universally accepted number on how often you should restart your gaming handheld, but a good place to start is once every few days or at least once a week.

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Nvidia’s Groq acquihire is on the DOJ’s radar, but it’s already too late

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LEGAL

Even if regulators did somehow unwind the $20B deal, there’s a growing list of alternatives ready to take Groq’s place, no merger required

Nvidia spent a whopping $20 billion late last year to license Groq’s AI accelerator tech and hire away key members of its engineering team in an everything-but-the-kitchen-sink deal.

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The acquihire technically left Groq’s core inference-as-a-service business intact, but was clearly architected in such a way as to fly under regulators’ radar.

Only it didn’t.

This week, The New York Times reported that the US Department of Justice had launched an antitrust probe into the deal.

It’s hard to argue that Nvidia didn’t strip the startup for parts. It may not have been a merger in the traditional sense, but without its engineering staff, Groq may as well be Nvidia’s puppet at this point.

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Despite this, Nvidia contends the deal is a great American success story. 

“The Groq story is a prime example of the American system working as designed to promote innovation, reward entrepreneurs, and benefit consumers. The law is designed to encourage America’s startup ecosystem and promote the fundamental rights of inventors and workers to pursue their dreams,” an Nvidia statement provided to El Reg and other media reads.  

Whether the acquihire of Groq actually harmed competition is another matter entirely. But, even if the Justice Department did force Nvidia to unwind the team, it’s probably too late.

What exactly did Nvidia buy?

Nvidia’s Groq acquihire bought it two key assets: mature silicon and the talent necessary to continue its development.

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Groq – which, by the way, is completely unrelated to Elon Musk’s Grok model series – made a name for itself using SRAM-heavy dataflow accelerators to speed up LLM inference to hundreds and now thousands of tokens a second, something that GPU-based systems from Nvidia had struggled to do on their own.

But while faster than GPUs, the accelerators couldn’t achieve rapid throughput. Think of it this way: If Groq’s LPUs were the F1 cars, Nvidia’s GPUs were more like a city bus. But combine the two and you get something more akin to a sport pickup.

At GTC in March, Nvidia unveiled its LPX racks, which are powered by 256 Groq-3 accelerators. As we understand it, they are really lightly modified versions of the startup’s existing Groq-2 chip designs, which makes sense, because three months is absurdly fast to tape out new silicon.

Nvidia CEO Jensen Huang promised Groq-3 combined with its Vera Rubin GPU racks would deliver optimal performance across the entire spectrum of inference workloads.

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But, as we’ve discussed at length now, disaggregated compute architectures are not unique to Groq. Nvidia rival Cerebras is building similar systems with AWS and AMD, SambaNova is working with Intel, and d-Matrix and its partners are combining its in-memory compute platform with Nvidia GPUs to the same end as Nvidia’s Vera Rubin-LPX rack combo.

The damage, if any, has been done

Deals of this sort that are engineered to avoid regulatory scrutiny should get it anyway, several US senators have argued. While Nvidia didn’t outright buy Groq on paper, it may as well have. 

However, the real question for the DOJ is whether the deal was harmful to competition, and given the competitive landscape, proving harm may be easier said than done.

But even if the DOJ found reason to litigate and was successful in unwinding the deal — it certainly wouldn’t be the first time regulators had torpedoed an Nvidia deal — it probably wouldn’t change much.

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Before Nvidia and Groq announced their licensing deal, the GPU giant was already laying the foundations for an ecosystem with its networking business at its center.

In late 2024, the company contributed its MGX rack designs to the Open Compute Project (OCP) making it possible for any chipmaker to put their chips in racks originally designed for Nvidia GPUs.

Then in mid-2025, GPUzilla opened its high-speed interconnect tech — the secret sauce that makes six dozen GPUs behave as one — to the broader industry through a licensing scheme called NVLink Fusion.

As we recently discussed, the combination of open racks and Nvidia networking effectively meant that any chipmaker licensing the tech could slot their designs directly into Nvidia’s racks.

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If the DOJ blocked the acquihire and unwound the deal, Nvidia might lose direct control of LPU development and any revenues from the sale of the chips, but it wouldn’t necessarily be the end of its Groq LPX racks.

Groq would just join the growing number of Nvidia hardware partners designing around the company’s AI factory ecosystem. In fact, if anything, the acquihire ensures that even if regulators eventually derail the deal, there will be plenty of alternatives lined up and ready to fill the void. ®

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Could Europe’s four giant carriers’ new consortium rival Starlink?

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The four potential collaborators initially formed an equal-partnership ad-tech joint venture in 2023.

Four of Europe’s largest telecom operators are said to be in talks to create a consortium that will bid on satellite spectrums and offer direct-to-mobile service in Europe, Bloomberg reported earlier this week.

The mooted partners – Germany’s Deutsche Telekom, France’s Orange, Spain’s Telefonica and the UK-headquartered Vodafone – are expected to make a joint bid for a share of airwaves that the EU has planned to reserve for local operators in order to strengthen home-grown European sovereign satellite communication capabilities, according to Bloomberg.

The sector is currently dominated by Elon Musk’s SpaceX.

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The talks are in early stages, sources told Bloomberg. The four potential co-bidders initially formed an equal-partnership ad-tech joint venture in 2023.

Earlier this year, the EU adopted a proposal to select mobile satellite services providers who will be authorised to use the 2GHz frequency band beyond 2027, when the current licences expire. These licences were first handed out in 2008.

Under new rules, one-third of the band will be dedicated to government use, while the remaining two-thirds will be used commercially to provide direct-to-device services for mobile users.

SpaceX – which currently provides its satellite broadband to much of Europe with Starlink – has pushed back on the European Commission’s plans to boost satellite sovereignty in the region.

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In June, the company said that the proposal creates a “significant likelihood that Europeans will be left without direct-to-device satellite services or that new European operations will create global interference problems, including to emergency services like those in Ukraine”.

SpaceX already has a partnership with Deutsche Telekom to provide direct-to-device services in the EU – something it cannot do independently.

Last year, Vodafone and AST SpaceMobile, a US company building a space-based cellular broadband network, announced a joint venture called SatCo with the aim of providing exclusive direct-to-device satellite broadband services to European mobile network operators.

Don’t miss out on the knowledge you need to succeed. Sign up for the Daily Brief, Silicon Republic’s digest of need-to-know sci-tech news.

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Credit Card vs Debit Card Online: Which Is Safer?

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For U.S. consumers, a credit card is generally safer than a debit card for online shopping when the main concern is unauthorized transactions, covered merchant disputes, or keeping checking-account funds available while a problem is investigated. Debit cards still have important protections, but their direct connection to a deposit account and their timing-sensitive federal liability rules can make fraud more disruptive.

That does not make a credit card the best financial choice in every situation. If using credit leads you to carry an unaffordable balance and pay interest, avoiding debt may be the more important risk. The useful comparison is what happens when an online transaction goes wrong.

The first difference is where the purchase is funded. A debit card normally uses money already held in the linked checking account. A credit card uses credit provided by the card issuer. The Federal Trade Commission’s comparison of payment cards explains both this funding difference and the different legal protections that apply.

Suppose an unauthorized $800 online purchase appears on each type of card. With a debit card, that transaction can reduce the money available in the linked account while the matter is investigated. With a credit card, the disputed transaction normally affects the credit account rather than directly removing $800 from checking.

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That difference matters even when the consumer ultimately has no financial loss. A temporarily reduced checking balance can interfere with rent, utilities, scheduled transfers, or other payments. Final fraud liability and short-term access to cash are separate risks.

Credit cards also have a relatively simple federal limit for qualifying unauthorized use. Under Regulation Z’s credit-card provisions, a cardholder’s liability generally cannot exceed the lesser of $50 or the amount obtained through unauthorized use before the issuer is notified, provided the regulation’s conditions for imposing liability are met.

Credit Card vs Debit Card: Safety Comparison at a Glance

The most useful comparison is not whether both cards advertise fraud protection. It is how federal liability, access to checking-account funds, merchant-dispute rights, network policies, and debt risk differ.

Credit Card vs Debit Card for Online Purchases

Comparison of credit-card and debit-card protections and practical risks for U.S. online shoppers
Feature Debit Card Credit Card
Purchase funding Usually draws from money in a linked checking account. Uses a credit line rather than directly withdrawing checking-account funds.
Federal unauthorized-use liability Can vary based on the circumstances and how quickly the consumer reports the problem. For qualifying unauthorized use, liability generally cannot exceed $50 and may be lower.
Stolen account number Regulation E protections apply to unauthorized electronic fund transfers, with reporting rules affecting potential liability. If the physical card was not lost but the account number was stolen and used, CFPB guidance says the consumer generally has no liability.
Effect on checking-account cash An unauthorized transfer can reduce available account funds before the matter is resolved. A disputed purchase normally does not directly remove funds from the checking account.
Federal merchant-dispute framework Regulation E provides error-resolution rights for electronic fund transfer errors, but it does not mirror Regulation Z’s billing-error category for goods or services not delivered as agreed. Regulation Z covers several billing errors, including certain transactions involving goods or services not accepted or not delivered as agreed.
Additional network protection Some networks and issuers provide protections beyond federal minimums. Networks and issuers may also provide protections beyond federal minimums.
Debt and interest risk Usually uses money already held in the account and does not create ordinary revolving credit-card debt. Can create interest charges and revolving debt when balances are carried, depending on the account terms.

For online-payment protection, credit generally has the advantage. That does not mean it wins every financial criterion. A shopper who is likely to carry expensive credit-card debt may reasonably give greater weight to borrowing risk.

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What Happens If Someone Uses Your Card Without Permission?

Credit-card unauthorized use

Federal credit-card rules provide a relatively straightforward liability ceiling. Regulation Z states that qualifying liability for unauthorized credit-card use cannot exceed the lesser of $50 or the value obtained before the issuer is notified.

The protection can be stronger when the physical card remains in your possession. According to the Consumer Financial Protection Bureau’s guidance on unauthorized credit-card charges, if someone steals and uses only the account number and you have not lost the card itself, you generally have no liability for that unauthorized use.

“Unauthorized use” has a specific legal meaning. Regulation Z defines it as use by someone other than the cardholder who lacks actual, implied, or apparent authority and from which the cardholder receives no benefit. A disagreement involving a family member, employee, or another person who was previously allowed to use the card can therefore be more complicated than a straightforward stolen-number case.

Debit-card unauthorized transfers

Debit cards also have federal protections, but reporting timing can materially affect potential liability. Under Regulation E’s unauthorized-transfer rules, a consumer who notifies the financial institution within two business days after learning that an access device was lost or stolen generally faces liability of no more than the lesser of $50 or the unauthorized transfers that occurred before notice.

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If the consumer waits longer than two business days, potential liability can rise. Regulation E describes circumstances in which the applicable ceiling can reach $500, although the actual amount depends on when the transfers occurred and whether the institution establishes that later transfers could have been prevented by timely notice.

Debit card reporting timeline shows Discover Loss, 2 Business Days, Statement review and the 60 Days deadline.

The often-repeated “60-day rule” also needs precision. If an unauthorized electronic fund transfer appears on a periodic statement, the consumer generally must report it within 60 days after the institution transmits that statement to avoid potential liability for later unauthorized transfers that timely notice could have prevented. It is misleading to say that every unauthorized dollar automatically becomes the consumer’s responsibility on day 61.

Because reporting time can affect the outcome, responding to an unauthorized online card purchase should include prompt notice to the issuer or financial institution and preservation of the relevant transaction records.

A consumer can ultimately have little or no liability and still experience temporary disruption. That distinction is particularly important with debit cards because the disputed transfer can affect money already sitting in the linked account.

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Under Regulation E’s error-resolution procedures, a financial institution generally must investigate promptly and determine whether an error occurred within 10 business days after receiving a qualifying notice of error.

If the institution cannot complete the investigation within that period, it can generally take up to 45 days if it provisionally credits the consumer’s account within the required period and satisfies the other conditions in the rule. Regulation E provides longer investigation periods for specified categories, including certain point-of-sale debit-card transactions, transfers initiated outside a state, and qualifying new-account cases.

Provisional credit is a temporary credit placed in the account while the investigation continues. It is not necessarily a final determination that the consumer’s claim is valid.

Consider the $800 fraud example again. If an unauthorized debit transaction reduces the checking balance shortly before rent is due, the consumer may face a cash-flow problem before the investigation or provisional-credit process restores access to those funds. An unauthorized credit-card transaction ordinarily does not remove that $800 from checking in the first place.

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Credit Cards Have Federal Billing-Error Rights for Some Merchant Problems

Online-shopping problems are not limited to card theft. A merchant might bill twice, charge the wrong amount, fail to deliver an order, send the wrong quantity, or deliver an order somewhere other than the location agreed upon.

Regulation Z’s billing-error rules cover several categories of problems with open-end credit accounts. One category includes charges for property or services that the consumer did not accept or that were not delivered as agreed. The CFPB’s official interpretation gives examples including different property than agreed, the wrong quantity, late delivery, and delivery to the wrong location.

For the formal billing-error process, the consumer’s written notice generally must reach the creditor no later than 60 days after the creditor transmitted the first periodic statement reflecting the alleged error. The notice must also contain enough information for the creditor to identify the account and understand the alleged problem.

Once a qualifying notice is received, the creditor generally must acknowledge it in writing within 30 days unless the matter has already been resolved, and complete the applicable resolution procedures within two complete billing cycles, but no later than 90 days.

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There is an important limit. Regulation Z expressly says this billing-error category does not cover a dispute merely about the quality of property or services that the consumer accepted. Whether the consumer legally accepted the goods can depend on state or other applicable law.

For example, a laptop that never arrives can fit the non-delivery framework more readily than a laptop that arrives as ordered but feels less premium than the buyer expected.

Credit cards also have a separate federal claims-and-defenses provision. Under Regulation Z’s claims-and-defenses rules, a cardholder can in qualifying circumstances assert certain merchant-related claims or defenses against the card issuer after the merchant fails to resolve the dispute satisfactorily.

That right has conditions and should not be presented as a universal guarantee. The regulation generally requires a good-faith effort to resolve the dispute with the merchant and includes transaction-value and geographic requirements. Its official interpretation also notes that internet orders can qualify as credit-card purchases, while the location of an internet or telephone transaction for the geographic condition can depend on state or other applicable law.

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For that reason, “you can always charge it back” is too broad. The applicable right depends on the type of dispute, the facts, the account, and the governing rules.

What About Debit Cards With Zero-Liability Policies?

Network and issuer policies can improve the protection available to debit-card users beyond the federal statutory minimum. They do not make Regulation E and Regulation Z identical.

For example, Visa’s current Zero Liability Policy says qualifying Visa credit and debit cardholders are not held responsible for unauthorized charges made with the account or account information. Visa states that the policy covers most credit and debit cards but excludes certain commercial-card and anonymous prepaid-card transactions and transactions not processed by Visa.

Visa also instructs cardholders to notify their issuing financial institution immediately and tells consumers to check with the issuer about coverage for a specific card.

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This creates two distinct layers. Federal law sets statutory rights and liability rules. A network or issuer can then provide contractual protections that are more favorable to the cardholder. A network policy should therefore be described as an additional protection, not as evidence that every debit card has identical rights or that statutory debit and credit protections are the same.

When Using a Debit Card Online Can Still Make Sense

A debit card can still be a reasonable choice when avoiding revolving debt is the higher financial priority. Debit purchases normally use money already held in the linked account rather than creating an ordinary credit-card balance.

The FTC notes that credit cards can charge interest when balances are carried from month to month. It also explains that on most cards, paying the whole bill by the due date can avoid purchase interest, although the exact account terms control.

Debit may therefore make sense for someone who does not have a credit card, prefers not to borrow, or knows that available credit tends to lead to balances that are difficult to repay. In that situation, it is particularly important to understand the bank’s reporting procedures, review account activity regularly, use available transaction alerts, and report suspicious transfers promptly.

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If you want to avoid conventional credit, consider other ways to pay online without a credit card and compare their fees, privacy implications and consumer protections.

How to Shop More Safely With Either Card

Choosing credit instead of debit does not make an untrustworthy merchant safe. Payment protections matter after something goes wrong, while merchant checks can reduce the chance of entering the transaction in the first place.

  • Check an unfamiliar seller before paying. Look for independent information about the business and search its name with terms such as “complaint” or “scam.”
  • Do not treat HTTPS as proof that a seller is legitimate. The FTC explains that HTTPS means the connection is encrypted, but fraudulent sites can use encryption too.
  • Keep transaction records. Save the order confirmation, price, promised delivery information, return or refund terms, and important communications with the seller.
  • Review account activity regularly. Detecting an unauthorized transaction sooner can make it easier to report within applicable deadlines.
  • Use transaction alerts when your issuer offers them. They can make unexpected activity easier to notice.
  • Report suspicious activity promptly. Follow the card issuer’s or financial institution’s stated reporting process rather than waiting to see whether another transaction appears.

The FTC’s online-shopping guidance specifically recommends paying by credit card when possible because of the protections available when a scam or covered purchase problem occurs. The FTC also recommends keeping purchase records and warns that an encrypted website is not necessarily legitimate.

How the card credentials themselves are exposed is a separate security question. Virtual card vs physical card for online shopping can be evaluated separately from the legal differences between debit and credit accounts.

Which option should you choose?

Credit Card

Choose this if: you want stronger federal protections for several online-purchase problems, want a disputed purchase separated from your checking-account balance, or are making a purchase where temporary loss of cash would create a serious inconvenience.

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Avoid this if: using available credit is likely to leave you carrying debt that you cannot comfortably repay.

Main trade-off: stronger payment protections come with the possibility of interest and revolving debt if the balance is carried.

Debit Card

Choose this if: avoiding borrowing is the higher priority, you understand your bank and network’s fraud policies, and you actively monitor the linked account.

Avoid this if: temporary loss of checking-account funds could interfere with essential bills or you are unlikely to notice and report unauthorized activity promptly.

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Main trade-off: you avoid ordinary revolving credit-card debt, but unauthorized transactions can directly affect available account funds while a dispute is being investigated.

For most U.S. shoppers who can use a credit card without carrying unaffordable debt, credit is the safer default for online purchases. Its advantage comes from federal unauthorized-use limits, specific billing-error protections for several merchant problems, and the practical separation between a disputed purchase and money held in checking.

Debit is not inherently unsafe. It simply makes rapid detection and reporting more consequential and exposes the linked account more directly when fraud occurs. Whichever card you use, verify unfamiliar sellers, keep transaction records, review account activity, and report suspicious transactions promptly.

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