Demand for US spot Bitcoin exchange-traded funds (ETFs) surged this week, according to Bloomberg ETF analyst Eric Balchunas, reviving a narrative that had gone quiet after months of more inconsistent buying. At the same time, a recent security incident tied to Coldcard has put crypto self-custody back under the spotlight—an issue that some ETF investors may be weighing more carefully.

Balchunas said Saturday that the spot Bitcoin ETFs pulled in roughly $1 billion in net inflows for the week. He described it as the funds’ strongest performance since April and the third-best week since last October, when he referred to the phenomenon as Bitcoin’s “silent IPO.”

Key takeaways

• Bloomberg ETF analyst Eric Balchunas reports about $1 billion in weekly net inflows for US spot Bitcoin ETFs, the strongest since April.
• Balchunas framed the earlier October period as Bitcoin’s “silent IPO,” suggesting ETFs can pull in institutional-style demand without obvious market fanfare.
• A widely discussed Coldcard hardware wallet hack—connected to about $116 million stolen—has reignited concerns around the security burdens of self-custody.
• Balchunas said the hack could support the case for spot ETFs among investors wary of technical custody responsibilities, though he stressed the link is not proven.

Spot ETF inflows rebound after a softer stretch

The renewed buying matters because it helps clarify what has been happening beneath the surface of Bitcoin’s price action. Even when new capital enters through ETFs, the relationship to spot market momentum can be muted if supply is being sold off concurrently—something that investors have been trying to explain over recent months.

Balchunas tied this week’s momentum to the contrast with prior periods. In his view, earlier demand dynamics contributed to a broader “changing of the guard,” where earlier Bitcoin holders increasingly monetized positions as ETF and other institutional inflows grew. He linked this to the term popularized by investor Jordi Visser in November: Bitcoin’s “silent IPO.”

The phrase captures an idea that the ETF ramp behaves less like a noisy retail mania and more like a steady institutional distribution channel—keeping Bitcoin from reacting dramatically while significant flows accumulate.

In that context, the standout feature of this week is not simply that inflows turned positive, but that they represent the strongest showing since April and rank among the best weekly results since last October. That suggests the ETF pipeline is capable of re-accelerating, even if the broader period has been uneven.

Coldcard hack revives the self-custody debate

While ETF flows grabbed attention, the week’s backdrop included a major security incident involving Coldcard, a Bitcoin hardware wallet from Coinkite. The exploit is reported to have led to the theft of roughly $116 million worth of Bitcoin, according to prior reporting that connected the theft to a vulnerability in how affected devices generated wallet keys. Attackers allegedly compromised funds by targeting wallets created using vulnerable firmware.

On Friday, Balchunas suggested the aftermath could influence investor behavior. In a discussion carried in a separate report, he argued that the security and technical responsibilities of self-custody may push some investors toward spot Bitcoin ETFs, particularly those who prefer to outsource custody and operational risk to traditional market structures.

Crucially, Balchunas framed the potential connection as speculative. He acknowledged that correlation does not prove causation. Still, he said, “long-term I can’t imagine there aren’t some who migrate over,” implying that even partial behavioral shifts—if they occur—could show up in ETF demand over time.

What investors should watch: flows, behavior, and persistence

This is where the story becomes more than a one-week data point. ETF inflows are typically driven by a mix of institutional allocation patterns, advisor workflows, and broader risk appetite. A temporary rebound can happen without signaling a structural turn. However, Balchunas’s framing of both the “silent IPO” period and the current resurgence suggests he believes the market is cycling between phases of strong demand and quieter distribution.

For traders and long-term allocators, the practical question is whether this week’s improvement marks a continuation or a rebound followed by another slowdown. The “strongest since April” and “third-best week since last October” descriptors indicate a meaningful spike relative to recent history, but the durability of that spike will depend on whether ongoing capital inflow stays steady.

Meanwhile, the Coldcard incident adds a different kind of variable: perceived operational risk. Hardware wallets are widely used precisely because they reduce exposure to exchange custody failures, but high-profile vulnerabilities can change how comfortable some investors feel handling keys themselves. Balchunas’s argument is that—over time—investors uncomfortable with custody mechanics may consider ETFs a simpler alternative.

Yet, it’s also possible that self-custody concerns are already priced into broader behavior, meaning the effect on ETF demand may be gradual rather than immediate. That makes future inflow trends the key test: if inflows keep outperforming earlier weeks consistently, the market impact of custody-related security narratives could become clearer.

Read together, the two threads—ETF demand rebounding and custody concerns resurfacing—underline a single theme: Bitcoin’s access channels are still evolving. Spot ETFs offer a regulated wrapper, while self-custody remains the route for those who want direct key control. The next phase will likely hinge on how quickly investors shift between those modes and whether ETF inflows sustain at elevated levels beyond this week.

Demand for US spot Bitcoin exchange-traded funds (ETFs) rebounded sharply this week, signaling renewed investor appetite after months of uneven flows, even as uncertainty persists around digital asset regulation and the security of crypto self-custody.

On Saturday, Bloomberg ETF analyst Eric Balchunas said the spot funds attracted roughly $1 billion in net inflows for the week, their strongest showing since April and third-best week since last October — a period he referred to as Bitcoin’s “silent IPO.”

Source: Eric Balchunas

The term was popularized by investor Jordi Visser in November to describe what he viewed as a changing of the guard among Bitcoin holders. Under the theory, early investors were selling into growing demand from ETFs and other institutional buyers, creating enough supply to keep Bitcoin subdued despite substantial new capital entering the market.

That distribution coincided with a deterioration in ETF flows compared with earlier periods of stronger demand, making this week’s rebound particularly notable.

Related: Bitcoin miners’ AI pivot loses Wall Street’s wow factor

Coldcard hack puts self-custody in focus

The rebound has also followed a major security incident involving Coldcard, a popular Bitcoin hardware wallet developed by Coinkite, that resulted in roughly $116 million worth of Bitcoin being stolen. The exploit was linked to a flaw in how affected devices generated wallet keys, allowing attackers to compromise funds held in wallets created using vulnerable firmware.

On Friday, Balchunas suggested the incident could ultimately strengthen the appeal of spot Bitcoin ETFs among investors who are uncomfortable with the technical and security responsibilities associated with self-custody. He pointed to the surge in ETF inflows following the hack as a potential, though unproven, link.

While acknowledging that correlation does not imply causation, Balchunas said, “long-term I can’t imagine there aren’t some who migrate over,” referring to investors potentially shifting from cold storage to ETFs.

Magazine: Do the Coldcard attacks mean all hardware wallets are now insecure?

Cointelegraph is committed to independent, transparent journalism. This news article is produced in accordance with Cointelegraph’s Editorial Policy and aims to provide accurate and timely information. Readers are encouraged to verify information independently.

Demand for US spot Bitcoin exchange-traded funds (ETFs) rebounded sharply this week, signaling renewed investor appetite after months of uneven flows, even as uncertainty persists around digital asset regulation and the security of crypto self-custody.

On Saturday, Bloomberg ETF analyst Eric Balchunas said the spot funds attracted roughly $1 billion in net inflows for the week, their strongest showing since April and third-best week since last October — a period he referred to as Bitcoin’s “silent IPO.”

Source: Eric Balchunas

The term was popularized by investor Jordi Visser in November to describe what he viewed as a changing of the guard among Bitcoin holders. Under the theory, early investors were selling into growing demand from ETFs and other institutional buyers, creating enough supply to keep Bitcoin subdued despite substantial new capital entering the market.

That distribution coincided with a deterioration in ETF flows compared with earlier periods of stronger demand, making this week’s rebound particularly notable.

Related: Bitcoin miners’ AI pivot loses Wall Street’s wow factor

Coldcard hack puts self-custody in focus

The rebound has also followed a major security incident involving Coldcard, a popular Bitcoin hardware wallet developed by Coinkite, that resulted in roughly $116 million worth of Bitcoin being stolen. The exploit was linked to a flaw in how affected devices generated wallet keys, allowing attackers to compromise funds held in wallets created using vulnerable firmware.

On Friday, Balchunas suggested the incident could ultimately strengthen the appeal of spot Bitcoin ETFs among investors who are uncomfortable with the technical and security responsibilities associated with self-custody. He pointed to the surge in ETF inflows following the hack as a potential, though unproven, link.

While acknowledging that correlation does not imply causation, Balchunas said, “long-term I can’t imagine there aren’t some who migrate over,” referring to investors potentially shifting from cold storage to ETFs.

Magazine: Do the Coldcard attacks mean all hardware wallets are now insecure?

Cointelegraph is committed to independent, transparent journalism. This news article is produced in accordance with Cointelegraph’s Editorial Policy and aims to provide accurate and timely information. Readers are encouraged to verify information independently.

US Senate Majority Leader John Thune has filed cloture on a motion to bring the Digital Asset Market Clarity Act—commonly referred to as the CLARITY Act—to the Senate floor, setting up a procedural vote that is expected after the chamber reconvenes. The move is intended to restart momentum for one of the most closely watched pieces of pending US crypto legislation and could shape how lawmakers debate digital asset regulation in the coming months.

According to the Senate Daily Press, Thune’s filing follows failed efforts to reach a deal ahead of the August recess. The Senate is expected to reconvene on Sept. 15, giving negotiators additional weeks to resolve open disputes before the Senate votes on whether to advance the bill for consideration.

Key takeaways

• Thune filed cloture on the motion to take up the CLARITY Act, with a procedural vote expected after the Senate returns on Sept. 15.
• Cloture requires 60 votes, meaning Republicans likely need at least some Democratic support to clear the procedural hurdle.
• The cloture vote is about advancing the bill for consideration, not about final passage of the CLARITY Act.
• Negotiations have stalled over ethics provisions and rules tied to stablecoin rewards, among other issues.
• Lawmakers have reportedly explored a bipartisan ethics addendum linked to the president’s crypto-related financial interests.

A procedural step toward Senate debate

The Senate Daily Press confirmed that Thune filed cloture, a mechanism that sets up a vote to end debate and allow the Senate to move toward taking up legislation. Because cloture requires 60 votes, the outcome will serve as an early test of whether the CLARITY Act can attract cross-party backing beyond its Republican sponsors.

Even if the procedural vote succeeds, it would not mean the bill is guaranteed to pass. As the filing’s purpose indicates, cloture addresses whether the Senate will consider the legislation, rather than whether it will ultimately approve it.

What the CLARITY Act would change

The CLARITY Act is widely regarded as a landmark framework for US crypto regulation. If enacted, it would aim to establish a federal market structure for digital assets and clarify how US federal oversight should apply across different categories of tokens.

In particular, the bill is intended to delineate when crypto assets are treated as securities versus when they are treated as commodities, along with clarifying the respective roles of the Securities and Exchange Commission (SEC) and the Commodity Futures Trading Commission (CFTC). For market participants, that distinction matters because securities and commodities oversight can lead to very different compliance expectations, enforcement priorities, and product approvals.

Why negotiations stalled before the August recess

While the Senate has the CLARITY Act on its agenda, the effort to bring it to the floor has been complicated by policy disagreements. The most prominent sticking point has involved ethics provisions designed to restrict government officials and their families from issuing or profiting from digital assets while in office.

Separate from the ethics debate, negotiations have also reportedly been complicated by disagreements over rules governing stablecoin rewards. Those disputes have helped explain why lawmakers were unable to finalize a package before the August recess and instead pushed unresolved issues into the post-recess window.

Thune’s cloture filing suggests Senate leaders believe the bill can move forward procedurally even as some substantive disagreements remain—at least long enough for lawmakers to debate the remaining differences on the record.

An ethics addendum aimed at the president’s interests

To address the impasse, lawmakers have reportedly worked on a bipartisan ethics addendum intended to meet Democratic concerns connected to President Donald Trump’s crypto-related financial interests. Earlier coverage from Cointelegraph noted that negotiations included efforts to shape an addendum that could provide ethics guardrails acceptable to both parties.

According to a report by Bloomberg referenced in that earlier coverage, the proposal would require the president to divest from certain crypto-related businesses. Separately, a post by Eleanor Terrett shared context around the cloture filing, underscoring that the Senate process is advancing again but that major policy questions remain.

For investors and crypto industry participants, the practical importance of these ethics terms is that they can determine whether the bill gains the cross-party support needed to survive procedural hurdles. If ethics provisions remain contentious, the Senate could see additional delays even after cloture is filed.

What to watch next

With the Senate expected to reconvene on Sept. 15, the immediate focus will be whether Republicans can secure the 60 votes necessary for cloture and whether negotiators can narrow remaining disagreements—particularly around ethics and stablecoin reward rules—before any final consideration vote. Even after cloture, the CLARITY Act’s path to passage remains uncertain, so market participants should watch for how the text changes between procedural motion and any subsequent Senate floor action.

Brazil’s central bank will require crypto exchanges to delay some customer transfers to foreign platforms and self-custody wallets for up to 24 hours as part of new anti-fraud rules.

The requirement takes effect Jan. 1, 2027 under Resolution BCB No. 584/2026, published Aug. 7.

The rule applies when a customer deposits the country’s fiat currency reais, or crypto with an exchange and then seeks to send the funds abroad or to a wallet they control.

Transfers exceeding the equivalent of $10,000, whether through a single transaction or several on the same day, are subject to the required hold. Smaller transfers may also face delays if an exchange flags them as risky.

The central bank said cryptocurrencies, including stablecoins, are being used to move funds obtained through financial fraud before victims or institutions can recover them.

The hold isn’t permanent. Exchanges can release a transfer before 24 hours if their risk review finds no signs of wrongdoing. They must document that decision and tell customers when a transaction has been placed on hold.

The measure also gives exchanges more responsibility for judging risk based on the customer, transaction, counterparty and destination jurisdiction.

US Senate Majority Leader John Thune has filed cloture on a motion to take up the Digital Asset Market Clarity Act, also known as the CLARITY Act, setting up a key procedural vote on the crypto market structure bill for Sept. 15.

The vote is expected after the Senate reconvenes at 2:15 pm ET on Sept. 15, giving lawmakers several more weeks to work through unresolved disagreements over the legislation.

The Senate Daily Press confirmed that Thune filed cloture on the motion to bring the CLARITY Act to the Senate floor for consideration. Invoking cloture on the motion requires 60 votes, meaning Republicans will need Democratic support to clear the procedural hurdle and move toward consideration of the bill.

Thune’s move puts the CLARITY Act on a path toward Senate consideration after lawmakers failed to reach an agreement before the August recess. Negotiations have been complicated by disagreements over ethics provisions and rules governing stablecoin rewards, among other issues.

Source: Eleanor Terrett

While the move marks progress for the legislation, it does not guarantee that the CLARITY Act will receive a final vote or pass the Senate. The cloture vote concerns whether to take up the legislation for consideration, rather than passage of the bill itself.

The CLARITY Act is considered a landmark piece of US crypto legislation that would establish a federal market structure for digital assets, clarify when crypto assets fall under securities or commodities laws and delineate oversight responsibilities between the Securities and Exchange Commission and the Commodity Futures Trading Commission.

Until now, negotiations have stalled over proposed ethics provisions that would restrict government officials and their families from issuing or profiting from digital assets while in office.

In an effort to break that impasse, lawmakers have been reportedly working on a bipartisan ethics addendum aimed at addressing Democratic concerns over President Donald Trump’s crypto-related financial interests. As Bloomberg reported Thursday, the proposal would require the president to divest from certain crypto-related businesses.

Magazine: CLARITY hopes fade, BitMEX shuts as lawsuit looms: Hodler’s Digest, July 26

Cointelegraph is committed to independent, transparent journalism. This news article is produced in accordance with Cointelegraph’s Editorial Policy and aims to provide accurate and timely information. Readers are encouraged to verify information independently.