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Bybit Detects and Stops Fake Deposits Saving Over 1B in DOT Funds

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Crypto Breaking News

Bybit blocked coordinated fake deposit attacks across multiple blockchains, saving over $1 billion in potential DOT losses. The exchange confirmed that no user funds were affected, as its monitoring systems identified and neutralized the threats in real time.

Advanced Attacks Target Deposit Systems

Bybit reported that attackers used complex transaction methods to simulate fake deposits. These methods targeted how exchanges track and confirm incoming funds. The attacks were carried out across several blockchain networks.

One method involved batch transactions. Attackers grouped multiple transfers into one operation. A large transfer failed, while smaller ones succeeded. Some systems may treat the full batch as successful.

Another method used multi-step transactions. Attackers changed ownership within the process. This created the appearance of incoming funds. However, there was no real balance increase.

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These tactics are designed to trick systems that rely on logs. They do not always reflect actual asset movement. Bybit stated that its systems avoided this issue by verifying real balances.

The exchange confirmed that all attempts were stopped in real time. No incorrect credits were issued. Users were not affected at any stage of the attacks.

Sources: Bybit Debuts Yield Generating Tokenized and Bybit Ramps Up Middle East.

Multi-Layer System Enables Real-Time Detection

Bybit uses a multi-layer validation system to monitor deposits. This system checks transactions at different levels. It ensures that only real asset movements are recorded.

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The first stage provides full on-chain visibility. Bybit scans blockchain data across supported networks, including complex and failed transactions.

The second stage filters transactions. It matches them with user deposit addresses. It also tracks related account structures.

The third stage focuses on validation. Each transaction is broken into smaller parts. These parts are verified independently. The system checks execution outcomes and transfer methods.

It also tracks ownership changes. This is important for networks like Solana. Balance checks confirm that assets have truly moved.

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The final stage uses anomaly detection. Transactions are analyzed based on structure and risk. Alerts are triggered for unusual patterns.

David Zong, Head of Group Risk Control and Security at Bybit, said, “Our system validates transactions at every level of execution.” He added that each operation is verified independently.

Ongoing Security Measures Across Crypto Platforms

Fake deposit attacks have existed in the crypto industry for years. Earlier cases include the Mt. Gox exploit and the Silk Road bug. These incidents led to large Bitcoin losses.

The recent attacks show how methods have evolved. Attackers now adapt to modern blockchain designs. They use more complex transaction flows.

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Bybit stated that its system is built to handle these changes. It focuses on transaction analysis and balance verification. Ownership tracking also plays a key role.

The exchange continues to improve its risk control systems. It aims to detect both known and new attack patterns. Real-time monitoring helps reduce risks across networks.

Bybit said its approach ensures that only valid deposits are credited. This reduces the chance of system manipulation. It also supports safer trading conditions for users.

The incident reflects ongoing efforts to secure crypto platforms. Exchanges continue to upgrade systems as attack methods change.

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Risk & affiliate notice: Crypto assets are volatile and capital is at risk. This article may contain affiliate links. Read full disclosure

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Morgan Stanley’s bitcoin ETF opens today, giving BlackRock’s $55 billion IBIT fund its toughest rival yet

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Morgan Stanley's bitcoin ETF opens today, giving BlackRock’s $55 billion IBIT fund its toughest rival yet

BlackRock’s most successful exchange-traded fund (ETF) is facing its clearest challenge yet, as Morgan Stanley rolls out a cheaper rival with direct access to trillions in client capital.

Morgan Stanley’s ETF, trading under MSBT, began trading Tuesday with a 0.14% expense ratio, below the iShares Bitcoin Trust’s (IBIT) 0.25%. The difference is narrow but lands in a market where price is one of the few levers investors can pull.

Each spot bitcoin ETF holds bitcoin and tracks its price. That leaves cost, liquidity and access as the main points of difference. IBIT has led on scale and trading activity since launch, becoming the most liquid vehicle for both shares and options tied to bitcoin ETFs with roughly $55 billion in assets-under-management.

That liquidity gives IBIT an edge that may be hard to replicate.

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“The launch will impact things but it will be interesting to see if it can actually siphon assets from other funds,” said James Seyffart, ETF analyst at Bloomberg Intelligence. “IBIT is the most liquid ETF for trading and in the options market and it’s unlikely MSBT will ever compete with that. At least not anytime remotely soon.”

Still, Morgan Stanley’s entry changes the competitive balance.

The bank can tap its vast wealth management network, where advisors can shift client allocations with a single trade. In practice, that means new demand may be directed toward MSBT rather than existing funds like IBIT.

“Distribution is king in the ETF space, and Morgan Stanley has that in spades with its army of wealth managers,” said Nate Geraci, president of the ETF Store. “Combined with MSBT being the lowest-cost spot bitcoin ETF on the market, that’s a strong recipe for success.”

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Geraci added that MSBT, which uses undercuts IBIT by 11 basis points, a gap large enough to draw attention from both investors and BlackRock.

IBIT’s position reflects how the market has evolved. Early inflows favored large, trusted issuers with deep liquidity. Over time, as more trusted names have entered the market, fee sensitivity has grown.

Morgan Stanley’s launch may speed up that shift, even if IBIT retains its lead in trading volume.

The result is a more defined split in the market. IBIT offers depth and liquidity for active traders.

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Newer entrants like MSBT compete on cost and distribution. Morgan Stanley’s wealth management arm oversees trillions in client assets and has one of the largest adviser networks in the industry, giving the bank a steep advantage. As more capital moves through financial advisors rather than direct trading, that channel may carry increasing weight.

For now, IBIT remains the benchmark. But with fees falling and new entrants targeting its position, its grip on flows may face its first sustained test.

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South Korea Tightens Crypto Withdrawal Delay Exemptions

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South Korea Tightens Crypto Withdrawal Delay Exemptions

South Korea’s financial regulator said it will tighten the exception rules under crypto exchanges’ withdrawal-delay system after finding that scam-linked accounts granted exemptions accounted for most voice-phishing-related losses. 

The Financial Services Commission (FSC) said Wednesday that the strengthened framework, developed with the Financial Supervisory Service (FSS) and the Digital Asset eXchange Alliance (DAXA), will impose unified standards on when users can bypass withdrawal delays. 

The regulator said exchanges had been applying their own exception criteria with no clear minimum standard, creating loopholes that let bad actors quickly move funds if they meet easy requirements such as account age or trading history. 

From June to September 2025, accounts granted withdrawal-delay exemptions made up 59% of fraudulent accounts and 75.5% of related losses at crypto exchanges, the FSC said.

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The move follows a wider South Korean push to tighten crypto exchange controls after voice-phishing abuse and operational-control failures, including fresh reforms announced this week after Bithumb’s Bitcoin (BTC) payout error.

Transfer route and protection device for voice phishing damage through virtual assets, translated to English. Source: FSC

Unified rules aim to curb misuse of withdrawal-delay exemptions

The FSC said that under the new rules, exchanges must assess factors like trading frequency, account history and deposit and withdrawal amounts when determining whether a user qualifies for a withdrawal-delay exemption. 

The regulator said the change is expected to reduce the number of users eligible for exemptions sharply. The FSC said a simulation showed the share of users eligible for exemptions would fall to around 1% under the new rules, but did not provide a baseline for comparison.

Related: South Korean brokerage Korea Investment & Securities eyes Coinone stake: Report

The FSC said it will also strengthen oversight of users granted exemptions through periodic checks, including verification of the source of funds, and by building systems to monitor suspicious withdrawal activity. 

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The regulator added that they will continue reviewing the rules to prevent new circumvention methods and adjust as needed. 

The move adds to a broader push by South Korean regulators to tighten oversight of crypto exchanges following recent incidents. 

On Tuesday, the FSC ordered exchanges to reconcile internal ledgers with actual asset holdings every five minutes after an inspection linked to the Bithumb payout error found gaps in internal controls and risk management systems.

On Jan. 29, South Korea expanded crypto licensing scrutiny to cover exchanges and major shareholders. 

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Magazine: ‘Phantom Bitcoin’ checks, Drift hack linked to North Korea: Asia Express