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fraud

Bybit releases 2025 security milestone: intercepts fraudulent funds of up to $300 million with a new AI-driven risk framework

The world's second-largest cryptocurrency exchange by trading volume, Bybit, today officially announced the comprehensive results of its 2025 Security Initiative. Bybit has built an industry-leading multi-layer defense architecture, successfully protecting the safety of tens of thousands of users and setting a new benchmark for proactive risk control in the digital asset space. According to a report by Chainalysis, global cryptocurrency losses due to scams and fraud reached as high as $17 billion in 2025.Redefining Industry Standards: Three-Tier Withdrawal Fraud Defense FrameworkTo break through the limitations of traditional post-event remediation in risk control, Bybit has pioneered a dynamic risk grading protection system that intervenes proactively before financial losses occur. This system categorizes potential fraud scenarios into three risk levels, each matched with differentiated response strategies—ensuring user withdrawal safety while maintaining a smooth trading experience on the platform.Level 1: Early Warning (Low Risk)Leveraging big data heuristic algorithms to identify abnormal behavior patterns (e.g., large withdrawals concentrated to a single new address), Bybit automatically triggers a risk questionnaire survey. Relevant insights assist the risk control operations team in blacklisting high-risk addresses in advance, achieving source interception.Level 2: Real-Time Warning (Medium Risk)When an account is flagged due to database breaches (cross-referencing external network leak data) or associated with suspicious withdrawal addresses, Bybit will trigger a real-time pop-up reminder during the withdrawal process. This mechanism guides users to pause operations and review transaction details, effectively resisting social engineering attacks that rely on urgency or emotional pressure.Level 3: Instant Interception + Cooling-Off Period (High Risk)For wallet addresses confirmed to be involved in fraud (including so-called "pig-butchering" investment scams), Bybit implements real-time withdrawal interception and enforces a 1-hour cooling-off period mechanism. This critical time window provides users with essential assurance to regain rational judgment and verify the authenticity of transactions.Overview of 2025 Achievements and Core DataThe measures implemented in the fourth quarter of 2025 have brought breakthrough results in user safety protection:Q4 Fraudulent Fund Interception and Recovery: Bybit successfully intercepted and recovered $300 million through proactive reminders, safeguarding the life savings of over 4,000 users;Q4 AI-Driven Risk Identification: Bybit's self-developed AI algorithm accurately identified 350 high-risk investment scam addresses through on-chain data analysis, helping 8,000 users avoid potential withdrawal losses;2025 Annual Infrastructure Resilience: The platform successfully withstood over 3 million hacker database breach (account hijacking) attacks;Q4 On-Chain Proactive Monitoring: The system automatically flagged 350 risk addresses, and the ticket operations team manually reviewed and marked 600 addresses, cumulatively avoiding nearly $1 million in immediate fraud losses.Co-Building a Safe Ecosystem: Industry Collaboration and Government-Enterprise LinkageBybit firmly believes that safety should not be a competitive barrier but a shared responsibility across the industry. The strategic focus for 2025 is on deep integration of external intelligence:"In 2025, our mission is to upgrade the risk control system from a 'silent shield' to a proactive, intelligent safety guardian," said David Zong, Head of Risk Control at Bybit Group. "By deeply integrating AI-driven on-chain monitoring with real-time intelligence from industry partners like TRM, Elliptic, and Chainalysis, we not only protect Bybit users but also help map the 'genetic blueprint' of fraud networks. We are opening and sharing these standardized monitoring clues across the entire ecosystem—because the safety of the industry begins with the safety of each participant."

The U.S. prosecution has applied to confiscate $327,000 in USDT, related to a "pig butchering" cryptocurrency fraud case

The U.S. Attorney's Office for the District of Massachusetts recently filed a civil forfeiture lawsuit seeking to recover 327,829.720952 USDT (approximately $327,000), which is allegedly related to a cryptocurrency scam conducted through a dating app.Prosecutors stated that the investigation began in the fall of 2024 when authorities discovered that a Massachusetts resident was suspected of being involved in a "romance scam." The suspect, using the name "Linda Brown," claimed to have a cryptocurrency investment opportunity after establishing a relationship with the victim for several weeks, leading the victim to transfer funds. Prosecutors claimed that the suspect used "legitimate investment" as a guise to trick the victim into transferring funds to a wallet address controlled by the suspect or an accomplice. The victim only realized the investment was a scam after failing to withdraw funds.Law enforcement noted that the stolen funds were transferred through multiple cryptocurrency wallets, then converted to USDT, and ultimately used for money laundering transactions. At the time of this case, U.S. regulators are intensifying warnings about "romance-related cryptocurrency scams." Previously, the U.S. Attorney's Office for the Southern District of Ohio issued a reminder titled "Cupid Doesn't Ask for Crypto" ahead of Valentine's Day, warning the public to be cautious of romance investment scams conducted through social media and instant messaging platforms.

Uniswap's motion to dismiss the class action lawsuit over fraudulent tokens was fully granted, with the court ruling that the platform is not responsible for third-party actions

A U.S. federal judge ruled to dismiss the remaining state law claims against Uniswap Labs and its founder Hayden Adams, ending a years-long class action lawsuit.The plaintiffs attempted to hold the platform liable for losses incurred from "scam tokens" traded on the Uniswap protocol. Judge Katherine Polk Failla of the Southern District of New York issued the ruling on Monday, dismissing the plaintiffs' second amended complaint "with prejudice," stating that the plaintiffs failed to present a viable legal claim. The court noted that the plaintiffs had multiple opportunities to amend their complaint but still could not demonstrate that Uniswap was responsible for the misconduct of unnamed third-party token issuers.The plaintiffs claimed to have suffered losses due to actions such as "rug pulls" and "pump-and-dump" schemes, arguing that Uniswap "aided fraud" by providing a platform for buyers and sellers to trade. However, the court clearly stated that merely providing a decentralized trading platform does not constitute "substantial assistance" to fraudulent activities. Judge Failla reiterated her previous view that holding developers of smart contract code responsible for the abusive actions of third parties on decentralized platforms is "logically difficult to sustain."The case was initially filed in 2022 and originally included federal securities law claims. The related securities claims were dismissed in 2023, and the Second Circuit Court of Appeals upheld that ruling, remanding the remaining state law claims to the district court for consideration. This ruling signifies the formal conclusion of the case and further tightens the boundaries of state law liability for DeFi platform developers.

Data: Losses from fraud cases in the cryptocurrency sector reached $370 million in January, hitting a nearly 11-month high

According to FinanceFeeds, Uniswap founder Hayden Adams has warned that search engine ads impersonating Uniswap continue to appear, resulting in users losing all their high-value crypto assets. Scammers purchase ads for keywords like "Uniswap" to place fake websites at the top of search results, with designs that closely resemble the official site. Once users connect their wallets and authorize transactions, their funds can be immediately transferred away.These types of attacks rely on user signature authorization rather than protocol-level vulnerabilities. An X platform user "Ika" reported losing crypto wallet assets worth hundreds of thousands of dollars after clicking on a fake link in the search results. Screenshots he disclosed show that the fake link was at the top of the search results, making it highly misleading. Similar incidents occurred in October 2024, where scammers replicated the Uniswap website interface and induced users to connect their wallets through subtle button changes.Data from security firm CertiK indicates that in January 2026, the crypto industry lost approximately $370.3 million due to exploits and scams, marking a nearly 11-month high and nearly four times the losses of January 2025. One single social engineering attack resulted in losses of about $284 million. A total of 40 related security incidents were recorded in January. Analysis points out that current crypto asset losses are increasingly stemming from phishing links, false ads, and social engineering attacks, rather than underlying smart contract vulnerabilities. As the DeFi ecosystem expands, brand impersonation and interface fraud are becoming significant risks affecting user trust.

A man was sentenced to 20 years in prison for his involvement in a $73 million cryptocurrency investment fraud case

The U.S. Department of Justice announced that a man named Daren Li, who holds dual citizenship in China and Saint Kitts and Nevis, was sentenced in absentia to the maximum statutory sentence of 20 years in prison, along with 3 years of supervised release, by the U.S. District Court for the Central District of California on February 9 local time, for his involvement in a global cryptocurrency investment fraud scheme involving over $73 million.The Department of Justice stated that the 42-year-old Li pleaded guilty in November 2024, admitting to participating in a transnational cryptocurrency investment fraud and money laundering conspiracy operating from a scam hub in Cambodia. However, he fled after cutting off his electronic ankle monitor in December 2025 and is currently still at large.Prosecutors revealed that the fraud ring actively contacted victims through social media, phone calls, text messages, and online dating platforms to establish "professional or romantic relationships" to gain trust, and used fake cryptocurrency trading platforms and phishing websites to lure victims into investing in false projects. In some cases, they also impersonated customer service or technical support personnel, deceiving victims into transferring funds or moving cryptocurrency assets under the pretext of "fixing viruses."According to the plea agreement, Li and his accomplices caused at least $73.6 million in victim fund losses, of which $59.8 million was laundered through U.S. shell company accounts and further converted into cryptocurrency to conceal the sources and flows of the funds. Li was found to have directly participated in the final receipt and control of the victim funds.So far, 8 accomplices have pleaded guilty, and Li is the first defendant to be sentenced for directly receiving the illicit funds. The case is being investigated by the U.S. Secret Service with assistance from law enforcement agencies in multiple countries. The U.S. Department of Justice stated that it will continue to promote international cooperation in an effort to extradite Li back to the U.S. to serve his sentence.
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