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Beosin Report: Crypto Rug Pulls Surpass DeFi Exploits in May

Markets·June 03, 2023, 6:32 AM

According to a recent report by blockchain security firm Beosin, losses from “rug pulls” or “exit scams” in the cryptocurrency space exceeded the amount stolen from decentralized finance (DeFi) projects during the month of May.

The report, published on June 1 by Beosin Blockchain Security, revealed that rug pulls and scams resulted in losses of over $45 million across six incidents during the month. Beosin is headquartered in Chengdu, in China’s Sichuan province. The firm uses formal verification methods to secure smart contracts.

In general there were 22 security incidents in the digital assets space over the course of the month. That overall figure accounts for losses totaling $20 million, and represents a vast improvement on the previous month.

Three of the incidents were accounted for by security issues related to hardware wallets such as the Trezor and imKey wallets. Six were rug pulls/crypto scams, two were crypto crime incidents while another implicated a critical vulnerability relative to zero-knowledge proof technology.

Photo by Tara Winstead on Pexels

 

DeFi protocol attacks

In contrast, there were 10 attacks on DeFi protocols, amounting to $19.7 million in stolen funds. This figure represents a significant decrease of nearly 80% compared to April, and the losses from these types of exploits had been declining for two consecutive months, as per Beosin’s findings.

The largest rug pull incident in May involved the alleged disappearance of $32 million associated with the crypto project Fintoch on May 24. Meanwhile, the largest attack on a DeFi platform was a $7.5 million breach targeting Jimbos protocol, according to Beosin’s report.

 

Shifting hacker strategy

Beosin noted a shift in the targeting strategy of hackers and scammers, who are now increasingly focusing their attacks on ordinary users rather than various project parties. To mitigate risks, the report recommended that crypto users enhance their anti-fraud awareness, conduct thorough due diligence before investing in projects, and learn how to improve the security of their digital assets.

The report also issued a warning against using shared or public charging devices for mobile phones. Beosin highlighted the potential risks associated with these devices, as they could be manipulated to inject malicious programs that compromise private keys. This caution aligns with a similar advisory issued by the United States Federal Bureau of Investigation (FBI) in April.

The FBI’s Denver office cautioned against using public USB ports, including those found at airports, due to the potential introduction of malware and monitoring software onto devices. Instead, they suggested carrying a personal charger and USB cord for use with electrical outlets.

As the cryptocurrency landscape continues to evolve, it is crucial for users to remain vigilant and proactive in safeguarding their investments. With the rise of rug pulls and the ongoing threats in the DeFi space, staying informed, exercising caution, and adopting robust security measures are essential for protecting one’s digital assets in this rapidly changing industry.

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Policy & Regulation·

Aug 02, 2023

3AC Co-Founder Disputes US Jurisdiction Citing Singaporean Citizenship

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Web3 & Enterprise·

May 08, 2023

Japan’s Hokkoku Bank to Launch Local Digital Currency in Summer

Japan’s Hokkoku Bank to Launch Local Digital Currency in SummerEarlier this month, Hokkoku Bank, a Kanazawa-based bank in Japan, announced its collaboration with Suzu City, local community-based credit union Kono Shinkin Bank, and blockchain service provider Digital Platformer to launch a local digital currency in Suzu, Ishikawa Prefecture this summer, according to CNET Japan.Promoting cashless transactionsThe digital payment system aims to promote cashless transactions in the local area and digitize Suzu’s customer rewards program, enhancing capital flow and productivity. The local digital currency service for citizens, Suzu Tochituka, and the retail customer rewards program, Suzu Tochipo, are set to launch in the summer of 2023.By winter 2023, Hokkoku Bank plans to issue the stablecoin Suzu Tochika for use within Suzu. Retail stores will be charged a 0.5% fee for transactions made with Suzu Tochika.Photo by Ivan Samkov on PexelsFrom city to prefectureFollowing its services in Suzu, Hokkoku Bank intends to form an alliance with towns in Ishikawa and leverage blockchain interoperability to introduce Ishikawa Tochika, a digital currency for use across the entire prefecture. This project’s goal is to establish a payment system that encompasses all financial institutions. In Suzu and Okunoto, both Kono Shinkin Bank and Hokkoku Bank will cooperate to distribute and promote the payment system.Other regionsTowns and local financial institutions in other regions are also committed to collaborating on local digital currency promotion to enhance residents’ convenience, streamline administrative work, and boost productivity. To ensure security, Digital Platformer’s new blockchain-powered payment system Shiki will record and manage transaction data, offering high traceability and protection against forgery and counterfeit.

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Policy & Regulation·

Dec 02, 2025

Japan eyes crypto tax reform as macro headwinds pressure digital asset markets

The Japanese government and ruling coalition have begun coordinating plans to introduce a flat 20% separate tax on cryptocurrency gains, based on a Dec. 1 report by Nikkei cited by CoinDesk Japan. The change is expected to be reflected in the 2026 tax reform outline.Photo by Nataliya Vaitkevich on PexelsLower crypto taxes, aligned with stocksUnder the proposal, income from crypto trading would be taxed in line with traditional financial instruments such as stocks. This would mark a notable decrease from the current regime, under which cryptocurrency gains are treated in principle as miscellaneous income, combined with salary and other earnings, and taxed on a comprehensive basis at rates that can climb to around 55% including local taxes. Policymakers are reportedly treating the move toward separate taxation as contingent on the establishment of a stronger investor-protection framework through tighter regulation. The planned reforms are also seen as potentially laying the groundwork for the eventual domestic approval of exchange-traded funds (ETFs) backed by crypto assets. Market pullback deepens on policy signalsThe more favorable tax outlook for investors came against a weaker market backdrop. According to CoinMarketCap, the total crypto market capitalization declined about 1.73% over the past 24 hours, extending a pullback that followed recent communications from the central banks of Japan and China. In a Dec. 1 report by Reuters, Bank of Japan (BOJ) Governor Kazuo Ueda indicated that the central bank intended to consider the possibility of an interest-rate increase at its next policy meeting. His comments are interpreted as suggesting a potential shift toward higher rates in December, prompting concern that yen-funded carry trades could begin to be unwound. Such trades typically involve borrowing yen at low interest rates to invest in higher-yielding assets, and their reversal can create pressure on broader asset markets. In a separate weekend statement, the People’s Bank of China (PBOC) restated that digital asset trading remains illegal in China and highlighted what it described as a renewed pickup in speculative crypto activity. The central bank also singled out stablecoins as a source of risk, pointing to concerns about fraud, money laundering, and unauthorized cross-border capital flows that could undermine Beijing’s efforts to maintain capital controls. Against this policy backdrop, major cryptocurrencies moved in mixed directions. Over the past 24 hours, Bitcoin inched up around 1.02%, Ethereum declined about 0.86%, and XRP fell roughly 0.9%. Analysts split amid weak market activityAnalysts and market commentators continued to diverge on the implications of the latest pullback. Veteran trader Peter Brandt suggested on X that Bitcoin may be entering a deeper corrective phase similar to those seen in past bull markets. He cited historical instances of “exponential decay” and suggested the price could retrace toward $50,000 before potentially advancing to the $200,000–$250,000 range in the next rally cycle. Author Robert Kiyosaki, known for “Rich Dad Poor Dad,” reiterated his preference for assets such as gold, silver, Bitcoin, and Ethereum in a Nov. 29 post on X, linking this stance to his view that the Japanese carry trade had effectively run its course. Roughly a week before that message, he had disclosed selling about $2.25 million worth of Bitcoin at around $90,000 per coin, noting that his initial purchase price had been close to $6,000. By contrast, long-time Bitcoin critic Peter Schiff continued to argue in favor of precious metals. He contended that gold derives inherent value from industrial and commercial uses tied to its physical properties, including conductivity, ease of shaping, and resistance to corrosion, while maintaining that Bitcoin lacks practical utility and instead depends on investor belief. SwanDesk CEO Jacob King, another skeptic of the asset, offered an even more pessimistic assessment. He said he did not expect Bitcoin to revisit its previous all-time high and characterized the current decline as the final bear market before the asset ultimately fades from relevance. Shorter-term indicators have reinforced expectations for muted trading conditions. According to CNBC, Grayscale Head of Research Zach Pandl pointed to a decline in open interest for perpetual futures, interpreting it as a sign of reduced speculative positioning and leverage. He also highlighted relatively subdued trading volumes on both centralized and decentralized exchanges, suggesting that near-term market activity is likely to remain restrained. 

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