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SushiSwap approval bug leads to $3.3M exploit

A bug on a smart contract on the decentralized finance protocol SushiSwap led to over $3 million in losses in the early hours of April 9. 

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A bug on a smart contract on the decentralized finance protocol SushiSwap led to over $3 million in losses in the early hours of April 9. 

Blockchain security companies CertiK Alert and Peckshield posted about an unusual activity related to the approval function in Sushi’s Router Processor 2 contract — a smart contract that aggregates trade liquidity from multiple sources and identifies the most favourable price for swapping coins. Within a few hours, the bug led to losses of $3.3 million.

Sushi’s head developer, Jared Grey, urged users to revoke permissions for all contracts on the protocol. “Sushi’s RouteProcessor2 contract has an approval bug; please revoke approval ASAP. We’re working with security teams to mitigate the issue,” he said. A list of contracts on GitHub with different blockchains requiring revocation has been created to address the problem.

The Sushi community has had an intense weekend. On April 8, Grey and his counsel provided comments on the recent subpoena from the United States Securities and Exchange Commission.

The SEC’s investigation is a non-public, fact-finding inquiry trying to determine whether there have been any violations of the federal securities laws. To the best of our knowledge, the SEC has not (as of this writing) made any conclusions that anyone affiliated with Sushi has violated United States federal securities laws.

Grey claims to be cooperating with the investigation. A legal defence fund in response to the subpoena was proposed on Sushi’s governance forum on March 21.

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Upbit crypto exchange receives suspension notice in South Korea

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South Korea’s Financial Intelligence Unit (FIU) has issued a suspension notice to Upbit, one of the nation’s leading cryptocurrency exchanges, citing alleged violations of Know Your Customer (KYC) protocols. The FIU’s investigation reportedly uncovered between 500,000 to 600,000 instances where Upbit failed to adhere to KYC procedures, potentially exposing the platform to significant fines.

Under South Korean law, each KYC violation can result in a penalty of up to 100 million Korean won (approximately $68,600). Given the volume of alleged breaches, Upbit could face fines totaling up to $34.3 billion. Additionally, the FIU has accused Upbit of engaging in transactions with unregistered cryptocurrency service providers, further compounding its regulatory challenges.

The suspension notice proposes a six-month halt on new user registrations, though existing users would remain unaffected. Upbit has until January 20 to respond to the FIU’s findings, with a final decision on the suspension expected by January 21. This development comes shortly after Upbit’s business license renewal in October 2024, which is now under regulatory review.

Upbit’s situation mirrors broader regulatory scrutiny in South Korea’s cryptocurrency sector. Recently, Lee Jung-hoon, former chair of major exchange Bithumb, was acquitted in an appeal trial related to a significant 2017 data breach. These events underscore the increasing regulatory pressures faced by cryptocurrency exchanges in the country.

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SEC under Trump could freeze crypto cases not involving fraud

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The U.S. Securities and Exchange Commission (SEC) is poised for a significant shift in its approach to cryptocurrency regulation under President-elect Donald Trump’s administration. With SEC Chair Gary Gensler and Commissioner Jaime Lizárraga set to resign on January 20, 2025, Republican Commissioners Hester Peirce and Mark Uyeda are expected to assume a majority position. This change could lead to a reevaluation of the SEC’s stance on digital assets, particularly concerning enforcement actions that do not involve fraud allegations.

Under Gensler’s leadership, the SEC pursued numerous enforcement actions against crypto firms, including high-profile cases against Coinbase, Binance, and Ripple Labs, alleging violations of securities laws. The incoming administration, however, has signaled a more crypto-friendly approach. Paul Atkins, President-elect Trump’s nominee for SEC Chair, is anticipated to initiate an overhaul of the agency’s cryptocurrency policies, potentially freezing or withdrawing ongoing enforcement cases that lack fraud allegations.

This prospective policy shift has generated optimism within the cryptocurrency community, which has often criticized the SEC’s previous regulatory approach as overly aggressive. Industry stakeholders are hopeful that a more supportive regulatory environment will foster innovation and growth in the U.S. crypto market. However, legal experts caution that dismissing enforcement actions could set a risky precedent, emphasizing the need for balanced regulation that ensures market integrity while promoting technological advancement.

As the SEC transitions under new leadership, the agency is expected to undertake a comprehensive review of its cryptocurrency regulations, aiming to provide clearer guidelines on when digital assets are considered securities. While the process of implementing new policies may take several months, the anticipated changes reflect the Trump administration’s commitment to reshaping the regulatory landscape for cryptocurrencies, potentially ushering in a new era of regulatory clarity and industry growth.

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Ronin offers $10M grant program for Web3 developer growth

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The Ronin Network, an Ethereum Virtual Machine (EVM) blockchain renowned for its gaming applications, has unveiled a $10 million grants program aimed at fostering Web3 developer growth. Announced on January 16, the Ronin Ecosystem Grants initiative seeks to expand the blockchain’s capabilities by attracting developers focused on gaming, consumer decentralized applications (DApps), and decentralized finance (DeFi) protocols.

The grants are structured to support both developers and waypoints, which are crypto-based bridge services. Builder grants offer up to $300,000 in Ronin (RON) tokens, while waypoint gas grants provide up to $20,000 in RON. Approved projects will receive milestone-based funding to cover essential costs such as development integrations, audits, and deployment. The initiative emphasizes supporting teams and game studios with innovative ideas to enhance the Ronin ecosystem.

Beyond financial support, selected projects will gain increased visibility through Ronin’s platforms, including the Ronin Wallet and the Ecosystem Grants website. Additional benefits encompass access to the Ronin Builders Discord for collaboration with other teams, venture capitalists, and advisors, as well as integration opportunities with Web3 games and ecosystem partners. Approved developers may also receive discounts from infrastructure and tooling providers.

This initiative reflects Ronin’s commitment to becoming a foundational platform for gaming and consumer DApps. By incentivizing developers to address user challenges, onboard new participants, and boost on-chain activity, the grants program aims to drive innovation and growth within the Ronin ecosystem. The application process has no set deadline, with reviews expected to take up to four weeks.

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