Yearn Finance's yETH product was exploited, resulting in approximately $3 million worth of ETH transferred to Tornado Cash. The attacker minted an excessive amount of yETH tokens through a vulnerability, draining liquid staking tokens from the pool in a single transaction. Yearn confirmed the incident affected only the yETH LST stableswap pool, with Yearn Vaults remaining secure.

European digital asset manager CoinShares has withdrawn its U.S. Securities and Exchange Commission registration applications for spot cryptocurrency ETFs covering XRP, Solana, and Litecoin. The company submitted Form RW withdrawal requests on November 28, 2024, as it prepares for a public listing through a $1.2 billion SPAC merger with Nasdaq-listed Vine Hill Capital. CoinShares, which oversees approximately $10 billion in digital assets, cited limited differentiation opportunities in single-asset cryptocurrency ETF offerings given market concentration among major financial institutions including BlackRock, Fidelity, and Grayscale.

China's central bank has reinforced its prohibition on cryptocurrency operations following a Friday meeting with thirteen government agencies. The PBoC highlighted stablecoins as failing to meet anti-money laundering and customer identification standards. The bank characterized these assets as a threat to national financial security.

U.S. spot bitcoin and Ethereum exchange-traded funds recorded their first week of combined net inflows since late October, with bitcoin ETFs adding $70.1 million and Ethereum ETFs contributing $312.6 million during the shortened Thanksgiving trading week. The positive flows ended multi-week outflow streaks that had totaled over $4.3 billion for bitcoin and $1.7 billion for Ethereum products.

Four researchers from Arbitrum developer Offchain Labs have challenged Vitalik Buterin's proposal to adopt RISC-V for Ethereum's execution layer. In a November 20 post on Ethereum Research, they argue WebAssembly (WASM) offers superior long-term benefits as Ethereum's smart contract format. The team supports reducing ZK proving costs but questions whether a single instruction set architecture can optimally serve both ZK-proving and smart contract delivery functions.

Cardano suffered its first major chain split in eight years on November 21 after a malformed delegation transaction exploited a 2022 deserialization vulnerability. The network fragmented into two competing chains for several hours before converging through natural consensus by November 22. A developer publicly acknowledged causing the incident, while founder Charles Hoskinson's decision to involve the FBI prompted an IOG employee to resign over concerns about legal liability for coding errors.

Wormhole Labs has launched Sunrise, a liquidity gateway designed to facilitate seamless transfers of external assets to the Solana network. The platform debuts with support for Monad's MON token, which begins trading tomorrow. Sunrise utilizes Wormhole's Native Token Transfers framework to provide unified liquidity across Solana-based decentralized exchanges.

The Monad token sale on Coinbase raised approximately $216 million against a $187 million target as of November 23, reaching 115% subscription. Participation surged in the final 24 hours before the scheduled close, with over $43 million in commitments recorded during that period.

Aerodrome and Velodrome, leading decentralized exchanges on Base and Optimism, reported front-end compromises early Saturday morning. Both platforms warned users to avoid primary domains and use decentralized mirror links while investigations into the DNS hijack continue. Smart contracts remain secure and unaffected.