Yearn Finance's yETH pool was drained of approximately $9 million through a minting exploit. The attacker transferred 1,000 ETH to Tornado Cash while retaining around $6 million in a controlling wallet. Data show the breach targeted protective mechanisms in the pool's minting contract.

Ethereum has reversed sharply from the $3,000 level, declining 8% after encountering concentrated resistance and the prevailing downtrend structure. Technical indicators and liquidation data show continued corrective pressure, with market focus shifting to critical support levels as the asset tests a pivotal decision zone.

XRP trades below the 21-period exponential moving average across six shorter timeframes but holds support on the monthly chart. Market strategist EGRAG CRYPTO notes the monthly timeframe remains above key moving average levels. The first dedicated XRP exchange-traded fund from 21Shares launched December 1, 2025, offering regulated exposure to institutional investors.

Ripple released 1 billion XRP from escrow on December 1, continuing its monthly unlock schedule in place since 2017. The company typically re-locks 70–80% of each release into new escrow contracts, with approximately 200–300 million XRP remaining for liquidity provision and institutional operations.

A whale previously active in October market movements deposited 55,240 ETH to Aave and borrowed $70M in stablecoins across two tranches, data show. The borrowed funds were transferred to Binance. This marks the wallet's first significant activity in three months.

Zcash has declined more than 50% from its November 7 peak of $750, trading near $364. The token fell 20% in 24 hours and posted 32% weekly losses. A governance debate over token-based voting has compounded selling pressure alongside bearish technical signals.

Grayscale Investment will launch the first US spot Chainlink exchange-traded fund this week by converting its existing LINK trust into an ETF structure, according to ETF expert Nate Geraci. The product will provide traditional investors with regulated access to Chainlink without the technical complexities of cryptocurrency custody. LINK traded at $12.16 on December 1, 2025, down more than 6% amid broader market weakness.

Sony Bank will introduce a U.S. dollar-pegged stablecoin for American customers starting in fiscal 2026, Nikkei reported. The Sony banking unit plans to deploy the 1:1 USD stablecoin for payment and settlement operations across its gaming and anime divisions. The move could reduce credit card processing fees for customer subscriptions.