BitMine Immersion purchased approximately 27,316 ETH valued at $113 million from digital asset custodian BitGo, data show. The acquisition increases BitMine's Ethereum holdings to roughly 3.3 million ETH, worth over $13 billion at current prices. The company targets ownership of 5% of all circulating Ethereum, equivalent to 6.04 million ETH.

Ethereum's Fusaka upgrade activated on the Hoodi testnet on October 29, 2025, at 18:53 UTC, completing the final testing phase before mainnet deployment on December 3. The upgrade will increase the block gas limit from 30 million to 150 million units and expand blob capacity through Peer Data Availability Sampling. Core developers confirmed the timeline during the ACDC #165 call, following earlier activations on Holesky and Sepolia testnets.

Veteran trader VirtualBacon says the cryptocurrency market may be poised for a liquidity-driven rally as the Federal Reserve approaches the end of quantitative tightening. Goldman Sachs and Bank of America project QT could conclude by November or December 2025, potentially creating favorable conditions for Bitcoin and altcoins. The CME FedWatch tool shows a 99.9% probability of a rate cut this month, with an 87.9% chance of another reduction later this year.

Visa will support four stablecoins operating on four separate blockchains, CEO Ryan McInerney said during a Tuesday earnings call. Stablecoin-linked card spending in Q4 2024 quadrupled year-over-year. The company now operates over 130 stablecoin-linked card programs across more than 40 countries.

The United States launched its first altcoin exchange-traded funds on October 27, with Solana, Hedera, and Litecoin ETFs generating $65 million in combined first-day trading volume. Solana's ETF attracted $56 million in trading activity, yet the token declined 3.65% to around $191. Hedera's $8 million in volume corresponded with a 4.9% price surge to $0.193, while Litecoin's $1 million debut saw the token drop 3.3% to $96.

OceanPal, Inc. (NASDAQ: OP) has completed a $120 million private investment in public equity transaction through common stock and pre-funded warrants. The proceeds will establish SovereignAI, a digital asset treasury company focused on commercializing NEAR Protocol and developing blockchain-native AI-cloud infrastructure using NVIDIA technology, according to a press release. Investors in the offering included Kraken, Proximity, Fabric Ventures, and G20 Group.

A new Ethereum technical standard, ERC-8004, aims to create an open marketplace for AI agents. The protocol enables users to mint and delegate AI agents using NFT infrastructure while maintaining reputation scores onchain. Engineers from MetaMask, Coinbase, Google, and the Ethereum Foundation developed the framework, which launched on Ethereum testnet this month.

Hunter Horsley, CEO of Bitwise Invest, predicts every major Wall Street institution will participate in cryptocurrency activities within the next year. Digital assets are rapidly transforming traditional capital markets as major financial firms accelerate adoption across trading and custody services. Corporate adoption increased 40% in Q3 2025, according to Bitwise's market review.

MetaMask has launched a multichain account feature enabling users to manage EVM and non-EVM addresses through a single account. The wallet provider stated that Bitcoin network support will be added in future updates.

Exchange-traded funds for Solana, Litecoin and Hedera are listed on U.S. exchanges and may start trading Tuesday, according to Bloomberg ETF analyst Eric Balchunas. Bitwise leads with a Solana ETF, while Canary Capital filed for Litecoin and HBAR products. Grayscale plans to convert its Solana Trust into an ETF.