Crypto News. December 2, 2025

AI Research, Anthropic warned that increasingly powerful, AI agents can now autonomously find and exploit smart-contract vulnerabilities at scale, noting that their Claude Opus 4.5 and Claude Sonnet 4.5 exploited 17 of 34 recently hacked contracts in tests and stole $4.5 million in simulated funds , highlighting the urgent need to use AI to strengthen blockchain security.

Marking a significant shift, Vanguard will begin allowing ETFs and mutual funds that primarily hold cryptocurrencies like BTC, SOL, XRP, and ETH to trade on its platform starting today, despite CEO Salim Ramji saying as recently as August 2024 that the firm had no plans to offer crypto products.

Kalshi launched tokenized versions of thousands of markets on Solana

Bitmine now holds 3% of Ethereum total supply ($10.5 Billion)

Strategy (formerly MicroStrategy) bought another 130 BTC for $11.7 million at an average of $89,960, bringing its holdings to 650,000 BTC worth about $56 billion, funded through recent MSTR stock sales as they also announced a $1.44 billion US dollar reserve to support dividend and debt payments.

Ripple has expanded its Singapore Major Payment Institution license, allowing it to offer end-to-end Ripple Payments services using XRP and stablecoin RLUSD for faster settlements

Zama announced launch of a sealed-bid Dutch auction on Ethereum to sell 10% of its ZAMA token supply, with registration opening Dec. 14, bidding set for Jan 12–15, and claims starting Jan 20, using FHE powered confidentiality and a clearing price mechanism that refunds all bids below the final price, while bids at or above the clearing price are filled at that price, with any excess refunded.

Wormhole is powering the official native bridge of Fogo chain built for preps