【Hot Briefing】Top 10 events in AI and crypto over the past 48 hours:

1. 【DeFi Rescue】Aave spearheaded fundraising for the rsETH incident, raising over 100k ETH (about $232 million); KelpDAO and LayerZero joined the execution.
2. 【Litecoin Vulnerability】Litecoin disclosed a zero-day vulnerability that caused a DoS attack on mining pools; the network was restored to normal after reorganizing 13 blocks for repair.
3. 【Institutional Adoption】BlackRock’s IBIT Bitcoin ETF options have open interest of $27.6 billion, surpassing Deribit for the first time, marking an accelerated rollout of compliant crypto derivatives.
4. 【Balancer Hacker】Over the past three days, the Balancer attacker exchanged 21,000 ETH for 617.43 BTC (about $487.2 million); the attacker still holds 1,000 ETH, which may allow further sell-offs.
5. 【ZetaChain AI】ZetaChain integrated OpenAI’s latest model GPT-5.5 into its AI layer Anuma, supporting seamless access to multiple models and privacy-preserving memory.
6. 【Fere AI Funding】AI digital asset trading proxy platform Fere AI completed $1.3 million in funding, led by Ethereal Ventures, supporting natural-language trading on ETH, SOL, and BASE.
7. 【Anthropic Mythos】Anthropic’s Mythos AI shifted the DeFi security focus to infrastructure (keys, bridges), with Coinbase and Aave participating in testing.
8. 【USDC Dominance】USDC accounts for 98% of micro-payments in the AI agent economy, becoming the practical AI currency and surpassing theme tokens such as FET, TAO, and RENDER.
9. 【Base AI Payments】Coinbase’s Base developer team said AI agents will be the next wave of crypto payments; the x402 protocol has processed $48 million, with 95% occurring on the Base chain.
10. 【Quack AI Unlock】The AI token project Quack AI (Q) will unlock approximately 161 million tokens on May 2, worth about $1.71 million.
Data sources: Surf AI, ChainCatcher, TechFlow, CoinDesk, and others.