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According to a report on April 29th, some observers believe that Morgan Stanley's entry into the US spot Bitcoin ETF may serve as a catalyst for ending the cryptocurrency bear market, as it has the distribution capability of an $8 trillion wealth advisory network. However, Blockstream CEO Adam Back stated that institutional adoption is slow, and ETF portfolio building may take 1 to 18 months. He mentioned the impact of Bitcoin's four-year halving cycle and believed that the market's strength needs to wait for institutional capital inflows to manifest. In addition, he denies being the founder of Bitcoin, Satoshi Nakamoto, and claims that the institution's risk management on the threat of quantum computing is more systematic.

[Attackers Exploit EIP-7702 Vulnerability to Steal 1,988.5 QNT] According to disclosures by SlowMist, attackers exploited the EIP-7702 vulnerability to steal 1,988.5 QNT (approximately 54.93 ETH) from the QNT reserve pool. The vulnerability originated from the reserve pool administrator's EOA delegating code execution to the BatchExecutor contract, which in turn authorized the BatchCall contract without proper access control. Due to the lack of permission verification in the BatchCall.batch() function, any external caller could invoke it, resulting in the depletion of the reserve pool's assets.

The US Senate will vote today to approve the first Federal Reserve chairman to support Bitcoin, a position that oversees the world's largest central bank and involves the cryptocurrency sector. （The Bitcoin Historian）

OpenAI has partnered with AWS to integrate its models, Codex, and Amazon Bedrock Managed Agents into AWS, which will be available in limited preview. （Cointelegraph）

According to AiCoin monitoring, a large amount of funds flowed out of the US spot BTC ETF market yesterday, with a net outflow of up to $89.7 million. Among them, IBIT was the largest outflow, with a daily net outflow of $112 million; Next is BITB, with a total of 13.7 million US dollars. According to the "Spot BTC ETF Tracking" real-time trading strategy developed by AiCoin, there is a significant positive correlation between the inflow of ETF funds and BTC prices. Subscription indicators can be used to automatically place orders based on the flow of funds in the program. Data for reference only