Another reason for ETH bullishness, BlackRock issued BUIDL, a tokenised money market fund, with its custodial Treasury bonds and repurchase agreements as the underlying assets, the current size of the fund is about 2.9 billion US dollars, of which 2.68 billion are deployed on Ethereum, accounting for more than 92%. BlackRock's stock of short-term bonds and similar assets is about 1 trillion yuan, and the market penetration rate of this fund is less than 1,000. However, the current attack cost on Ether is still too low, as a POS chain, the number of pledges on Ethereum in June is 34.65 million, close to 30% of the circulating supply, that is to say, the total circulation is 11,550, and the attacker needs to master 34% of the staking equity, that is, about 10% of the circulating market value of Ether, that is to say, the attack cost is only 31.5 billion, and now the RWA scale of BlackRock's stock on Ethereum has reached 2.68 billion. As the scale of RWA rises, Ethereum must also rise, otherwise it will not be able to open up the market value space of assets issued on the chain. BlackRock's issuance of Ethereum ETFs and its increasing holdings are aimed at driving up the price of Ethereum and encouraging Ethereum staking ETFs to increase their control over the staked treasury to improve the security of its deployment of RWA assets on Ethereum.