[Blockchain News | Review of Important Dynamics on June 29] 21:00-7:00 Keywords: 21Shares, SEC, ETF. 1. 21Shares has submitted the S-1 document of Solana ETF to the SEC, which is a further recognition of Solana blockchain technology; 2. The US SEC filed a lawsuit against Consensys, accusing it of violating federal securities laws, which once again triggered discussions on the regulation of the blockchain industry; 3. The US SEC regards the pledge projects of Lido and Rocket Pool as securities, which has an impact on the development of the DeFi industry; 4. The US Treasury Department released the 2025 crypto tax system and postponed the implementation of relevant rules for non-custodians, which may have a far-reaching impact on the crypto market; 5. The US Supreme Court overturned the Chevron principle, and the SEC no longer has the right to ambiguous legal interpretation, which may change the regulatory environment of the blockchain industry in the future; 6. Bloomberg's ETF analysts predict that the listing time of the spot Ethereum ETF may be postponed until after July 8; 7. Consensys said that the SEC's lawsuit was expected and firmly believed that the US SEC was not granted the power to regulate MetaMask and others.