[News] The chain abstraction project Particle Network aims to solve cross-chain challenges and liquidity problems in the Web3 world and provide clear and concise solutions. At the same time, Vitalik believes that Layer 2 is an extension of Ethereum culture, and its diversified characteristics more naturally lead to the diversification of technical functions such as expansion and virtual machine design. In addition, PEPE, which has risen by more than 1100% this year, has soared to the third largest memecoin, which has a significant impact on the Ethereum memecoin ecosystem. In the legal field, Chinese law enforcement agencies are pursuing Qian Zhimin, the main suspect in the case of illegally absorbing public deposits, worldwide. Finally, this article analyzes the "cross-chain" method and its security in the BTC ecosystem, because the BTC mainnet does not have Turing-complete smart contract capabilities, and its cross-chain solution is different from the EVM ecosystem.