This article shares our latest thoughts from a year ago, reflecting on the current state and perspectives of BTC, and predicting future developments. We observe intense competition among EVM L2/sidechains, increased liquidity fragmentation and scaling solutions, and widespread trust assumptions across L2 and meta-protocols. Different trust assumptions are proposed for sidechains, rollups, and meta-protocols. The development trends of Bitcoin include the issuance of digital assets, programmable solutions, and improved capital efficiency. Additionally, some emerging solutions and potential winners are mentioned, calling for everyone to build the Bitcoin ecosystem together.