The Bitcoin ecosystem composability DID protocol BRC-137 has announced the completion of a $2.5 million seed round of financing, with participation from institutions such as BASICS CAPITAL, DFG, GATE LABS, JSQUARE, etc. The funds will be used to accelerate the development and improvement of the protocol and ecosystem growth, with the goal of achieving a native social universe within the Bitcoin ecosystem. BRC-137 aims to enhance asset liquidity by introducing composable prefixes and suffixes, building a robust DID ecosystem, and introducing a royalty mechanism to promote the development and innovation of on-chain social models.