A serious attempt to bring Ethereum-like smart contract functionality to Bitcoin called OP_CAT has finally been granted a “BIP number:” 347. “Getting a BIP number does not signal any sort of consensus on the part of the community," Ethan Heilman, one of the co-authors of the proposal alongside Armin Sabouri, said in an interview. "It just makes discussing and writing software around the proposal easier because the proposal now has a unique numeric identifier that everyone agrees on.”