BIP91 blocks have been successfully mined by BiXin and Antpool helping to allay fears that Bitcoin could split in the face of incompatibility between rival Segwit2x and BIP148 implementations.
BIP91 (or Bitcoin Improvement Proposal 91) is the work of software engineer James Hilliard, it addresses incompatibilities between the competing SegWit2x and BIP148 protocols. Both bring SegWit to Bitcoin, except that SegWit2x refuses communication with BIP148, which would effectively cause Bitcoin to split in two.
BIP91 seeks to address this problem by enabling SegWit2x and BIP148 to communicate. However, in order for BIP91 to be successful it must also … Read the rest