The outgoing time of BBC is 2.5 minutes, and the block size is 16M. It supports Segwit (isolation witness), replay protection, unique address format, smart contract, Lightning Network, cross chain protocol, POW consensus algorithm and Zero-knowledge proof. On the basis of integrating Graphene technology, Lightning Network and other existing advanced technologies, the BBC blockchain also pioneered the PCM (Parallel chain matrix) model, which will make the BBC the largest, fastest, best performing and most technologically complete bitcoin fork network and blockchain infrastructure. In addition, the BBC blockchain will also utilize satellite nodes to further improve blockchain security, and even support anti quantum attacks in the post quantum era, enabling the BBC blockchain to achieve military level security upgrades....