The BBC has improved on the basis of Bitcoin, overcoming the problems of traditional digital currency. Bit Business Coin technology has the technical competitiveness of Bitcoin in technology, and BBC has deepened its application properties through the expansion of blockchain application scenarios; Decentralization, encryption and decryption technology, blockchain technology, and consensus mechanism. These technologies support each other and become a whole through the consensus mechanism, realizing the BBC's unique security, open and traceable payment and transaction.