The invention provides a distributed blockchain network system, comprising: a plurality of computer nodes form a distributed network for cooperative operation, wherein each of the plurality of computer nodes directly communicates with each of the plurality of computer nodes, each of the plurality of computer nodes cooperatively generates a computer program code by using a blockchain according to acommon smart contract by a user, wherein the contribution of each user acts as a block to serve as a block input at each computer node, and a code contained in a computer software program is complied; the code of the computer software program is submitted to a distributed network to complete the transaction, the block with the code is added to the blockchain of the computer software program; thecode submission of the computer software program is detected by the distributed network; and the code is added to the blockchain of the computer software program as a block.