Set up decentralized crowdfunding platform using blockchain architecture. This system uses multiple nodes and it at least contains 4 types of role nodes. 1.Project sponsor node; 2.Crowdfunding platform node; 3.Investor node; 4.Regulatory agency node; Identity of consortium blockchain node agrees on certification. Key information will be put on chain and is open and transparent to all internal members. Data information of early project is open, transparent and cannot be revised. Transaction information on chain makes matchmaking trade-off information more transparent, whereas receipt information on chain makes checking of expenses easier to carry out.