Application platform for data interactive block chain network hosting

The invention discloses an application platform for data interactive block chain network hosting. An operation method of the platform comprises the following steps: step 1, providing express sending and crowdsourcing rider delivery services for users based on a crowdsourcing logistics platform; 2, a mailing user carries out mailing operation based on a platform mailing page; 3, a crowdsourcing rider carries out order receiving and on-the-way distribution through an auction mode; 4, after the auction is finished, revealing the auction quotation of all crowdsourcing riders, and judging whether the bid is valid or not; and step 5, utilizing a trusteeship contract deployed on the Ethereum block chain to take charge of fund transaction data security in the platform, creating the trusteeship contract which comprises a mailing user, a crowdsourcing rider and an arbiter and is deployed on the Ethereum block chain by the platform, transferring guarantee deposit of the mailing user and the crowdsourcing rider into the