Data work ownership processing method and device based on block chain

The invention can be applied to the technical field of application of a block chain technology in the financial aspect, and provides a data work ownership processing method and device based on a block chain, and the corresponding method comprises the steps: obtaining a digital identity of an owner user of a data work in response to an ownership transaction request of the data work; the data works are bound with the digital identities, and binding results of the data works and the digital identities are linked; and transferring the right to use and/or ownership of the data work to a target user according to the binding result. According to the invention, cross-institution user identity collaboration and rights and interests security guarantee of user data works in binding, authorization and transfer activities are realized through the digital identity DID and the verifiable certificate. 本发明可用于区块链技术在金融方面应用的技术领域，本发明提供了一种基于区块链的数据作品权属处理方法及装置，对应的方法包括：响应于所述数据作品的权属交易请求，获取所述数据作品的所有者用户的数字身份；将所述数据作品与所述数字身份进行绑定，将所述数据作品与所