Method for using electronic seal based on block chain, equipment and medium

The invention discloses a method for using an electronic seal based on a block chain, equipment and a medium, and the method comprises: receiving the electronic seal of a first user, packaging the electronic seal into a block, and writing the block into the block chain; receiving a file sent by a second user, and confirming identity information of the second user; and determining whether to printthe electronic seal of the first user to a file sent by the second user according to the identity information of the first user. The distributed storage technology of the block chain makes up the problem that a traditional electronic seal is tampered in use, meanwhile, the traceability of the block chain technology is high, the use process of the electronic seal can be recorded, and the safety isgreatly improved. 本申请公开了一种基于区块链使用电子印章的方法、设备及介质，方法包括：接收第一用户的电子印章，将所述电子印章打包成区块，写入区块链中；接收第二用户发送的文件，并确认所述第二用户的身份信息；根据所述第一用户的身份信息，确定是否将所述第一用户的电子印章印至所述第二用户发送的文件。区块链的分布式存储技术弥补了传统的电子印章在使用时会被篡改的问题，同时，区块链技术的可追溯性强，能够记录电子印章的使用过程，安全性大大提高。