FRAGMENTATION PROCESSING METHOD FOR USE WITH MULTI-BLOCKCHAINS, DEVICE, SERVER AND STORAGE MEDIUM

A fragmentation processing method for use with multi-block chains, comprising: receiving a transaction request which is sent by an application client, wherein the transaction request carries application client parameters therein, and the application client parameters comprise service type; obtaining block chain identifiers for a plurality of block chains, a block chain having a corresponding service type and the block chain deploying an application level code thereon; parsing the application client parameters, and selecting a block chain identifier corresponding to the service type carried by the transaction request; assigning the transaction request to a block chain corresponding to the selected block chain identifier such that the application level code which is deployed on the block chain completes a transaction according to the application client parameters.