Block chain-based transfer charging method and device

The invention discloses a block chain-based transfer charging method and device. The method comprises the steps of receiving a transfer request initiated by a first node to a second node; reading a preset account transfer charging rule which comprises a rate calculation rule and an account transfer condition; charging the transfer request according to the rate calculation rule, and clearing assets of the first node and the second node according to a charging result; judging whether the account transfer request meets the account transfer condition or not, if yes, processing the account transfer request, and transferring the expense obtained by processing the account transfer request to an administrator account; and if not, terminating the transfer service of the transfer request. According to the invention, the transfer charging rule can be flexibly set according to needs, the charging flexibility is high, the charging rationality is high, and the fairness of all parties participating in the transaction is hig