Multi-signature shared account protection method and system and electronic equipment

Abstract

The invention provides a multi-signature shared account protection method and system and electronic equipment, and the method comprises the steps: generating a multi-signature contract account of which the signature mechanism is n/m and which is provided with a transfer quota parameter and a transfer interval time limiting parameter, and enabling the multi-signature contract account to correspondto a multi-signature contract stored in an Ethereum block chain; obtaining transaction signatures of the n private accounts when any n private accounts in the m private accounts perform multi-signature transaction, and obtaining m-unparticipated in the multi-signature transaction when the account transfer amount is greater than the account transfer limit parameter or the account transfer time interval is less than the account transfer interval time limit parameter; informed signatures of the n private accounts; Verifying the transaction signature or verifying the transaction signature and theinformed signature through the multi-signature contract, and executing the multi-signature transaction after the verification is passed. According to the invention, fraud transactions caused by intercommunication between part of private accounts of the multi-signature contract account can be avoided, so that the asset security of the shared account is ensured.

Description

technical field [0001] The invention relates to the technical field of digital currency transactions, in particular to a protection method, system and electronic equipment for a multi-signature shared account. Background technique [0002] Currently, digital currency transactions based on Ethereum smart contracts use smart contracts and private key signature technology. Users use their own private keys to sign and authorize their own transactions or contract operations to realize external transfer transactions or contract execution of digital currency. The user's private key signature can be verified through the user's address, the private key is kept by the user, and the user's address is made public. The Ethereum multi-signature technology refers to the use of multiple user addresses to jointly generate a shared contract account, and the assets of the shared contract account are managed by multiple users. The asset transaction of this shared contract account must be sign...

AI Technical Summary

Problems solved by technology

However, the current multi-signature transactions are opaque for multi-signature personal accounts that do not participate in the transaction. It is possible that some signatories may collude with each other or conduct private transactions, resulting in the loss of account assets of other signatories.

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