Importance

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Abstract

Provided are a transaction system and a transaction method. The transaction system comprises: a first electronic signature tool for making a first signature on transaction data and sending the transaction data subjected to the first signature to a network bank server; the network bank server for receiving the transaction data sent by the first electronic signature tool having been subjected to the first signature and performing authentication thereon, and sending the transaction data to at least one second electronic signature tool after the authentication has passed; and the at least one second electronic signature tool for receiving the transaction data sent by the network bank server, performing verification on the transaction data, receiving confirmation information input by a user after the verification has passed, and making a second signature on the transaction data and sending the transaction data having been subjected to the second signature to the network bank server. The present invention ensures the security of a transaction process, realizes remote transaction in the case that a transaction initiation party and a transaction confirmation party are not present simultaneously, and is convenient to use and strong in security.

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First Claim