Fair safe electronic exchange method without third party

Abstract

The invention relates to an equal safety electric business method, which can solve the problem that worse equality caused by the third part of electric business cahoots to cheat. The invention can avoid the third part, to directly process the electric business between the buyer and the seller when there is not safe network, that the buyer and the seller use code algorism especially the synchronous effective sign algorism to process the trade information as electric order, electric check, etc, and transmit the result to opposite part via network; and they both keep the trade evidence, to realize the equal and safe business of digital goods and solid goods. The invention has simple process, high equality, while buyer can obtain digital goods when the electric check becomes effective, and obtain solid goods, when the seller shows key evidence that the electric check is effective.

Description

technical field [0001] The invention belongs to the field of information security and relates to e-commerce, in particular to a fair and safe e-commerce transaction method without a third party, which can be used for e-commerce transactions of various physical commodities and digital commodities. Background technique [0002] With the development of computer network and communication technology, people gradually communicate and exchange their own information through the network. New forms of exchange such as online payment and e-commerce have emerged. At present, the security problem of electronic payment has increasingly become the bottleneck restricting the development of e-commerce. This problem is prominently reflected in the realization of the fairness of electronic payment in our country. Fraud in real-world exchanges has not disappeared in the network environment. On the contrary, due to changes in the form of participants and changes in exchange methods, fraud has b...

AI Technical Summary

Problems solved by technology

[0009] All of the above transaction methods involve a trusted third party. In fact, people have doubts about the fair exchange scheme involving a trusted third party. The reason is that in the trustless environment of the Internet, not only buyers and sellers cannot trust each other , any third party that may enter the transaction process cannot be reassuring, because no one can guarantee that the third party will not make mistakes, cheat or even collude

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