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At line 5 changed one line
A fair exchange protocol is based on trade. As an example suppose [Alice] and [Bob], who wish to [trade] (perhaps [cryptographic]) "items" somehow.
An exchange [protocol] transmits an item [token] from each participant to each other participant in a group. An exchange [protocol] is called fair, if and only if
- The protocol either ensures that all honest participants receive all items as expected or releases no useful information about any item of any honest party.
- The protocol terminates after a fixed time.
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However, you run into a problem:
A fair exchange protocol is based on solving the Fair Exchange Problem.
As an example suppose [Alice] and [Bob], who wish to have a [Transaction] (perhaps [cryptographic]) "items" somehow.
However, you run into the Fair Exchange Problem:
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* [#1] - [Encyclopedia of Cryptography and Security pp 215–216|https://doi.org/10.1007/0-387-23483-7_155|target='_blank'] - based on information obtained 2022-11-18
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