The use of the bitcoin testnet for trading cards for Hackweek got me thinking about a protocol more adapted for the tit-for-tat trade of virtual goods: the transaction only completed once both sides have contributed their share to the transaction. It would need some way for each side to verify that the goods traded are those agreed on.

It would be an interesting problem to work on (or find some existing solution).

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Hack Week 11

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  • about 4 years ago: KGronlund originated Secure zero-trust P2P barter protocol
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