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Correct, the thing all of those above instances have in common which Pokémon cards don’t is an explicit or implicit “promissory” feature.

“Promissory” has a specific meaning.

I can write you a contract promising you 1oz of gold to be paid at the next CES expo in Las Vegas 2023. You can hold onto that contract and redeem it at CES or swap it with a friend today for some tools and she can redeem it when she goes to CES in 2023 and the contract has reached maturity.

This is what the first forms of cash were in the west. Fungible legal contracts issued by private parties for payment at their trade shows. Later, governments and private institutions started issuing these.

The Bitcoin note works like this but the funds are escrowed in a contract-like mechanism on chain and can be accessed at maturity with a private key stored on a chip on the note. Which is a fancy way of saying it works the same but with software and the receiving party can check in real time that the note “is good for it” by confirming the funds are present in escrow.

This is hacker news, you’re a hacker, as a thought exercise how would you go and build a Pokémon cash instrument?



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