> if you don't think irreversible electronic cash has any legitimate applications, you're not thinking hard enough I actually don't think blockchain-based led

> if you don't think irreversible electronic cash has any legitimate applications, you're not thinking hard enough I actually don't think blockchain-based ledgers are irreversible. The most exhaustive account for how these ledgers are reversible is captured in the Blockchain Folk Theorem paper [0]. We can brainstorm all kinds of fun use cases for irreversible digital cash, but given the growing evidence, I don't believe such digital cash exists. [0] https://www.tse-fr.eu/sites/default/files/TSE/documents/doc/wp/2017/wp_tse_817.pdf https://www.tse-fr.eu/sites/default/files/TSE/documents/doc/...