3 ms·
Sure. And then, after you've transferred 5 dollars to me, I say "What 5 dollars? What are you talking about?" and refuse to hand over the thing that you thought
by vintermann 4y ago
Sure. And then, after you've transferred 5 dollars to me, I say "What 5 dollars? What are you talking about?" and refuse to hand over the thing that you thought you bought.
Add perfect anonymity to the mix and I get to do it over and over again, too.
- 3np 4y agoYou could still design the scheme such that the sender can produce a cryptographic proof. Equally applicable for tax auditing etc.
- macrolime 4y agoYou could set it up so whoever initiates a transfer could get a kind of receipt that proves they initiated a transfer of X dollars to whomever. So if Alice transfers 5 dollars to Bob and Bob says "What 5 dollars? What are you talking about?", then Alice could say, well here's my receipt, that's signed by my private key and the private key of the FHE bank, that shows that I sent the money to Bob and the FHE bank executed the transfer.
- ricksunscreen 4y agoYou get this for free with FHE. In the event of a dispute, you can reveal the randomness and message that produce the public ciphertext given the user's public key.
- deleted 4y ago[deleted]