3 ms·

Interestingly, this is where the proof-of-work idea for Bitcoin likely came from (hashcash). Basically prove you've done X amount of CPU work in order to send

Interestingly, this is where the proof-of-work idea for Bitcoin likely came from (hashcash). Basically prove you've done X amount of CPU work in order to send me an e-mail.

xapata 6y ago
Yeah, but I don't want you to waste electricity. Just send me the money instead of the utility company.
DavidSJ 6y ago
The Bitcoin whitepaper directly cites Hashcash. [1] [1] https://bitcoin.org/bitcoin.pdf https://bitcoin.org/bitcoin.pdf