Proof-of-work based on hash mining for reducing spam attacks (patft.uspto.gov)

2 points by simonebrunozzi 5y ago ↗ HN

1 comment

[ 2.1 ms ] story [ 13.6 ms ] thread

z573 5y ago ↗

Not familiar with the patent system, but this looks like HashCash https://en.m.wikipedia.org/wiki/Hashcash