3 ms·
Before bitcoin, there was hashcash, which aimed to do exactly this: http://www.hashcash.org/ http://www.hashcash.org/ . The original bitcoin paper cites it, in
by endgame 4y ago
Before bitcoin, there was hashcash, which aimed to do exactly this: http://www.hashcash.org/ http://www.hashcash.org/ . The original bitcoin paper cites it, in fact.