News for hackers. Stuff that matters.

A comment on That which does not kill Bitcoin makes Bitcoin stronger. Parent comment

Re:That which does not kill Bitcoin makes Bitcoin stronger by sz4kerto on Wednesday February 26, 2014 @06:47PM (#7309162)
It's not free to add to. It's computationally extremely expensive, that's why miners are compensated.
[ Parent | on HN ]
Re:That which does not kill Bitcoin makes Bitcoin stronger by Aqueous on Wednesday February 26, 2014 @08:12PM (#7309594)
Mining is wasteful but in principle proof of work can be largely replaced by proof of stake, dramatically lowering the energy costs.
[ Parent | on HN ]
Re:That which does not kill Bitcoin makes Bitcoin stronger by MarkPNeyer on Wednesday February 26, 2014 @07:00PM (#7309237)
proofofexistence.com is free to use; that's what i meant.
[ Parent | on HN ]