Hacker News new | ask | show | jobs
by sktrdie 4604 days ago
Good point. It's a known misconception that the act of mining serves only to create new BTCs. Since Bitcoin clients only accept history branches that have the longest proof-of-work, the mining is essential to prevent a forge of the history branch, not just a single forged block since most users have established good practice to wait at least 5 confirmations before approving a payment.