Bitcoin Glossary

Proof of Work

Also known as: proof-of-work

A consensus mechanism where miners compete to find a valid hash, making attacks economically expensive.

Lessons mentioning "Proof of Work"

Pre-Bitcoin Era Bitcoin Mining Explained Network Attacks and Defenses Chain Reorganizations and Consensus Introduction to Cryptography Hash Functions Cryptographic Verification: Why Bitcoin Doesn't Need Trust Block Inclusion and Confirmations