How Bitcoin Works: Ledgers, Signatures, and Proof of Work

3Blue1Brown · Explainer · YouTube title: But how does bitcoin actually work?

Why it's here

The go-to recommended video for newcomers wanting a clear, visual explanation of how Bitcoin and blockchains work.

What it covers

3Blue1Brown explains the math and mechanics behind Bitcoin visually: ledgers, digital signatures, proof of work and the blockchain, building up a decentralized payment system from first principles.