But how does bitcoin actually work?

What this video 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.

Why it surfaced in Hacker News

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

Recommendation context

Short excerpts from positive mentions. Open the source to read the full Hacker News discussion.

“IMHO the best intro to Bitcoin and cryptocurrencies in general.”

“Would highly recommend watching this video for anyone who hasn't already.”

“this video is the best explanation for how mining and blockchains work IMO”