Ever wonder how Bitcoin (and other cryptocurrencies) actually work?

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The Bitcoin protocol and blockchains explained from the viewpoint of stumbling into inventing your own cryptocurrency.

Protocol Labs: https://protocol.ai/
Interested in contributing? https://protocol.ai/join/

Special thanks to the following patrons: http://3b1b.co/btc-thanks

Some people have asked if this channel accepts contributions in cryptocurrency form as an alternative to Patreon. As you might guess, the answer is yes :). Here are the relevant addresses:
ETH: 0x88Fd7a2e9e0E616a5610B8BE5d5090DC6Bd55c25
LTC: LNPY2HEWv8igGckwKrYPbh9yD28XH3sm32

Supplement video: https://youtu.be/S9JGmA5_unY

Music by Vincent Rubinetti: https://soundcloud.com/vincerubinetti/heartbeat

Here are a few other resources I’d recommend:

Original Bitcoin paper: https://bitcoin.org/bitcoin.pdf

Block explorer: https://blockexplorer.com/

Blog post by Michael Nielsen: https://goo.gl/BW1RV3
(This is particularly good for understanding the details of what transactions look like, which is something this video did not cover)

Video by CuriousInventor: https://youtu.be/Lx9zgZCMqXE

Video by Anders Brownworth: https://youtu.be/_160oMzblY8

Ethereum white paper: https://goo.gl/XXZddT


3blue1brown is a channel about animating math, in all senses of the word animate. And you know the drill with YouTube, if you want to stay posted on new videos, subscribe, and click the bell to receive notifications (if you’re into that).

If you are new to this channel and want to see more, a good place to start is this playlist: http://3b1b.co/recommended

Various social media stuffs:
Website: https://www.3blue1brown.com
Twitter: https://twitter.com/3Blue1Brown
Patreon: https://patreon.com/3blue1brown
Facebook: https://www.facebook.com/3blue1brown
Reddit: https://www.reddit.com/r/3Blue1Brown


Ramana Murthy says:

Great intro – thanks

Matthew Kelly says:

This is one of the best overviews of how bitcoin works that I have seen – nice job!

Marco Diaz says:

Support the people bitcoin is the future 16atS8KNMUeFHwoKuPAaGPrWaH6NyN529q

RDirective says:

What is that nice keyboard tune near the end?

Gilad Tam says:

maybe you can do an episode about cryptography or hash functions?

Rama Krishna says:

When I watching this. I was eating brown rice and bitter gourd curry. By end of my meals almost i fall a asleep. Once my head fall into my plate. The curry is so hot with chili powder and it started burning my forehead with that sense i wake up from my sleep. This video is so soothing.

V J says:


Kenneth Mui says:

Best fucking video explanation!

Valentin says:

wonderful description of how this works.

xsquaredthemusician says:

so all the miners just have to get together and then they can control all the payments, yeah?

TAK comps says:

4:00 Unfeasible, not in feasible

MrMeeeeToo says:

So how do you store a bitcoin on an USB stick? This seems hard to do since a single coin only exists in the whole ledger right?

cndtrek says:

I call it ZitCoin because it pops like a pimple.

Mike Douglas says:

Earn Free BitCoins Now – https://bitly.im/ceLrS

Krestek says:

so if anyone wants to use bitcoins for money he has to mine? I mean, can you use them as money without having to mine at all?

Miguel Dominguez says:

Thank you for making this video. Can you do more like it. New to the channel and it's awesome to listen to

Dior Swe says:

nothing but the best telegram channels with profitable signals and the best analytics!

BlobyFloby says:

I've always thought I had a fairly good grasp on how cryptocurrencies worked, but your video, as they often do, really hammer in the knowledge in a great way that makes everything make much more sense, in a much more intuitive way.

shawn wilson says:

Are you going to follow this up with number field sieve?

John Smith says:

This is the worst video about Alice ever!

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