This is a very impressive animated film setting out all the main features of how Bitcoin, and many other cryptocurrencies for that matter work.
It covers such matters as public ledgers, mining, hash functions, protocols, signatures, blockchains, verification, block rewards, etc.
It is really an exceptionally clear exposition of all the main topics to give anyone a basic idea of how cryptocurrencies work, and it recommended as an introduction to the subject.
For more information on cryptocurrencies and web technologies please visit https://crypto-resources.net