1/ Everyone knows that time is money. In the digital realm, however, money is also intricately related to time. It has to be.
7/ Bitcoin uses SHA-256 and digital signatures as its causal building blocks and the ever-changing interactions of its peers, as well as the randomness of PoW as its source of entropy.
12/ Thanks to everyone who helped with this piece: @Croesus_BTC, @FriarHass, @citizenbitcoin, @skwp, @joernroeder, @SwanBitcoin - and thanks to all my supporters. I wouldn't be able to do this without you.
8/ This intricate dance of coordination creates a moment in time that every node can verify for itself. It can trust, with a very high probability, that this is what actually happened in the past.