For the uninitiated: https://gwern.net/bitcoin-is-worse-is-better
..."if you look at the cryptography that makes up Bitcoin, they can be divided into: Public key cryptography2 Cryptographic signatures Cryptographic hash functions Hash chain used for proof-of-work Hash tree Bit gold cryptographic time-stamps resilient peer-to-peer networks"
Very interesting. I come at something similar from a different angle here. https://primal.net/e/note1yf00y4a4skdz7j2hmhy8y36n5cjkp2hf8v2ejsf06dpq83rj80hq6sc7h4