Earlier quoted context omitted.
This might be simplistic or ignorant - but does the essential core of crypto boil down to having a public trust ledger? Could a use case of crypto (and NFTs) be a replacement for PGP? This whole signing a physical product to prove it's official kind of sounds like PGP but I only have a 10000 foot view and don't know much about PGP other than you sign stuff and people can cryptographically verify that you actually sig…
> does the essential core of crypto boil down to having a public trust ledger? A blockchain is a public trust ledger that is uncensorable because everyone who wants to can get both a copy of a random sampling of the messages pushed to it (by p2p node gossip of the txpool) and then also a copy of the canonical state (by p2p gossip of the chain-head; the ability of nodes to fetch previous blocks by content-hash; and th…
Which they only do if they are already trustworthy. I don't trust them. At any point in the chain, a vendor/manufacturer can put whatever garbage they want on the chain because the chain can't interact with the real world, and for that reason, blockchain solves absolutely nothing in the space of supply-chain management.