Sorry but I still see blockchain as a solution in search of a problem
this post was submitted on 23 Jun 2023
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Take blockchain and flush it down where it belongs.
The tech is fine and actually pretty exciting. The shit coins need to go. I think we should separate the two concepts IMHO.
Crypto currency was perhaps one of the biggest mistakes of the last 20 years
IMO what you're really describing is a cryptographically secure way to signify that I am the person you think I am. Some sort of PGP implementation within user profiles would be really interesting. Posts and comments could be signed by a key. Then, assuming you trust my home instance because of https certificates, your client could look up my PGP key directly from my profile and verify the signature to confirm that a rogue instance hadn't impersonated me.
It's not blockchain but I actually think that would be a really cool feature.
You could create an ED25519 keypair, then with each post, produce a sha256 hash of the post, create a signature of the hash using your private signing key, then include the signature with the post. Anyone could easily verify the signature with the verify key. You could add the verify key to a personal site or something.
Decentralization is the opposite of a Univeral ID.
True, and yet a blockchain has the seemingly paradoxical nature of being decentralized as well as universal (presuming everyone uses the same blockchain of course). But it's still decentralized in that no one company or entity controls all of it.
Agreed. Also the added benefit of the blockchain is that there is only one instance, so there is no homeserver for users.
Have you looked at Nostr? It is based on public and private key pairs used for encryption. The public key serves as your ID. The UI is similar to Twitter and it allows for Lightning payments which are referred to as Zaps, i.e if you like the post, you can send the poster Satoshis. It also allows for DMs. Some clients provide a group chat feature.