Rewritten to be read outside the feed, in three languages. The canonical always points here.
One architecture uses the chain as a data source, the other as a notary. They solve opposite problems and fail in opposite ways. Most pitches confuse the two.
The ledger stays in the client's database. Thirty-two bytes go on chain. The four steps, and the part nobody mentions: what they don't prove.
It solved a problem most companies didn't have yet. Then AI agents started touching real money, and the question changed.
Not the data. The fingerprint. And that difference is the whole design.