The "marketplace vs protocol" distinction matters more than people realize.
Marketplaces extract value from users. Protocols enable users to extract value.
Zinch is the second kind.
Most "escrow on Solana" projects are marketplaces with extra steps.
Zinch is a protocol - a thin trust layer that slots into the conversation where the deal is already happening.
You won't log into Zinch. You'll send a link.