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And it needs an escrow model that does not let one party quietly hold and walk off with the money. Anubis and Nexus meet that last point with 2-of-3 multisig escrow, where any two of three keys are needed to release funds. Osiris meets it a different way: it is walletless, so there is no central wallet sitting on a pile of buyer deposits, and money flows straight into direct buyer-to-vendor escrow instead.