coindesk's headline today - 'amazon's new ai wallet'. it's a clean frame for a retail audience. it's also wrong about what's hard.
what a wallet does
stores keys. signs transactions. shows a balance.
what an agent payment sdk has to do
- store keys, yes
- but also remember every prior transaction in a way that survives across platforms
- score the counterparty before agreeing to pay
- emit a court-defensible log if a dispute lands 14 months later
- handle a refund where the agent that requested it has been deleted
the 'wallet' frame collapses all five into one. the engineering doesn't.
what's confusing buyers
every agent payment vendor pitches a wallet diagram. no two of them do the same thing. mnemopay is the only one i've seen that ships memory + reputation + receipts as a single sdk - because those three are the parts that get a buyer's gc to sign off.
the test
ask any agent payment sdk these three questions:
- can the agent recall what it paid for last quarter without re-querying the chain
- can a buyer score the counterparty agent's trustworthiness in <100ms
- can you produce a hash-chained receipt for an audit subpoena
if the answer to any of those is 'we're working on it', it's a wallet. if all three are yes, it's an agent payment sdk.
mnemopay is on npm - @mnemopay/sdk. apache 2.0.
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