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Building umbral: an FX agent that refuses on purpose

I built an agent that converts USDT into Argentine pesos, Brazilian reais and a few other LatAm currencies on Celo, and is designed to say no most of the time. This is the long version: why refusals beat conversions, how the money path works without CELO in the wallet, what the ledger actually guar…

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  1. 2026-11-14 18:09 · DEV Community — AI
    Building umbral: an FX agent that refuses on purpose

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