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A txHash Is a Bearer Token — We Bound Ours to the Wallet That Paid

This story is from 2026-10-08. It is preserved in the archive; the latest stories are on the live feed.

A txHash Is a Bearer Token — We Bound Ours to the Wallet That Paid On Arc's self-settle payment rail the buyer broadcasts the USDC transferWithAuthorization themselves and hands the server the transaction hash as proof. Convenient — and a bearer credential: the txHash sits in the public mempool bef…

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  1. 2026-10-08 20:08 · DEV Community — AI
    A txHash Is a Bearer Token — We Bound Ours to the Wallet That Paid

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