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03 Jul 2026

Building Stablecoin Payments at Scale | Justin Gainsley (Coinbase) at ETHConf

Building Stablecoin Payments at Scale | Justin Gainsley (Coinbase) at ETHConfIn this talk, Justin Gainsley, who leads stablecoin payment acceptance at Coinbase, shares what four years of building stablecoin payments at scale has taught him about selling to enterprises and payment service providers, and what still needs to be accomplished. He opens with a 2012 Hacker News post from Coinbase founder Brian Armstrong, written before he even applied to Y Combinator, expressing the idea of using crypto to remove the 2 to 3% interchange tax Visa and Mastercard charge on every payment, showing crypto as a payment method has been ingrained in Coinbase from the start. Taking over Coinbase Commerce with the same mandate, Justin’s team tried nearly everything (Bitcoin payments, every token on every chain, memecoins, cashback, point of sale, invoicing, online checkout) but noth

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Filed Under: Merchants Tagged With: alternative, and, armstrong, auth, base, brian, capture, disputes, enterprise, interchange, mastercard, method, operator, payment, providers, reclaim, reconciliation, service, settlement, shopify, visa

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