USDC payment processing in Coinbase Commerce

Using non-custodial smart contracts to process ERC20 payments at scaleTable of Contents— Intro?—?How Coinbase Commerce works?—?30k foot overview?—?Non-custodial by design?—?Naïve solution?—?Forwarding contracts?—?Reducing transaction sizes?—?Optimizing for off-chain whenever possible?—?Minimizing deployment costs?—?ConclusionCoinbase Commerce’s mission…