TLDR Tech / Crypto
Scaling MPP Sessions to Billions of Payments Per Second
Scaling the Machine Payments Protocol to billions of payments per second will require enshrining payment channels as a precompile in Tempo, enabling batch session opens and settlements in single transactions, and migrating to ED25519 for faster signing and batch signature verification. The target is reducing session open/close costs to roughly 10,000 gas equivalent to a standard TIP20 transfer, making sessions worthwhile for any counterparty relationship involving more than two transfers. Off-chain payments within a session are unlimited, zero-fee, and bound only by CPU, with on-chain escrow handling settlement. Konstantopoulos flagged hub-based payment channel networks as the next frontier for routing payments through intermediaries.
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