-T5 is Tempo's next network upgrade. It introduces an enshrined TIP-20 reserve channel precompile for MPP and similar session-based payment flows (cutting channel-open gas by up to 72% versus the legacy MPP contract), payment lane classification in consensus, DEX improvements (same-tick flip orders and persistent order IDs across flips), multihop FeeAMM routing, an on-chain `logoURI` field for TIP-20 tokens, an Implicit Approvals List for gas-efficient internal transfers, and a witness digest binding for one-signature key authorization flows.
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