AbstractWe introduce Mangata, a master-rollup interchain infrastructure for native cross-chain swaps. It leverages zero-knowledge proofs, decentralized sequencers, and two novel mechanisms for trustless cross-chain communication: proof of finality and rolldowns. The master-rollup provides a trust- and risk-minimized architecture compared to traditional bridges and avoids centralized parties or additional layers of economic security. It includes escape hatches in its framework and describes a ...