Bifrost is a Bitcoin-focused protocol stack associated with RGB and client-side validation, providing transport and interoperability for off-chain smart-contract state. In the RGB ecosystem it handles the peer-to-peer exchange of consignments and validation data so that asset and contract state can move between parties without publishing it on-chain. By keeping contract data client-side, it preserves Bitcoin’s scalability and privacy while enabling rich asset issuance.
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- Because RGB keeps smart-contract state off the Bitcoin chain and validates it client-side, peers must reliably share consignments and proofs. Bifrost provides this communication layer, enabling private, scalable asset issuance anchored to Bitcoin UTXOs without bloating the base chain.