Extension Systems • Estimated 65m

Submarine Swaps

extension.submarine-swaps

Submarine swaps atomically bridge on-chain and Lightning balances using hashlock and timelock constructions. They enable non-custodial liquidity transitions across layers.

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Curated resources (4)

• Bitcoin Optech Topic: Submarine Swaps (article) Routing, liquidity, and trust-model considerations for swaps.
• BTC Transcripts Tag: Submarine swaps (article) Primary discussions of swap implementation and failure modes.
• Boltz Backend (article) Production swap implementation to study protocol flow in practice.
• Mastering the Lightning Network (book) Detailed treatment of cross-layer payment flows, HTLC mechanics, and swap-style liquidity movement.

Direct prerequisites (2)

• HTLCs
• Script Timelocks

Direct dependents (0)

• None

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