Bitlayer discusses adaptor signatures, a cryptographic technique that enables cross-chain atomic swaps by allowing conditional payments across different blockchains as an important complement to the BitVM cross-chain bridge.

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🔗 Adaptor Signatures and Its Application to Cross-Chain Atomic Swaps
Introduction With the rapid development of Bitcoin Layer2 scaling solutions, the frequency of cross-chain asset transfers between Bitcoin and its corresponding Layer2 networks has significantly increased.