DeTrading

DeTrading builds atomic swaps between Bitcoin and Fractal without a custodian at any point. Neither chain supports smart contracts, so the team relies on adaptor signatures: both sides lock assets into multisignature addresses, and when one party claims, a secret is revealed on-chain that automatically satisfies the other party's claim, so the trade either completes whole or not at all.

Time locks cover the failure path, letting each side recover its locked assets after an agreed window without cooperation. Beyond native BTC and FB, the protocol handles isomorphic assets such as BRC-20, Runes and CAT20. An asynchronous mode exists for convenience, where the platform holds signatures and drives the flow, which raises the trust assumption accordingly. The synchronous mode asks the user to stay online through the two claim steps, while the asynchronous mode has the platform hold signatures and drive the flow.