Bisq has pioneered Bitcoin based atomic swaps. It is currently possible to exchange Bitcoin to BSQ atomically. BSQ is Bisq's native token built as a Bitcoin coloured coin. The atomic swap protocol used by the Bisq DEX goes one step further in reducing counterparty risk: not only are users not exposed to exchange counterparty risk (since DEX holds no user funds) but it also eliminates the possibility of a buyer or seller failing to pay. The transaction is instant, automatic and final (once confirmed in a Bitcoin blockchain block). Currently only BSQ to BTC is available, but this type of swap could be done with any Bitcoin coloured coin.