What are atomic swaps?

Atomic swaps are also called cross-chain atomic swaps. An atomic swap is a cryptocurrency exchange between two parties that wish to exchange tokens from different blockchains. Atomic swaps are helpful if you only have one cryptocurrency but need to use another in a transaction.

What does T atomic_exchange do?

T atomic_exchange (volatile A* obj, T val) noexcept;T atomic_exchange (A* obj, T val) noexcept; Replaces the value contained in obj with val and returns the value obj had immediately before.

Why do we need special wallets to conduct an atomic swap?

Special wallets or exchange services are needed to conduct an atomic swap because the technique is still being developed and refined. Each cryptocurrency is supported by a blockchain, designed only to accept transactions in specific tokens. For example, Bitcoin (BTC) has a blockchain, and ETH (ether) has another.

How does atomic synchronization work?

2) Atomically replaces the value pointed to by obj with the value of desr and returns the value obj held previously, as if by obj->exchange(desr, order) the memory synchronization ordering for this operation: all values are permitted. The value held previously by the atomic object pointed to by obj