Atomic Swap


An atomic swap is a decentralized exchange mechanism that enables the direct exchange of cryptocurrencies between two parties without the need for a trusted intermediary or centralized exchange.

This process utilizes smart contracts and hash time-locked contracts (HTLCs) to facilitate trustless transactions across different blockchain networks.

How Does It Work?

In an atomic swap, both parties create a unique hash function that serves as a cryptographic key to lock the funds.

  1. The initiating party locks their cryptocurrency in a smart contract and generates a secret key.
  2. This key is then shared with the counterparty, allowing them to unlock the funds and claim the assets.
  3. Simultaneously, the counterparty locks its own cryptocurrency in a separate smart contract using the same hash function.

The HTLC ensures that the swap is either completed in full or not at all, eliminating the risk of partial transactions. If one party fails to complete the transaction within a specified time frame, the locked funds are automatically refunded to their original wallets. This mechanism effectively mitigates counterparty risk and enhances liquidity across disparate blockchain ecosystems.

Atomic swaps represent a significant advancement in decentralized finance (DeFi), promoting interoperability among cryptocurrencies while empowering users with greater control over their assets. As a result, atomic swaps contribute to the evolution of a more decentralized and efficient trading landscape.

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