What Is Atomic Swap?

What Is Atomic Swap?- Everything You Need To Know!

Read this article till the end to clear all your doubt regarding the query of what is atomic swap.

Centralized exchanges are mediators between users during crypto trades. They help the users to trade between different cryptocurrencies existing in distinct blockchains.

These exchanges have many threats to face. This marked the way to a new technology called Atomic Swap.

What Is Atomic Swap?

An atomic swap is a peer-to-peer exchange of cryptocurrencies without passing through any third-party exchange.

Atomic swaps provide a solution to numerous issues that centralized exchanges confront, including the following:

What Is Atomic Swap?
  • Threat from Hacking: Centralised exchanges often falls victim to hackers. Hackers are taking massive numbers of cryptocurrencies. This causes a lot of financial damage to the users as well as the exchanges.
  • Government Regulations: As exchanges are physical entities situated in a particular country, they are registered under the government of that country. They must therefore adhere to all laws and regulations.
  • Mismanagement Threats: A group of people is in charge of running exchanges. The inefficiency of this group of people can also cause a great loss to the crypto community.
  • Market Demand: Exchanges are not proportional to sudden changes in market demands.

The atomic swap was first introduced by Tier Nolan in 2013. He introduced it as a new technology that makes cross-blockchain cryptocurrency exchange easier

Charlie Lee, the creator of Litecoin, successfully executed the first atomic swap in 2017 by exchanging Litecoin for Bitcoin.

Atomic Swaps uses Smart Contract technology to make exchanges possible. This technology allows users to trade coins directly from their personal wallets.

Working of Atomic Swap

Atomic swaps use Hashed timelock contracts or HTLC to make transactions. HTLC uses two keys for transactions which are:

  • HashLock Key: This key ensures that currency exchanges only take place when all parties have signed contracts.
  • TimeLock Key: This is a safety mechanism that returns the currencies to their initial owners if the transaction is not completed in a specified time period.

If user A needs to trade Ethereum for Bitcoin with user B, First user A creates an HTLC address and deposits Ethereum into it.

The creation of pre-image, a hidden passcode, follows that. This locked pre-image is sent to user B. User B subsequently verifies that the given value of cryptocurrency is available in the address.

He can only unlock the address after creating another address and depositing Bitcoin of the same value.

The second HTLC address has the same secret key as that of the first one. Thus both the users can claim their currencies at the same time and thus a swap occurs.

Advantages of Atomic Swap

  • Decentralized nature: There is no need for a mediator so that inter-blockchain swaps can be done even without trusting each other.
  • Increased level of security: The users don’t need to give funds to an exchange or external agency.
  • Less operational cost: As there are fewer trading fees, an Atomic swap is more economical.

Limitations of Atomic Swap:

Atomic Swaps are only possible under certain circumstances. They are:

  • Only currencies whose blockchains use the same hashing method are able to conduct atomic swaps.
  • The blockchains should also be compatible with HTLC.

Even though the atomic swap has limitations, they provide a better opportunity to make trading easier.

The use of decentralized exchanges can make a lot of changes in the crypto world including more secure trading and increased value.

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