While the crypto market is plummeting and research and analysis are going on and on, to make the economy better than the existing one and so the blockchain technology is getting more talked about. Every now and then, innovation of these technologies and implementations are taking place and people are looking for adopting them for the best way possible and amidst all of the things, the term ‘decentralization’ has caught attention a lot but the existing economy which emphasizes decentralization, cryptocurrency has ironically still dependent on centralized platforms of exchanges basically. The great irony is that through cryptocurrency which enabled us to do transactions peer to peer still we are dependent on a third party to exchange them.

And as of now, all these centralized exchanges charge us a trading fee and also with risk of exchange hacks. In this crypto sphere, the stories of exchanges being hacked are not new. Mt. Gox is the most famous bitcoin hack. Not only Japan-based Bitcoin exchange Mt. Gox is not the only example, so many are there such as bitfloor, Poloniex, bitstamp.  So eliminating the dependency on centralized exchanges for cryptocurrency exchange, a new technology ‘atomic swaps’ has come into existence though it’s still in budding phase and still it’s implementation has so many restriction and a lots of studies are required but before even dive into how they function and understand its fundamental core, let us tell you what exactly it is:

**What are Atomic Swaps?**

Atomic swap is a smart contract technology that allows the exchange of one cryptocurrency for another without the need to trust a third party such as centralized intermediaries, such as an exchange. Term Atomic comes from computer science which means indivisible, so atomic cross chain swaps is a method of trading between two blockchain networks without relying on the use of any third party intermediary. Atomic cross-chain trading is looking to revolutionize the way in which users transact with each other for example if one person name x owned five bitcoins but instead wanted 100 litecoins, so basically it has to be done through an exchanges i.e third party so through atomic Swaps, user x and user y are totally independent for exchanges and no need of centralized intermediaries. Atomic swaps can take place directly between blockchain of different cryptocurrencies or they can be conducted off-chain. They came into limelight, when atomic swaps between Decred and Litecoin happened in September 2017. Since then it is being adopted by several startups and decentralized exchanges such as and many more.

So as we know, exchanging cryptocurrency in today scenario is a complex process and it takes time as well. This is because of a few reasons. Not all exchanges have listed all the coins to trade. Suppose a trader wants to exchange coin for another one which is not listed in his exchange. So he may need to migrate accounts or make several conversions between intermediate coins to get the final result. There is also a counterparty risk may occur. Atomic swaps solve this problem through Hash Timelock Contracts(HTLC).  As the name mention, HTLC is a time-bound between cryptocurrency transaction parties and it uses cryptography hash functions through which verification between the parties could be done. Using a cryptographic hash function, both parties need to acknowledge the receipts of funds within a specified timeframe. Within the timeframe one of the transaction party has to confirm the transactions, if it doesn’t happen then the transaction will be voided and funds will not be exchanged and so it basically removes the counterparty risks.

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What is the Blockchain?

A block chain is a transaction database shared by all nodes participating in a system based on the Bitcoin protocol. A full copy of a currency’s block chain contains every transaction ever executed in the currency. With this information, one can find out how much value belonged to each address at any point in history.

Author: DigiXHub

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