KB Topic Decentralized Exchange

A DEX or DEcentralized eXchange is a smart contract that is able to swap one cryptocurrency for another.

Currently only platforms which host tokens on smart contracts are able to perform exchange functions since crosschain exchanges are not yet in production mode. For example, it's currently impossible to perform Ethereum transactions on the Bitcoin blockchain, therefore Ethereum tokens cannot be traded for Bitcoin automatically by a Ethereum smart contract (a DEX running on Ethereum).

Many crosschain transaction projects currently exist and some may go into testing soon but at the time of this writing the only decentralized exchanges available function within one same blockchain and support only the native coin and tokens from that same blockchain.

Based on Cryptocurrency Knowledge Base Topic decentralized exchange
QUANTA : Cryptocurrency Trading With Community-Driven Decentralized Exchange
QUANTA will run the first cryptocurrency exchange operating on a decentralized blockchain, where the community can extend its network, contribute to the blockchain development, and vote over coins listings, and roadmap. San Francisco, California, April 3, 2018 -- QUANTA (quantadex.com), a Silicon Valley based team comprised of members from prominent companies such as eBay, PayPal, and Netflix, is announcing that it will offer crowdsale of $50 million in QUANTA Coins. The funds will be leveraged to contin...

What is a Decentralized Exchange | CryptoCompare
CryptoCompare needs javascript enabled in order to work. Follow these instructions to activate and enable JavaScript in Chrome. Bitcoin, the first blockchain-based cryptocurrency, was created as a peer to peer payment system that allows its users to transfer value with no central authority or third party involved. Since a network of distributed and mostly anonymous miners are all in charge of processing the transactions, we are ensured that problems like censorship, fraud, and others are not possible. The automated issuance mechanism of bitcoin through mining also seeks to remove the control of money printing from privately owned banks that lend said money to governments at an interest, creating the debt-based economy that led to the crash in 2008, which in turn led to the creation of Bitcoin. However, we have become somewhat detached from the primary goal of Bitcoin, to return the control of money to its owners, and we entrust our Bitcoin with third party services daily. The most popular of these services being exchanges.

What Is a DEX Decentralized Exchanges, Explained - CoinCentral
A DEX is a decentralized exchange and is essentially a new type of pair matching that allows people to place orders and trade cryptocurrencies without an intermediary institution managing the ledger or controlling user funds. Cryptocurrencies excited a lot of people because they created a way to trade value without the need for intermediaries. Blockchain technology allows strangers to trust one another without the need for a central institution. It's an amazing technology with the potential to change the way we structure our economy and the way we think about trade. The challenge, of course, is in order to enter the ecosystem you need to purchase some cryptocurrency using a currency you already have (dollars, euros, etc). Typically, you'd do so at one of the major exchanges, like Coinbase or Kraken. However, those are both centralized institutions.

Decentralized Exchanges Aren't Living Up to Their Name  And Data Proves It - CoinDesk
Some say a decentralized exchange is an oxymoron. Perhaps not, but for now it's not much more than an aspiration. Over the past year, dozens of cryptocurrency trading platforms have marketed themselves as decentralized exchanges. While models vary, the term implies they allow users to trade on a peer-to-peer basis, and more importantly, without using a platform operated by a single entity. The main selling point is that unlike today's better-known crypto trading platforms (think Coinbase, Kraken or Binance), a decentralized exchange shouldn't require traders to store their money with a third party that can be hacked. Yet while DEX? has been a hot buzzword, it's been unclear how decentralized they actually are.

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