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                     |title= Decentralized Exchanges
                     |title= Decentralized exchange — Decimal Wiki
                     |titlemode= append  
                     |titlemode= append  
                     |keywords= Decentralized exchanges
                     |keywords= DEX, Decentralized exchange
                     |description= Decentralized exchanges
                     |description= DEX, or Decentralized exchange
                     }}
                     }}
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{{comment|In theory, any direct ([[P2P]]) exchange can be called a [[decentralization|decentralized]] [[transaction]]. But we are interested in platforms that copy the functions of centralized exchanges.}}
   
   
<div class="mikio-tags">
'''Decentralized exchange''', or '''DEX''' ('''''D'''ecentralized+'''EX'''change'') is an exchange that operates on the basis of a [[distributed registry]], does not store funds and personal data of users on its servers and acts only as a platform for finding matches for [[application]]s for the purchase or sale of user [[digital assets|assets]]. Trading on such platforms takes place directly between participants ([[P2P|peer-to-peer]]) without any financial intermediaries.
 
 
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== Types of decentralized exchanges ==
DEX exchanges may differ in the degree of binding to a certain [[cryptocurrency|currency]] and the range of currencies that can be traded on this site. It depends on the [[blockchain]] on which this or that decentralized cryptocurrency exchange is built.
   
   
'''''In theory, any direct (P2P) exchange can be called a decentralized transaction. But we are interested in platforms that copy the functions of centralized exchanges.'''
If it is based on a certain blockchain, for example, on [[Ethereum]], it is mainly focused on a certain currency. On such exchanges, clients are offered a limited range of assets (in this case, [[ERC-20]] [[token]]s running on the Ethereum platform).
'''Decentralized Exchange''' (DEX, decentralized exchange) is an exchange that operates on the basis of a distributed registry, does not store funds and personal data of users on its servers and acts only as a platform for finding matches for applications for the purchase or sale of user assets. Trading on such platforms takes place directly between participants ([[commoninfo:peertopeernetwork|Peer-to-Peer]] ) without any financial intermediaries.
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<span id="vidy_decentralizovannyx_birzh"></span>
= Types of decentralized exchanges =
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DEX exchanges may differ in the degree of binding to a certain currency and the range of currencies that can be traded on this site. It depends on the blockchain on which this or that decentralized cryptocurrency exchange is built.
If it is based on a certain blockchain, for example, on Ethereum, it is mainly focused on a certain currency. On such exchanges, clients are offered a limited range of assets (in this case, ERC20 tokens running on the Ethereum platform).
   
   
Other decentralized exchanges provide users with more freedom by allowing them to make secure transactions with various digital assets in their decentralized trading system.
Other decentralized exchanges provide users with more freedom by allowing them to make secure transactions with various digital assets in their decentralized trading system.
   
   
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== How a decentralized exchange works ==
<span id="kak_rabotaet_decentralizovannaja_birzha"></span>
In the case of a typical "centralized exchange", you need to transfer your money there — [[fiat]] (via bank transfer or credit/debit card) or [[cryptocurrency]]. When you transfer cryptocurrency, you no longer control it. You can trade it and you can withdraw it, but you can't spend it on the blockchain. You do not have [[private key|private keys]] to your funds, which means that when you withdraw them, you ask the exchange to sign the transaction on your behalf. When you trade, transactions do not occur in the blockchain: the exchange redistributes user balances in its own database.
= How a decentralized exchange works =
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In the case of a typical "centralized exchange", you need to transfer your money there — fiat (via bank transfer or credit/debit card) or cryptocurrency. When you transfer cryptocurrency, you no longer control it. You can trade it and you can withdraw it, but you can't spend it on the blockchain. You do not have private keys to your funds, which means that when you withdraw them, you ask the exchange to sign the transaction on your behalf. When you trade, transactions do not occur in the blockchain: the exchange redistributes user balances in its own database.
'''In decentralized exchanges''', orders are executed on the blockchain (using [[commoninfo:smartcontract|smart contracts]]), and users do not trust anyone to store their funds.
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<span id="regulirovanie_decentralizovannyx_birzh"></span>
= Regulation of decentralized exchanges =
   
   
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'''In decentralized exchanges''', orders are executed on the blockchain (using [[smart contract|smart contracts]]), and users do not trust anyone to store their funds.
   
   
== Regulation of decentralized exchanges ==
One of the main difficulties associated with the regulation of decentralized exchanges is that in most cases such exchanges are not controlled by specific legal entities or individuals.
One of the main difficulties associated with the regulation of decentralized exchanges is that in most cases such exchanges are not controlled by specific legal entities or individuals.
   
   
This leads to problems with identifying those responsible in case of any violation, difficulties with checking trading activity and identifying possible violations. For the same reason, some already existing rules applicable to centralized exchanges cannot be applied to decentralized exchanges.
This leads to problems with identifying those responsible in case of any violation, difficulties with checking trading activity and identifying possible violations. For the same reason, some already existing rules applicable to centralized exchanges cannot be applied to decentralized exchanges.
   
   
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== Advantages of DEX ==
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= Advantages of DEX =
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'''1. No identification needed'''
'''1. No identification needed'''
   
   
KYC (user verification) is mandatory on many exchanges. Some feel that this violates their privacy, while others have a problem with accessibility. Since you don't need to get permission to access DEX, no one checks your identity. It is enough to have a cryptocurrency wallet.
KYC (user verification) is mandatory on many exchanges. Some feel that this violates their privacy, while others have a problem with accessibility. Since you don't need to get permission to access DEX, no one checks your identity. It is enough to have a [[cryptocurrency wallet]].
   
   
'''2. There is no counterparty risk'''
'''2. There is no counterparty risk'''
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Tokens that are not allowed to trade on centralized exchanges can be freely traded on DEX if there is supply and demand.
Tokens that are not allowed to trade on centralized exchanges can be freely traded on DEX if there is supply and demand.
   
   
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== Disadvantages of DEX ==
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= Disadvantages of DEX =
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'''1. Complexity of use'''
'''1. Complexity of use'''
   
   
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'''2. Trading volume and liquidity'''
'''2. Trading volume and liquidity'''
   
   
The trading volume on DEX is still many times less than on centralized exchanges. But the main thing is that centralized exchanges usually have more liquidity (an indicator of how easy it is to buy or sell an asset at a reasonable price). In an illiquid market, it is more difficult to find someone who is willing to buy or sell an asset at a reasonable price.
The trading volume on DEX is still many times less than on centralized exchanges. But the main thing is that centralized exchanges usually have more [[liquidity]] (an indicator of how easy it is to buy or sell an asset at a reasonable price). In an illiquid market, it is more difficult to find someone who is willing to buy or sell an asset at a reasonable price.
   
   
DEX is still a relatively small niche, so there is not always a supply or demand for crypto assets that you want to trade. You may not find the trading pair you need, and if you do, the assets may be traded at an unfair price.
DEX is still a relatively small niche, so there is not always a supply or demand for crypto assets that you want to trade. You may not find the trading pair you need, and if you do, the assets may be traded at an unfair price.
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'''3. Fees'''
'''3. Fees'''
   
   
Fees on DEX are not always higher, but it is possible, especially if the blockchain network is overloaded.
[[Fee]]s on DEX are not always higher, but it is possible, especially if the blockchain [[network]] is overloaded.
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<span id="perspektivy_dlja_decentralizovannyx_birzh"></span>
= Prospects for decentralized exchanges =
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== Prospects for decentralized exchanges ==
There is an opinion that centralized exchanges will gradually introduce the functionality of decentralized ones, and decentralized ones will work on a friendly interface.
There is an opinion that centralized exchanges will gradually introduce the functionality of decentralized ones, and decentralized ones will work on a friendly interface.
   
   
In general, decentralized exchanges are considered the most successful solution for servicing the broad masses of cryptocurrency users. Nevertheless, the problems of scaling the blockchain, as well as the mass use of cryptocurrencies, remain 100% unresolved. In addition, in order to attract more users, decentralized exchanges will first need to solve the problem of the complexity of the user interface, and some are already doing this. Until all the problems are solved, decentralized exchanges are likely to remain a niche product.
In general, decentralized exchanges are considered the most successful solution for servicing the broad masses of cryptocurrency users. Nevertheless, the problems of scaling the blockchain, as well as the mass use of cryptocurrencies, remain 100% unresolved. In addition, in order to attract more users, decentralized exchanges will first need to solve the problem of the complexity of the user interface, and some are already doing this. Until all the problems are solved, decentralized exchanges are likely to remain a niche product.
   
   
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[[Category:Commoninfo]]
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[[Category:Economics]]
 
[[Category:Decentralized exchanges]]
 
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[[Category:Commoninfo]]
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