What Are Crypto Exchanges and How Do They Work?

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Contributor, Benzinga
June 20, 2024

Crypto exchanges are online platforms for trading or holding cryptocurrencies, and some provide advanced features like margin trading or futures contracts.

crypto exchange

Curious about buying cryptocurrency but not sure where to start? Crypto exchanges serve as your gateway into this expanding digital realm. Think of a marketplace where you can buy, sell, and trade Bitcoin, Ethereum, and other digital assets. Unlike traditional stock exchanges, crypto exchanges generally operate decentralized. This guide dives into crypto exchanges, explaining their work and the available types.

What Is a Cryptocurrency Exchange?

If you consider buying Bitcoin or other digital currencies, crypto exchanges are your launchpad. These online platforms, like stock exchanges, allow you to buy, sell, and trade cryptocurrencies like Ethereum or Tether. Accessible via mobile apps or desktops, they offer a user-friendly experience for beginners and seasoned investors. Beyond basic crypto trading, some exchanges provide advanced features like margin trading or futures contracts. They charge fees based on transaction volume or trade type to provide these services. Before exchanges, acquiring crypto was limited to mining or niche online forums. Today, hundreds of exchanges offer diverse currencies with varying security and fee structures. While traditional markets have seen fee reductions, crypto trading generally costs more. The ideal exchange will provide a smooth experience, competitive fees, and robust security to safeguard your digital assets.

How Does a Crypto Exchange Work?

Crypto centralized and decentralized exchanges are a recent innovation facilitating cryptocurrency trading. Imagine them as online marketplaces connecting buyers and sellers of digital assets like Bitcoin, Ethereum, or Dogecoin. If you're interested in buying or selling crypto in the U.S., enrolling on a crypto exchange is the first step. This typically involves registering and completing a KYC (Know-Your-Customer) verification process. Once verified, you can deposit funds (Indian Rupees or other digital currencies) and start trading.

Here's how to buy your first cryptocurrency:

  1. Choose a reliable exchange: Research and select a reputable platform offering a secure transaction environment.
  2. Register and open an account: Provide details to create an account with the chosen exchange.
  3. Fund your account: Deposit USD or transfer existing cryptocurrency to your account.
  4. Select your purchase: Choose the cryptocurrency you want to buy (e.g., Bitcoin) and specify the amount (e.g., USD 1000 worth).
  5. Complete the transaction: Follow the exchange's instructions to finalize your purchase.
  6. Verify your transaction: Review your account to confirm the successful purchase of your chosen cryptocurrency.
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Types of Cryptocurrency Exchanges

Here are the most known types of crypto exchanges:

Centralized Exchanges (CEX)

Centralized crypto exchanges (CEXs) act like middlemen in crypto trading, similar to stock exchanges for digital assets. Popular platforms include Binance and Coinbase. Investors can buy and sell crypto at current prices (spot) or set limit orders that trigger at a desired price. CEXs operate using an order book system that lists buy and sell orders based on price. The exchange's matching engine then pairs buyers and sellers based on the best price and desired amount. This system sets the price of crypto based on supply and demand compared to other currencies or fiat money. CEXs also control which digital assets can be traded, offering some comfort as they might exclude less reputable ones.

Advantages

  • Great liquidity.
  • Recovery of the user's fund is possible.
  • Able to handle transactions faster.

Disadvantages

  • Easier for hackers as CEX stores valuable user data across centralized servers.
  • Have been charged with manipulating trading volume in the past.

Decentralized Exchanges (DEX)

Decentralized Exchanges (DEXs) like Uniswap and dYdX are another option. Unlike centralized exchanges, DEXs connect buyers and sellers directly without a middleman. DEXs rely on smart contracts and automated blockchain code for secure peer-to-peer transactions. DEXs often offer more privacy and lower fees but require more knowledge due to the lack of a central authority to manage disputes.

Advantages

  • Full custody of their funds.
  • More security and privacy.
  • Distributed hosting reduces the risk of cyberattacks.

Disadvantages

  • Low liquidity.

Hybrid Exchanges

Hybrid exchanges offer a mix of centralized and decentralized features. Like centralized exchanges, they match orders quickly for efficient trading. However, unlike them, hybrid exchanges store users' crypto assets directly in their wallets, similar to DEXs. This means users retain control and can withdraw funds freely. Hybrid exchanges combine the speed of centralized systems for order matching with user control over assets, akin to DEXs.

Advantages

  • Provides the strengths of both DEX and CEX.
  • Provides a high level of privacy.
  • Closed ecosystem
  • Protection of privacy while communicating with shareholders.

Disadvantages

  • Relatively a very new concept.
  • Do not have much volume to date.

How to Choose a Cryptocurrency Exchange

Here are the key factors every investor must look for in order to choose the right crypto exchange:

  1. Cryptocurrency rules differ by country. So, before choosing an exchange, ensure it operates in your location. Some exchanges have different websites depending on the region (e.g., exchange.com vs. exchange.us).
  2. New to crypto? Start with an exchange that's simple and user-friendly. Some platforms offer basic interfaces or beginner-friendly modes to avoid overwhelming charts and complex features. Look for clear layouts and easy-to-understand options.
  3. For smooth trades, choose an exchange with high liquidity. This means many buyers and sellers allow you to buy and sell crypto easily whenever you want. Low liquidity can make it difficult to find trading partners and worsen price swings in volatile markets.
  4. Not all exchanges offer every crypto. Popular coins like Bitcoin and Ethereum are widely available, but rarer ones might be trickier to find. Make a list of the cryptos you're interested in and check which exchanges offer them before you choose.
  5. Crypto exchanges can be hacked, so it's important to pick one with a strong security record. Look for exchanges that have been around for a while, as established exchanges are more likely to have robust security measures. When evaluating security features, consider whether the exchange uses cold storage to keep most user funds offline and inaccessible to hackers. Also, check if they use multi-signature wallets, which require multiple approvals to access funds, adding an extra layer of security.
  6. Crypto exchanges charge fees, so pick one with low costs! Some exchanges even offer discounts for holding their own special tokens.
  7. Choose an exchange with helpful customer support! New investors often have questions, and issues can arise. Crypto moves fast, so waiting days for help can be costly. Look for an exchange with a good reputation for quick and responsive customer service.
  8. Most exchanges trade actual crypto (spot trading). However, some are derivatives exchanges, where users trade contracts based on crypto's future price, not the actual coin itself. This can be riskier, as leverage (using borrowed funds) is sometimes allowed, amplifying potential gains and losses.
  9. Consider withdrawal limits! Even if you plan to hold long-term, some exchanges limit daily withdrawals (e.g., $25,000). Choose an exchange with withdrawal amounts that suit your needs.
  10. Choose a transparent exchange! Look for clear info on fees, transaction times, security, and jurisdictions. Avoid shady exchanges!

How Is a Cryptocurrency Exchange Different from a Cryptocurrency Wallet?

Here is how a cryptocurrency exchange is different from a cryptocurrency wallet.

Cryptocurrency ExchangesCryptocurrency Wallets
Best for trading and exchanging cryptocurrenciesBest for Secure storage of cryptocurrencies
Use-case includes buying, selling, and trading cryptocurrencies with other users or the platformUse-case storing, sending, and receiving cryptocurrencies without intermediaries    
Security varies (higher risk of hacks); the platform controls the private keysMore secure (especially with hardware wallets); control over private keys  
Custodial control, with the exchange managing your fundsFull control over your assets and private key
User-friendly interfaces, easy for beginnersRequires some technical knowledge for setup and use
Charge trading fees, withdrawal fees, and sometimes deposit feesCharge low to none for holding; network fees for transactions      
Highly liquid, as exchanges facilitate instant buy/sell orders based on market liquidityLiquidity depends on the user's own assets; not directly relevant

Analyzing What Crypto Exchanges Are and How Do They Operate

Crypto exchanges, centralized and decentralized, are the gateways to buying, selling, and trading cryptocurrencies. Choosing the right exchange depends on your experience level, security needs, and desired features. For beginners, user-friendly interfaces and educational resources are important. Security-conscious investors should prioritize established exchanges with robust features like cold storage and multi-signature wallets. Regardless of your preferences, always compare fees, withdrawal limits, and customer support options before selecting an exchange. By carefully navigating this landscape, you can find a platform that empowers you to participate confidently in the exciting world of digital currencies.

Frequently Asked Questions

Do crypto exchanges make money?

Yes, crypto exchanges make money in return for the facilities they provide, including trading fees, margin trading, market making, market data, and loyalty tokens.

What is the safest crypto exchange?

Coinbase is considered to be the safest crypto exchange.

What are examples of crypto exchanges?

Coinbase, Uphold, eToro and Robinhood are recommended examples of crypto exchanges.

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Ishan Jain

About Ishan Jain

Ishan Jain is a technical enthusiast with a knack for financial analytics and trading. Ishan primarily works on AI algorithms, business development, and software engineering for his ventures and side projects, and he produces Web3 content for Benzinga. Ishan has been involved in DeFi in a variety of ways, including heading a project at a crypto asset investment firm along with leading a blockchain security research project.