In this lesson you will learn:
- Learn how a decentralized exchange (DEX) works;
 - Understand the most popular DEX;
 - Create the most popular decentralized wallet, Metamask, following the manual.
 
Complete the assignments:
1. Download and install Metamask following the instructions in the lesson.
2. Add the Binance Smart Chain (BSC) network to your wallet with parameters:
- Network name: Smart Chain
 - NEW RPC URL: https://bsc-dataseed.binance.org/
 - Network ID: 56
 - Symbol: BNB
 - Block Explorer URL: https://bscscan.com
 
3. Connect MetaMask to PancakeSwap.
4. Watch the video tutorial on how to add a new token to your MetaMask wallet in the next step.
Supplementary materials:
let’s check your knowledge
1. To start trading on a decentralized exchange, it is enough:
- To provide your personal data
 - Register
 - Create and connect a crypto wallet
 
2. Exchanges in the BSC network support the:
- TRC-20 standard
 - BEP-20 standard
 - ERC-20 standard
 
3. Smart contracts containing locked crypto assets that were provided by platform users are called:
- Liquidity pools
 - Lotteries
 - Exchanges
 
4. Uniswap is a decentralized exchange running on the:
- Ethereum network
 - Bitcoin network
 - Binance Smart Chain network
 
5. The the commission amount on decentralized exchanges directly depends on:
- Exchange tariffs
 - Number of exchange users
 - Blockchain network load