DeFi → Liquidity

Also, there's no need to deposit funds into the exchange as you only need to connect your wallet to the exchange.

Without your permission, Uniswap cannot withdraw from your wallet , and for each time you want to trade or make any deposit, your have to permit the transaction in your non-custodial wallet.

We'll discuss a little bit of the technicals of Uniswap.

LIQUIDITY

For one to trade, there must be liquidity. Without liquidity, trading will be totally impossible.

What's liquidity?

Just think of it as that which allows you to buy low and sell high ...or sell high and buy low.