A crypto trading bot is a computer application that automates the buying and selling of cryptocurrencies from exchanges. It is used by both novice and experienced traders to make their trading decisions based on market conditions and technical indicators. Crypto trading bots can be programmed to make decisions and place trades on behalf of users. Here is a nice list of them https://3commas.io/blog/best-crypto-trading-bot

Traders can use crypto trading bots to execute trades without having to manually monitor the markets. Instead, the bots can be programmed to make trades based on predetermined conditions and user-defined parameters. By using a trading bot, traders can automate their trades and optimize their profits.