# Flash Loans

A flash loan is borrowing cryptocurrency for a very short period, sub-minutes to several seconds. No collatoral is required, but you pay back a 0.09% fee.

Used for arbitrage, and also [attacks](https://www.theverge.com/2022/4/18/23030754/beanstalk-cryptocurrency-hack-182-million-dao-voting)

## Links

* [What is Aave Lend](https://www.kraken.com/en-us/learn/what-is-aave-lend)