This tutorial is a step-by-step explanation of how to deposit & withdraw your funds. If you want to understand how the internal system of Tornado.cash works, please refer to [this tutorial](https://docs.tornado.cash/how-does-tornado.cash-work).
## **Deposit**
### Choose a chain
Tornado.cash is available on several blockchains, so you will have to choose among 4 chains:
Click on `Deposit` and store your note on a secure place before clicking on `I backed up the note`. You can also save encrypted notes on-chain by setting up a Note Account, by clicking on `Settings` (top-right corner).