# Financial Services

Resources for buying and selling bitcoin, accessing Casa’s OTC desk, and learning about upcoming lending and financial tools.

## Getting started with Buy/Sell

- [What is the Buy/Sell feature in Casa?](https://support.casa.io/knowledge/buy-sell-overview)
- [Permitted and restricted jurisdictions](https://support.casa.io/knowledge/zerohash-permitted-and-restricted-jurisdictions)
- [How do I open a Zero Hash account in Casa?](https://support.casa.io/knowledge/buy-sell-open-account)
- [Buy/Sell fees explained](https://support.casa.io/knowledge/buy-sell-fees)

## Funding your account

- [How to link your bank account (ACH)](https://support.casa.io/knowledge/buy-sell-link-bank-account)
- [How to deposit cash via ACH](https://support.casa.io/knowledge/buy-sell-deposit-ach)
- [How to deposit cash via wire transfer](https://support.casa.io/knowledge/buy-sell-deposit-wire)
- [How to withdraw cash via wire transfer](https://support.casa.io/knowledge/buy-sell-withdraw-wire)
- [How to withdraw cash to your bank account (ACH)](https://support.casa.io/knowledge/buy-sell-withdraw-ach)

## Buying, selling & transferring crypto

- [How to buy crypto](https://support.casa.io/knowledge/buy-sell-buy-crypto)
- [How to set up recurring buys](https://support.casa.io/knowledge/buy-sell-recurring-buys)
- [How to sell crypto](https://support.casa.io/knowledge/buy-sell-sell-crypto)
- [How to transfer crypto to your Casa vault](https://support.casa.io/knowledge/buy-sell-transfer-to-vault)

## Casa Financial OTC Desk

- [How to set up Signal on your phone](https://support.casa.io/knowledge/how-to-set-up-signal-on-your-phone)

## Troubleshooting

- [Why is my Zero Hash account locked or not approved?](https://support.casa.io/knowledge/buy-sell-account-issues)
- [Why did my bank account connection fail?](https://support.casa.io/knowledge/buy-sell-bank-connection-troubleshooting)