> For the complete documentation index, see [llms.txt](https://docs.ciondigital.com/en/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ciondigital.com/en/fundamentals.md).

# Fundamentals

- [General Information](https://docs.ciondigital.com/en/fundamentals/general-information.md)
- [Supported Countries](https://docs.ciondigital.com/en/fundamentals/general-information/supported-countries.md)
- [Cryptocurrencies & Rates](https://docs.ciondigital.com/en/fundamentals/general-information/cryptocurrencies-and-rates.md)
- [Cryptocurrency Wallet Management](https://docs.ciondigital.com/en/fundamentals/general-information/cryptocurrency-wallet-management.md)
- [Network Fees](https://docs.ciondigital.com/en/fundamentals/general-information/network-fees.md)
- [Architecture](https://docs.ciondigital.com/en/fundamentals/architecture.md)
- [Setup](https://docs.ciondigital.com/en/fundamentals/setup.md)
- [Bank Accounts](https://docs.ciondigital.com/en/fundamentals/setup/bank-accounts.md)
- [Crypto Wallet](https://docs.ciondigital.com/en/fundamentals/setup/crypto-wallet.md)