> For the complete documentation index, see [llms.txt](https://faqs.7-oceans.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://faqs.7-oceans.org/the-7oceans-coin/what-is-a-coin.md).

# What is a coin?

A crypto or cyber currency is digital money. Cryptography is the science of encrypting information. Digital currencies are based on this principle.