> For the complete documentation index, see [llms.txt](https://docs.btc1usd.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.btc1usd.com/part-3-how-btc1-works/1.-backed-by-bitcoin.md).

# 1. Backed by Bitcoin

Every BTC1 is secured by **at least $1.10 worth of Bitcoin** held in transparent vaults.\
That 10 % cushion keeps it safe when prices move.

> Example: Deposit $1.10 in BTC → Mint 1 BTC1