> For the complete documentation index, see [llms.txt](https://docs.stakeup.finance/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.stakeup.finance/protocol/underlying-backing.md).

# Underlying Backing

StakeUp USDC, or `stUSDC` for short, is backed 100% on-chain by `USDC` and `TBY`s within the Arbitrum instance of `stUSDC`. 

To view the live backing of `stUSDC` visit [stakeup.finance/backing](https://docs.stakeup.finance/protocol/www.stakeup.finance/backing).

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