# Fundamentals

- [$AGIO the token](/agio-docs/fundamentals/usdagio-the-token.md): Value accrual for $AGIO
- [Value accrual for $Agio holders](/agio-docs/fundamentals/usdagio-the-token/value-accrual-for-usdagio-holders.md)
- [Staking $AGIO to earn protocol fees in USD or ETH with a yield redirection mechanism](/agio-docs/fundamentals/usdagio-the-token/value-accrual-for-usdagio-holders/staking-usdagio-to-earn-protocol-fees-in-usd-or-eth-with-a-yield-redirection-mechanism.md)
- [Sudden total claim](/agio-docs/fundamentals/usdagio-the-token/value-accrual-for-usdagio-holders/sudden-total-claim.md)
- [Shielding pools](/agio-docs/fundamentals/usdagio-the-token/value-accrual-for-usdagio-holders/shielding-pools.md)