# Ethereum Mainnet

- [mAssets](/contracts/massets.md): Meta Assets (mAssets) are assets that are composed of other underlying similar assets. Currently, deployed mAssets are mUSD and mBTC.
- [imAssets (SAVE)](/contracts/imassets-save.md)
- [Feeder Pools](/contracts/feeder-pool.md)
- [Vaults](/contracts/vaults.md)
- [BoostedSavingsVault](/contracts/vaults/boostedsavingsvault.md)
- [BoostedSavingsVault V2](/contracts/vaults/boostedsavingsvault-1.md)
- [BoostedDualVault](/contracts/vaults/boosteddualvault.md)
- [Shared Addresses](/contracts/shared-addresses.md): These contracts are used in multiple other components of the mStable protocol.
- [Governance](/contracts/governance.md)
- [stkMTA](/contracts/governance/stkmta.md)
- [stkBPT](/contracts/governance/stkbpt.md)
- [Quest Manager](/contracts/governance/quest-manager.md)
- [Save Wrapper](/contracts/save-wrapper.md)