> ## Documentation Index
> Fetch the complete documentation index at: https://docs.groundtech.co/llms.txt
> Use this file to discover all available pages before exploring further.

# Choose an implementation

Ground exposes the same yield sources through three implementations. The right one depends
on your stack.

| Implementation | Who holds the balance | Best for |
| - | - | - |
| [Portfolio Wallets](https://docs.groundtech.co/docs/portfolio-wallets/introduction.md) | Your organization, in provisioned wallets | Building an earn product from nothing. |
| [MicroVaults](https://docs.groundtech.co/docs/microvaults/introduction.md) | Multiple approved wallets, as ERC-20 shares | Building an earn feature into an existing wallet product. |
| [gTokens](https://docs.groundtech.co/docs/gtokens/introduction.md) | Your users, in their own wallets | Getting easy, one-click access to our RWA yield products. |

> [!NOTE]
>
> MicroVaults are in private preview for enabled sandbox organizations on Ethereum Sepolia.
> Production and Ethereum mainnet are not yet supported.


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