# Standard membership with 3-key vault

## Casa's Standard membership is the easiest way to get started with multisig security.

"Multisig," short for "multisignature," is a form of digital key management that uses multiple keys to sign for the same transaction, with a minimum required portion of the keys required for sending.

Casa's 3-key vault setup offered with the Standard membership and above is a "2-of-3" multisig wallet. With the 3-key vault, you have three total keys and must sign with any two of those keys to send funds.

**What features does the Standard membership offer?**

A Standard membership features:

- Up to two 3-key BTC vaults (one main account and one subaccount)
- An optional 3-Key ETH vault
- [Casa Pay, a single-signature wallet](https://support.casa.io/knowledge/casa-pay?hsLang=en)
- World-class email support with response times under 24 hours
- Unlimited signing with the Casa Recovery Key

**How much is a Standard membership designed to secure?**

There is no minimum or maximum amount that customers can store on any of our plan levels.

That being said, we recommend the Standard membership for those holding up to $75,000 USD.

For storing amounts over $75,000 USD, we recommend that you consider upgrading your membership to **[Premium](https://support.casa.io/knowledge/premium-membership-with-5-key-vault?hsLang=en)** or becoming a **[Private Client](https://support.casa.io/knowledge/private-client-with-5-key-or-6-key-vault?hsLang=en).**

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**How much does a Standard membership cost?**

A Standard membership is $250 per year, paid annually.

**How do I get started with a Standard membership?**

You can sign up here: **[https://app.keys.casa/subscribe/standard](https://app.keys.casa/subscribe/standard)**