Multisig” is short for "multi-signature," and it means that spending funds requires more than one approval signature.

We use battle-tested, open source, pay-to-script-hash multisig technology that has been live on Bitcoin since 2012, and today is protecting over 5 million BTC. For a full explanation of how Casa uses multisig, visit our

It’s our responsibility to help you prepare for all situations, even catastrophic scenarios. In the event that Casa is ever unreachable, your funds are safe and can be accessed using open source software. We’ve designed it this way so that you can always access your coins, no matter what. We provide all clients with step-by-step instructions to make this process simple and straightforward. We call these the Casa Sovereign Recovery Instructions, and even rehearse this process upfront with our Platinum and Diamond clients.

Though there are no technical limits to the amount of bitcoin you can store with Casa, we recommend the following amounts for each membership level. Gold: $1,000 - $75,000. Platinum: $75,000 - $500,000. Diamond: over $200,000.

For Gold memberships, you can bring your own hardware device(s), download Casa App, and get started immediately. For Platinum and Diamond, Casa’s team walks you through a simple, curated setup process:

1) Receive your hardware devices in the mail.

2) Book your Key Ceremony and graduate to multisig.

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3) Ongoing security and service.