Description
Casa is a self-custody platform that enables individuals and organizations to secure Bitcoin, Ethereum, USDC, and USDT using multi-key vaults. Instead of relying on a single hardware wallet or a third-party custodian, Casa distributes signing authority across multiple devices and locations — eliminating single points of failure.
How it works:
- Multi-Key Vaults — Standard offers a 3-key vault (2 required to sign); Premium offers a 5-key vault (3 required to sign)
- Self-Custody — Users retain full control of their private keys at all times; Casa never holds, controls, or transmits customer funds
- Key Recovery — Casa holds one Recovery Key as an emergency backup, with guided replacement if a key is lost or stolen
- Sovereign Recovery — Users can recover bitcoin independently using open-source software outside the Casa app
Key Features:
- Inheritance Planning — Grant trusted recipients access to your vault, ensuring generational wealth transfer
- Dedicated Support — Standard includes email support; Premium includes video onboarding, 24/7 emergency assistance, and a welcome package with hardware devices
- Shared Accounts — Co-manage assets with a trusted family member (Premium)
- Buy & Sell — In-app trading with low fees
- SOC 2 Compliant — Independently audited security controls
Use Cases:
- Individual Bitcoiners seeking secure self-custody beyond a single hardware wallet
- Families planning inheritance of digital assets
- High-net-worth individuals with significant holdings
- Business bitcoin treasuries requiring collaborative custody
Highlights
Pros
- Sovereign Recovery enables users to recover funds independently using open-source software outside the Casa app, even if the company ceases to operate.
- SOC 2 compliant with independently audited security controls and registered with FinCEN as a Money Services Business.
- Multi-key vaults distribute signing authority across multiple devices and locations, eliminating single points of failure from hacks, device failure, and natural disasters.
- Built-in inheritance planning allows users to grant trusted recipients access with a six-month waiting period and notification system, ensuring generational wealth transfer.
- Rated 4.9 out of 5 on the App Store with over 1,200 reviews, praised for ease of use and peace of mind by a wide range of users.
Cons
- One key in the multisig setup is a hot key encrypted and backed up to the cloud (iCloud/Google Drive), which some security experts consider a privacy and attack-surface risk.
- Does not support Replace-by-Fee (RBF), meaning transactions sent with insufficient fees can become stuck in the mempool with no way to rebroadcast.
- Standard plan lacks guided onboarding, requiring users to set up the multisig vault themselves without personal assistance from a Casa advisor.
- Supports Ethereum and stablecoins in addition to Bitcoin, which Bitcoin-only users see as an unnecessary expansion of attack surface beyond a single-asset focus.
- Casa holds one recovery key in its custody as part of the collaborative custody model, requiring users to trust Casa not to collude with an attacker or government.