support-casa-io/
310 pages · Updated July 27, 2026
Pages
- QR code backups for Mobile Key and Pay Key
- Where to purchase a Keystone device
- Setting up Keystone for use with Casa
- Subaccounts in the Casa app
- Signing a transaction with Keystone
- Hardware key
- Adding Keystone to your Casa vault
- Performing a health check with Passport
- Adding Passport to your Casa vault
- Casa Pay
- Signing a transaction with Passport
- Page not found | Help Center
- How to set up Trezor Safe 3 for your Casa vault
- Which hardware device should I use with Casa?
- How to set up Passport Batch 2 for your Casa vault
- How to Migrate Your Ledger Key to a Hardened Derivation Path
- Setting up Ledger Nano S + for use with Casa
- Coldcard troubleshooting
- How to set up Passport (Founders Edition) for your Casa vault
- How to set up Trezor One for your Casa vault
- Adding Coldcard to your Casa vault
- Signing a transaction with Ledger
- How to perform a health check with Coldcard
- Trezor troubleshooting
- Where to purchase a Passport device
- Where to purchase a Ledger device
- How to sign with a hardware device without email access
- Signing a transaction with Coldcard
- Setting up Trezor Model T for use with Casa
- (Advanced) Using Casa with a Mostly Seedless Setup
- What does airgapped mean?
- How to send from Trezor to Casa
- How to update your hardware device firmware safely
- What is a seed phrase?
- Ledger and Hardened Derivation Paths: what changed and what It means for your vault
- Hardware device life cycle and degradation
- Adding Trezor to your Casa vault
- Adding Ledger to your Casa vault
- How to check the Coldcard Ypub
- Performing a health check with Trezor
- How to migrate a hardware key to a Yubikey
- Signing a transaction with Trezor
- How to send from Ledger to Casa
- Trezor Suite
- QR code signing in Casa vaults
- How to perform a health check with YubiKey
- How to use the BTC recovery app on Ledger
- YubiKey troubleshooting
- How to duplicate Your YubiKey
- Ledger Bitcoin App and firmware guide
- Where to purchase your hardware device
- Troubleshooting hardware device issues — where to start
- Performing a health check with Ledger
- How to check your YubiKey firmware version
- Setting up YubiKey for use with Casa
- Restoring a hardware device using the backup seed phrase
- Can I use Bluetooth with Ledger Nano X?
- How to safely obtain and store your seed phrases
- Where to purchase a Coldcard device
- Setting up Coldcard for use with Casa
- Where to purchase a Trezor device
- Hardware devices and keyset diversity
- Dongles and connector cables for your hardware device
- Sovereign Recovery for bitcoin vaults via Electrum
- Creating a watch-only bitcoin wallet in Electrum
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- Sovereign Recovery for bitcoin vaults via Sparrow Wallet
- Supported platforms and hardware device firmware
- What happens to my funds If Casa shuts down?
- March 2025 update to ETH vault Sovereign Recovery
- Emergency Lockdown (Standard)
- Sweeping bitcoin paper wallets to the Casa app
- Sovereign Recovery for ethereum vaults
- Shared accounts
- Wallet Descriptors for Sovereign Recovery
- Creating a watch-only bitcoin wallet in Specter
- ETH Pay Wallet Relay
- Sovereign Recovery for BTC Pay
- Consolidating UTXOs
- How to withdraw from Coinbase
- Connecting Casa vaults to your bitcoin node
- Replacing your mobile key with a second hardware key
- What to do If you lost or broke your phone
- The Casa app and open-source software
- 6th key
- Testnet bitcoin (TBTC)
- Relay types for ethereum vaults
- Casa Relay fees
- How to withdraw from Kraken
- How to verify your Casa Recovery Key
- Unconfirmed transactions from the Casa app
- Creating watch-only wallets (general)
- ETH Pay Relay fees
- Non-standard Android operating systems
- How to withdraw from Binance.US
- Resetting Casa Recovery Key questions for 3-key vaults
- Depositing (adding funds) to your Casa vault
- Testnet ethereum (TETH)
- Choosing your 3-key vault setup
- How to manage UTXOs in the Casa app
- How to move funds between Vaults and subaccounts in your Casa app
- What is a health check and why does It matter?
- TOTP 2-Factor Authentication (2FA) in the Casa app
- Emergency Lockdown (Premium, Private Client, Enterprise)
- Mobile key
- Casa Pay vs. your vault: what's the difference?
- Transitioning to a new iPhone
- Transitioning to a new Android phone
- Exporting the seed phrase for the Mobile Key or Casa Pay
- Saved Addresses
- Saving your public keys
- How to resolve "Unable to Locate Mobile Key Backup" in Casa app for iOS devices
- Sending from specific addresses
- Troubleshooting Mobile Key issues
- Casa Recovery Key
- Download Transaction History (.csv)
- Overview of the Casa app
- Bitcoin wallet "change" addresses
- Troubleshooting missing emails
- Understanding quantum-resilience for your Casa vault safety
- Transaction memos
- Invoices in the Casa app
- How to receive ERC-20's
- Whitelisting an address at an exchange
- Guided vs. manual recovery transactions
- Finding what you need - shortcuts
- What is the Casa app?
- What to do after replacing a key
- Where to download the Casa app
- AML / KYC
- Status page
- Team signing
- Ledger wallet registration
- Moving to a new home (and your Casa keys)
- How to secure and send bitcoin ordinals and inscriptions
- Contact Support
- How to do a key rotation when you're holding an ordinal or inscription in your Casa vault
- What is a bitcoin wallet?
- Sending funds using ETH Pay Wallet Relay
- How to detect and avoid crypto scams - What Casa will and won't do
- Ledger troubleshooting
- What is the Lightning network?
- Protecting Yourself from Social Engineering Scams
- What are ordinals and inscriptions?
- Can I send NFTs, ERC-20, or other tokens to the Casa app?
- Viewing your ETH transaction on Etherscan
- Static channel backup recovery
- Why you need a password manager and how to set one up
- What is multisig? (multi-signature)
- Casa Node funds recovery guide
- Using Casa for a self-directed IRA
- Ethereum network fees
- What's the best way to secure my bitcoin?
- What is a Stablecoin?
- Using Passkeys for your Casa 2FA
- How is bitcoin secured?
- Types of ethereum addresses
- How much is ether worth?
- How many ether are there?
- Key rotation: replacing a key in the Casa app
- Bitcoin network privacy
- What is an ethereum wallet?
- Is bitcoin anonymous?
- Can governments ban bitcoin?
- How much is bitcoin worth?
- How many bitcoin are there?
- What is cold storage?
- Can bitcoin be hacked?
- The "Casa Security Briefing" newsletter
- What is bitcoin?
- Who is the CEO of bitcoin?
- Real-world identity privacy and recovery transactions
- Wealth Security Protocol
- Internet privacy
- Is bitcoin legal?
- Adding YubiKey to your Casa vault
- How to Identify Suspicious Emails from Casa
- Casa Domain Change
- Sovereign Recovery (sending funds outside of Casa) - overview
- FAQs: Vault Owner
- Physical address privacy
- General security considerations
- Official Casa Owned Domains
- Faraday bag
- Enhanced Account Security: Verification Codes
- lopp.net
- Password managers
- 3-key vault setup webinar
- Phone Call Detection
- Casa membership levels - an overview
- Refund and cancellation policy
- Guardian Mode
- Security best practices for Casa members
- What happens next? Post-setup checklist for 5-Key vault customers
- Referral program
- FAQs: Recipients
- Address Whitelisting in Casa
- Activate your 5-key vault
- Deleting your Casa account
- Suspicious Account Activity
- Inheritance hardware key sharing
- What to do as an Inheritance Recipient if you get a new phone
- Setting up Inheritance for 3-Key Vault
- 5-key vault vs. 3-key vault comparison
- How to request access to a vault as an Inheritance Recipient
- Restoring your Casa Inheritance when your Recipient gets a new phone
- How do I gain access to a Vault with Enhanced Verification?
- Setting up your 3-key vault for bitcoin (BTC)
- Setting up your 5-key vault for ethereum (ETH)
- Setting up your 5-key vault
- Recipient health checks
- Best hardware key sharing practices
- Setting up Inheritance for the 5-Key Vault
- Basic Inheritance for Standard members
- Private Client Program
- Other Inheritance questions for Vault Owners
- Purchasing a Yubikey for your Casa vault
- Health checks for Inheritance Recipients
- Understanding your keys: a plain-language guide
- Private Client Enhanced Verification Program
- Premium & Private customer onboarding call readiness list
- How to pay for your Casa subscription using Apple Pay or Google Pay
- What happens next? Post-setup checklist (3-key vault)
- Changing your Casa account password
- What happens if I rotate a key shared for Inheritance?
- Upgrading your Casa membership
- Video support sessions for Standard members
- What is the Request Access Process for Inheritance?
- Comparing inheritance solutions
- Free Account: single-key Casa Pay wallet
- Setting up your 3-key vault for ethereum (ETH)
- Sending funds from the Casa app
- Premium membership with 5-key vault
- In-app subscription purchasing
- Do I need to be with my Inheritance Recipient to share the Mobile Key?
- Paying for your membership with bitcoin
- Updating your membership payment method
- Basics of hardware device security
- Email troubleshooting
- How to cancel your Google Play subscription
- Choosing how many seeds to save for the 5-key vault
- What happens if my membership expires?
- Getting started with the 3-key vault
- How to renew your account
- How to change your account email
- Sovereign Recovery for ETH Pay
- How to cancel your Apple subscription
- Standard Plus membership with 5-key vault
- Choosing a hardware device for Your Casa vault
- Switching between iPhone and Android
- Free Trial
- What is a multisig vault?
- Securing your seed phrase and labeling devices
- Standard membership with 3-key vault
- 3-key vault onboarding for Standard members
- Which membership plan should I get?
- How to set up Signal on your phone
- Setting up your 3-key Business Vault
- How to perform a health check with Keystone
- Hardware device funds are not showing in the Casa app
- Enterprise Vault Management Guide
- Casa Partner: River - Buy and Sell Bitcoin
- Unlocking the New Ways to Use Your Bitcoin and Ether Assets with Casa and Ledn
- What is Casa Business
- Protect Your Phone and Identity with Casa and Efani
- Signing a transaction with YubiKey
- Casa Partner: PrivacyHawk - Data Privacy and Management
- Why did my bank account connection fail?
- How to buy crypto
- What is a health check and how does it work?
- Using the Casa app | Help Center
- How to sell crypto
- Casa Dashboard
- Customizing Your Casa Business 3-Key Vault for Your Organization’s Needs
- How to set up recurring buys
- Why is my Zero Hash account locked or not approved?
- How to deposit cash via wire transfer
- What is the Buy/Sell feature in Casa?
- Current Partnerships at Casa
- How do I open a Zero Hash account in Casa?
- Casa Enterprise
- How to transfer crypto to your Casa vault
- Individual Team Signing Recovery Photos
- How to deposit cash via ACH
- How to withdraw cash via wire transfer
- Business and Enterprise Key Replacements (hardware device key rotation)
- What is ethereum?
- How to link your bank account (ACH)
- Buy/Sell fees explained
- Inviting and Managing Viewers on Your Dashboard
- Using multiple Casa accounts
- Why would I use bitcoin?
- Is there more than one bitcoin network?
- Hardware devices | Help Center
- How to cancel your credit card subscription
- Contact Support | Help Center
- Partnerships Overview
- Inheritance basics for Recipients
- Educational Resources | Help Center
- Setup checklist for your 5-key vault
- Permitted and restricted jurisdictions
- How to withdraw cash to your bank account (ACH)
- Inheritance | Help Center
- Memberships, Accounts, and Billing | Help Center
- Getting Started | Help Center
- Financial Services | Help Center
- Contact us | Help Center
- Organizations | Help Center
- Partnerships | Help Center
- Help Center