What is actually at risk in your CudoMiner setup, what is protected automatically, and the three things you should record offline to guarantee you never lose access to your earnings.
Most CudoMiner users worry about the wrong things. Understanding what is server-side vs what is local will tell you exactly what needs backing up — and what does not.
Your CudoMiner account email and password are the keys to your Vault. Store them in:
Also ensure you have ongoing access to the email inbox associated with your account — you will need it to reset your password if you ever forget it.
Sign in to accounts.cudominer.com, navigate to Vault, and copy each withdrawal wallet address you have configured. Save these to your password manager or secure notes.
These are the public addresses of your external wallets (Bitcoin, Ethereum, etc.) — not private keys. Recording them means you can re-enter them quickly on a new device or after a reinstall, even though they are already saved in your account.
The safest long-term backup strategy is to withdraw your Vault balance to your personal external wallet regularly. Once withdrawn, your funds are fully under your control — independent of your CudoMiner account or any third party.
Consider setting a withdrawal schedule — for example, withdraw whenever your Vault balance exceeds $50 or at the start of each month.
Your CudoMiner Vault balance is stored server-side in your account and cannot be lost by uninstalling the app, switching computers or hardware failure. The only risk to your balance is losing access to your account (forgotten password) or losing access to your withdrawal wallet addresses. Keep a secure offline record of both.
Sign in to accounts.cudominer.com, navigate to Vault, and copy each wallet address to a secure location — a password manager, encrypted notes app or printed paper stored safely. CudoMiner does not export a wallet file — you are simply recording the public wallet addresses you entered as your payout destinations.
Your Vault balance remains intact. Use the password reset link on the CudoMiner sign-in page to regain access via your registered email address. As long as you have access to that email, you can reset your password and recover full access to your account and Vault.
Withdrawing regularly to your personal external wallet (Bitcoin, Ethereum or another coin) is a good practice. Once funds are withdrawn to your external wallet, they are fully under your control independent of your CudoMiner account. This is the safest approach for long-term earnings — think of the Vault as a staging area, and your external wallet as permanent storage.