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Assume the seed phrase is permanently compromised. On a clean device or separate browser profile, create a new wallet with a completely different recovery phrase, move any remaining assets, stop using every account derived from the old phrase, and investigate malware on affected devices. Do not add gas to the old wallet if an automated sweeper may be watching it. A wallet app password reset cannot make an exposed phrase safe.
This procedure applies whether the phrase was photographed, typed into a website, stored in cloud notes, shown to another person, or exposed by malware. Anyone who controls it can restore the wallet and sign transactions for its derived accounts.
Why a leaked seed phrase puts the whole wallet at risk
A recovery phrase is the master secret from which a wallet generates its private keys and addresses. MetaMask describes it as the key used to generate and restore accounts; Ledger calls a compromised secret recovery phrase a worst-case event because a scammer may drain every account protected by it. The exposure is not limited to the address you were using when the incident occurred.
Every account derived from that phrase should be treated as controlled by the attacker. That includes accounts on different networks, additional accounts you created later, and assets you do not currently see in the wallet interface. A person who has the words does not need your phone, browser extension, PIN, or app password to restore the accounts elsewhere.
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There is no “reset” button for a seed phrase. You can change an application password, uninstall and reinstall an extension, or remove an account from the display, but none of those actions changes the underlying keys. The only effective replacement is a newly generated phrase and new addresses.
What to do in the first few minutes
- Stop entering the old phrase anywhere. Close suspicious pages, remote-support sessions, messaging chats, and wallet prompts. Do not test the phrase in another app to see whether it still works.
- Use a clean environment. Prefer a different computer or phone that has not shown signs of compromise. If that is impossible, use a separate browser profile only after scanning the device and removing suspicious software. Do not let the new wallet import or synchronize through a potentially compromised Google or Apple account.
- Generate a new wallet and phrase. Create it from the wallet’s official application or from a hardware wallet. Confirm that the words are generated by the wallet itself, write them down in the exact order, and keep the backup offline. Never photograph or paste the phrase into a cloud document, email, password manager entry, or website.
- Record the new receiving addresses. Verify them on the clean device or on the hardware wallet screen before using them. Make a short list by network so you do not accidentally send an asset to an incompatible chain.
- Move assets that remain in the old wallet. Send them to addresses controlled by the new phrase, starting with the assets most likely to be stolen. Check the destination and network on every transaction.
- Do not fund the old wallet blindly. If a sweeper script is monitoring it, any ETH, native coin, or token sent in to pay fees can be taken immediately. Arrange a rescue transaction only when you understand the risk and have a specialist plan for assets that cannot be moved in a normal transfer.
- Retire the old phrase. Once movable assets are transferred, stop using every account derived from it. Remove the old wallet from daily use, but preserve evidence needed for incident reporting.
How to move funds when a sweeper may be active
A sweeper is an automated process that watches a compromised address and rapidly spends incoming funds. It can make a normal “send gas first, then send the token” plan fail: the gas arrives, and the attacker’s transaction consumes it before your transfer is mined.
Signs that a sweeper could be watching
- New native coin sent for fees disappears almost immediately.
- Token transfers fail because the balance needed for gas is repeatedly removed.
- Transactions appear from the address that you did not authorize, often within seconds of an incoming deposit.
- A blockchain explorer shows repeated attempts to spend incoming funds or nonce conflicts.
Do not keep experimenting with small deposits. Every test can alert the attacker and lose more funds. For a straightforward balance with no competing transactions, send directly to the new wallet after checking the network and destination. For tokens that require gas, staked positions, vesting contracts, NFTs, or other illiquid assets, emergency rescue may require transaction-bundling or incident-response specialists. Such work can involve fees; independently verify credentials, jurisdiction, the proposed transaction sequence, and how payment is collected before granting any access.
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How to create a genuinely safe replacement wallet
Generate a different phrase
The replacement wallet must create new entropy and a different recovery phrase. Do not choose a phrase yourself, alter one word in the old phrase, or restore the old phrase and create another account under it. Those methods leave the same master key in control of the accounts.
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- Tap once to manage your entire crypto wallet across 90 blockchains - no USB cables or Bluetooth, no batteries, no setup. Access 16,100+ coins & tokens, DeFi, NFTs, and staking instantly from your phone
- Backup without a seed phrase: Your wallet is copied to 2 backup cards with end-to-end encryption, so there are no words on paper to lose or leak. Keep them in separate places; if one card is lost, the others restore full access. Optional seed phrase for advanced users.
- Engineered to last up to 25 years: Waterproof (IP69K), shockproof and tested for extreme temperatures from −25°C to 50°C. A durable cold wallet with long‑term protection and independently audited security.
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Choose a clean setup
A hardware wallet can generate and keep the new phrase isolated from a general-purpose computer. Software wallets can also be appropriate when created on a clean device and backed up correctly. In either case, verify receiving addresses on the trusted wallet or hardware screen rather than relying only on an address displayed in a potentially compromised browser.
Back up for durability and privacy
Write the words in order on a durable offline medium and store the backup where unauthorized people cannot photograph or access it. Do not store the phrase in a cloud service or send it to yourself. Consider how you would recover after loss, fire, or device failure, but do not create extra digital copies merely for convenience. Anyone who finds the backup controls the accounts.
Check network and asset support before transferring
List every chain and asset you hold, including tokens hidden by the wallet interface, staking positions, collectibles, and accounts on layer-2 networks. Confirm that the replacement wallet supports each one and that the receiving address belongs to the correct network. A wallet that supports one chain does not automatically support every asset format used on that chain.
Hardware wallet or software wallet for the replacement?
The decision is about isolation and recovery practices, not a guarantee against phishing. Hardware wallets such as those commonly paired with software interfaces keep key signing separate from the computer; software wallets are faster to deploy but depend more heavily on the cleanliness of the device and browser.
| Decision factor | Hardware wallet | Software wallet |
|---|---|---|
| Where the new phrase is generated | On the dedicated device, when set up correctly | Inside the wallet app on a clean computer or phone |
| Key exposure during signing | Private keys remain on the device; transactions are approved on its screen | Keys are managed by the app and are more dependent on the host device |
| Address and transaction checking | Independent device screen can reveal a substituted address or amount | Verification occurs in the app and connected browser |
| Recovery usability | Requires protecting the device and its written backup; setup can be less familiar | Quick to restore on another compatible app, but the phrase must remain private |
| Chain and asset coverage | Varies by device and companion software; confirm every asset first | Varies by app and extension; confirm every asset first |
| Cost | Purchase cost varies by model and region; no universal price is established here | Many apps have no upfront device purchase, but network fees still apply |
| Phishing protection | Improves isolation and on-device verification; does not prevent a user from approving a malicious transaction | Relies on safe browsing, correct software, and careful approval checks |
Whichever type you choose, the phrase must be new, generated in a clean setup, and kept offline. A hardware wallet cannot rescue an already exposed phrase, and moving the old phrase onto new hardware simply moves the compromise.
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Clean devices and secure related accounts
Seed theft often accompanies malware, a malicious browser extension, a fake wallet download, remote-access software, or an exposed email account. After the funds are moved, scan the computers and phones used with the old wallet. Remove suspicious extensions and applications, update the operating system and browsers, and review browser download and remote-access history. If you cannot establish that the system is clean, a complete operating-system reinstall may be necessary.
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From a trusted device, change passwords for the email account associated with exchanges and wallet services, your exchange account, and relevant social accounts. Turn on two-factor authentication, preferably with an authenticator or security key rather than SMS where practical. Review active sessions, recovery email addresses, forwarding rules, API keys, and withdrawal-address settings. These steps protect related accounts; they do not restore safety to the old seed phrase.
Seed phrase compromise versus a malicious token approval
These incidents require different responses. A leaked phrase threatens every account derived from it and calls for a new wallet. A malicious token approval can be limited to a contract’s permission to spend a particular token when the recovery phrase itself was never exposed.
If the phrase is still secret and the incident is only an unwanted approval, inspect the approval on a trusted block explorer or an established approval-revocation tool such as Revoke.cash. Revoke the specific allowance, then review connected sites and transaction history. Revoking an approval does not repair a leaked phrase: once the phrase has been exposed, replacing the wallet remains necessary even if no malicious approval is visible.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How to avoid recovery scams
During an emergency, scammers imitate wallet support, investigators, exchanges, and “recovery” services. They may contact you after seeing a public transaction, claim that a special form can reverse the theft, or ask you to install remote-control software.
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Trezor’s rule is unambiguous: “any request for your wallet backup, PIN, passwords, or codes is always a scam.” Never disclose the seed phrase, private keys, wallet PIN, app password, one-time verification code, or recovery-code screenshot. Do not approve a transaction merely because a caller says it is a refund or security check. Use only contact paths published inside the official wallet or exchange application, and navigate there yourself rather than clicking an unsolicited message.
Report the theft and preserve evidence
Self-custodial wallet providers generally cannot reverse blockchain transactions. MetaMask states that transactions cannot be reversed and missing funds cannot be restored. The U.S. Federal Trade Commission notes in its June 2026 consumer guidance that cryptocurrency payments do not have the same legal protections as credit and debit cards, making recovery difficult. Reporting is still worthwhile, especially when funds reach a regulated exchange before being moved again.
- Preserve evidence. Save transaction hashes, source and destination addresses, network names, timestamps with your time zone, screenshots, wallet and device details, phishing URLs, emails, chat logs, and any installer or extension names. Do not alter screenshots or delete messages.
- Contact an exchange or ATM operator immediately. If stolen funds entered a service with an account, provide the hashes and ask whether a withdrawal hold, freeze, or other intervention is possible. Do not assume the provider can reverse a confirmed blockchain transaction.
- Report to consumer-protection authorities. In the United States, submit the incident through ReportFraud.ftc.gov. Include the wallet addresses and transaction identifiers, not your secret phrase.
- Use appropriate law-enforcement channels. U.S. victims can submit relevant internet-enabled crime information to the FBI’s Internet Crime Complaint Center (IC3), and victims elsewhere should use their national cybercrime or financial-fraud reporting channel.
- Warn people who may be targeted next. If the phrase was exposed through a shared device, phishing campaign, or compromised service, notify affected colleagues or family without repeating the secret.
Can stolen cryptocurrency be recovered?
There is no general undo function for a confirmed blockchain transfer. Recovery depends on facts outside the wallet itself: whether the funds remain traceable, whether they reach an identifiable exchange, how quickly a freeze request is made, and what legal authority exists in the relevant jurisdiction. Treat promises of guaranteed recovery, advance “unlock” fees, or secret tracing systems as warning signs.
Even if some assets are recovered, the old phrase remains unsafe forever. Keep the replacement wallet and its backup separate from the compromised devices and accounts, and do not reuse any address derived from the exposed phrase for future holdings.
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