How to restore access to a crypto wallet depends on what you still have

Restoring access depends on what you still have

The Defiant published a guide on how to restore access to a crypto wallet. A wallet is an app or device used to manage blockchain assets and approve transactions.

Restoring access depends on what survives. That can be secret credentials, a device that can still approve transactions, or a recovery setup made in advance. Making a new recovery phrase does not bring back an old wallet.

The main cases in three points

• An app password is not the same as a private key or a recovery phrase.
• A lost password or device can be fixed if the original recovery phrase is available.
• Without surviving keys, a usable device, a backup, or a configured alternative, installing another app cannot restore control.

App password, device and phrase are different

Assets are recorded on the blockchain, not stored inside a phone. A public address identifies an account. Knowing that address does not allow someone to spend its assets.

A private key is secret data used to sign, or approve, transactions. A recovery phrase, also called a seed phrase, is a sequence of words used to create the wallet keys. MetaMask says that phrase can restore the accounts created from it. A single private key restores only that one account.

With MetaMask, the app password only unlocks the wallet on one device in a phrase-based setup. If the password is lost, the user can restore the wallet with the original phrase and set a new password. The same backup can be used after a device is lost.

Accounts added separately still need their own private keys or phrases. Restoring one phrase does not restore everything that was shown in the app. A replacement wallet must support the original backup. If an extra seed passphrase was used, that exact passphrase is also needed. It is different from the app unlock password.

A lost phrase does not always end access. MetaMask says users who can still open the app can reveal their existing phrase. Trezor says its hardware wallet cannot show the backup again after the first backup process.

A working device with its unlock credentials can keep access even if the written backup is missing. The guide warns against erasing the device before checking that a valid backup exists.

Other recovery setups still need specific credentials

Social login is not a general password reset. For MetaMask social-login backup, restoring on a new device needs the linked Google, Apple or Telegram account and the MetaMask password. Access to the social account alone is not enough.

Multiparty computation, or MPC, uses secret shares held by separate parties to approve a transaction, instead of one full private key. Zengo says one share is on the phone and another is on its server. Its recovery kit needs the registered email, the cloud recovery file made earlier, and a 3D FaceLock scan if that was set up. Zengo says it cannot replace a lost recovery file.

Another model uses guardians or recovery signers approved in advance. Ether.fi documentation describes a default pair of an Ether.fi corporate signer and a third party chosen by Ether.fi. Both must approve a change. Approval starts a three-day delay. During that time the owner can cancel it. Owners can change or turn off recovery, so the actual wallet setup matters.

A new phrase cannot recreate an old balance

A recovery tool can only work with data that still exists. MetaMask documents a desktop browser method that needs surviving encrypted wallet data and its password. That is different from recreating keys from a public address.

A newly made phrase creates a different set of keys. It does not reconnect to an old balance. Trezor says it cannot recover a wallet if both the backup and device access are lost.

The guide also warns: never give a recovery phrase or private key to someone offering help.

Source for this guide

• The Defiant