Recover a Bitcoin Wallet When You’ve Forgotten the Password

gold bitcoin in the space

 Lost Access to Your Bitcoin Wallet? Here’s What Actually Works

We all think we’ll remember our passwords. Until we don’t.

If you’re sitting on a wallet.dat, wallet.aes.json, or a handful of recovery words and no way into your Bitcoin wallet — you’re not alone. The good news? If you still have something (a file, a phrase, a vague memory), there’s a real chance of getting your BTC back.

Let’s go wallet by wallet.

 Bitcoin Core: The wallet.dat

If you’ve used Bitcoin Core, your BTC lives in a file called wallet.dat. It’s encrypted. No password = no access.

Here’s how to approach it:

  1. Locate the file
    • Windows: C:\Users\YourName\AppData\Roaming\Bitcoin\
    • macOS: ~/Library/Application Support/Bitcoin/
    • Linux: ~/.bitcoin/
  2. Back it up — seriously, before you do anything
  3. Try your memory first
    • Old passwords, names, dates, patterns
    • Track every guess to avoid repeats
  4. Still stuck? Use tools:
    • bitcoin2john.py to extract the hash
    • Crack it with Hashcat mode 11300

If your password was even partially guessable, these tools might break it. If not, read on.

 Electrum: More Flexible, Same Risks

Electrum gives users options: wallet file backups, seed phrases, and even password hints.

  • Got a wallet file (backup_wallet.json)?
    Use btcrecover or hashcat to work on the password.
  • Got the seed phrase?
    Open Electrum → File → New/Restore → Paste phrase.
    Watch for an optional passphrase — that extra word some users forget.
  • Missing or fuzzy phrase?
    Try seedrecover.py with a known BTC address from the wallet. It can fill in missing words or spot typos.

laptop is trying to recover bitcoin password

Blockchain.com: Not as Simple as It Looks

Blockchain.com wallets are browser-based, but recovery depends on what you backed up.

If you forgot your password:

  • Go to blockchain.com/login
  • Enter your email
  • They’ll send you your Wallet ID

To extract your wallet manually:

  1. Open Developer Tools in Chrome → Network tab
  2. Try logging in (even with a wrong password)
  3. Look for the “Payload” — that’s your encrypted wallet
  4. Save it as wallet.json

Then:

  • Extract the hash
  • Crack with Hashcat using mode 15200 (or 18800 if there was a second password)

 Old wallets (v1) may require different mode — and Hashcat sometimes fails here. You’ll need expert help if that’s the case.

 Trezor (and Shamir): Secure by Design, Brutal to Forget

Trezor wallets rely on seed phrases and, optionally, passphrases (AKA the “25th word”).

  • Got your 12/24 words but used a passphrase?
    You need the passphrase. No way around it.
  • Missing the phrase?
    Try  to test combos if you remember an address linked to the wallet.
  • Used a Shamir setup?
    You’ll need the minimum number of shares (e.g., 3 of 5). No shortcuts here. Without enough pieces, the wallet can’t be rebuilt.

Not Working? Here’s When to Call a Wallet Recovery Service

You’ve got three options:

  • Keep guessing
  • Try some tools
  • Ask for help

Bring in pros if:

  • You have no more password clues
  • Files might be corrupted
  • You’re dealing with legacy formats or Shamir setups

Final Words

You might feel stuck — but if you have even one of the pieces (file, phrase, address, idea), there’s a way forward.

Sometimes it’s brute force.
Sometimes it’s a lucky guess.
Sometimes it’s a sticky note you forgot was taped under your desk.

Wherever you are in the process, start with what you do know. And if it’s time to ask for help — make sure it’s the right kind.

If you’re stuck, we might be able to help. We explore options to recover lost Bitcoin wallet passwords – admin@walletrecoveryservice.com

 

Check our other articles about

blockchain.com wallet recovery

– multibit classic wallet recovery