Dogecoin

Dogecoin Core wallet.dat Password Recovery

TL;DR — Dogecoin Core uses the same wallet.dat encryption as Bitcoin Core — AES-256-CBC with 25,000 rounds of SHA-512 key derivation (Hashcat mode 11300). The same tools and techniques work for both.

Dogecoin Core vs Bitcoin Core encryption

Dogecoin Core is a fork of Bitcoin Core and inherited its wallet.dat encryption system unchanged. The encryption uses AES-256-CBC with a 256-bit key derived via PBKDF2-HMAC-SHA512 at 25,000 iterations. The encrypted master key, salt, and iteration count are all stored inside wallet.dat.

Because the encryption is identical, the same extraction tools work: pywallet, bitcoin2john.py, and JtR's dogecoin2john. The extracted hash runs in Hashcat mode 11300 (Bitcoin/Litecoin/Dogecoin) — about 90-110 kH/s on an RTX 4090.

Extracting the hash from wallet.dat

Use bitcoin2john.py (works for Dogecoin too): python bitcoin2john.py wallet.dat > doge_hash.txt. Or use dogecoin2john if available in your John the Ripper installation. The output is a standard Hashcat mode 11300 hash string.

If the wallet is corrupted, try pywallet --dumpwallet or run a -salvagewallet from Dogecoin Core console before extraction.

Recovery odds

Same limits apply as Bitcoin Core: short or pattern-based passwords recoverable with GPU-based dictionary, mask, and rule attacks. Random passwords above 10 characters are computationally infeasible regardless of hardware. Hints (remembering parts of the password, length, character types) dramatically improve success rates.

Frequently Asked Questions

Is Dogecoin Core different from MultiDoge?
Yes, completely different wallets. MultiDoge is an SPV wallet with its own .wallet file format that is not encrypted the same way. This guide only covers Dogecoin Core (wallet.dat).
What if my wallet.dat is from 2014?
Pre-encryption wallet.dat files are unencrypted and don't need password recovery. Check if the file contains a 'ckey' entry — if it has one, it's encrypted.
How fast is recovery?
~90,000-110,000 passwords per second on an RTX 4090 via Hashcat mode 11300. A 6-character random password takes ~15 minutes to exhaust. 8 characters = ~2 years. Hints are essential for strong passwords.

Related references

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