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# KeychainX contact mail: keychainx@protonmail.com

## Sitemaps

- [XML Sitemap](https://keychainx.io/sitemap.xml): Contains all public & indexable URLs for this website.

## Pages

- [KeychainX | Wallet Recovery Services since 2017](https://keychainx.io/) - KeychainX - Fast & Secure Wallet Recovery Services of Bitcoin Ethereum and other coins. We recover your lost password seed phrase Multibit, Metamask or Trezor
- [How to recover a Bitcoin Armory wallet](https://keychainx.io/bitcoin-armory-recovery/) - Recover a lost Bitcoin Armory wallet password. KeychainX cracks Armory ROMIX-KDF encryption with GPU tooling, recovering funds from forgotten passphrases since 2017.
- [Recover Ethereum Password](https://keychainx.io/recover-ethereum-password/) - Recover Ethereum Password with this easy to read guide. It will guide you through the many steps and tools that can be used to remember find the password.
- [Wallet Recovery Service](https://keychainx.io/wallet-recovery-service/) - Wallet Recovery Service - KeychainX can help you recover lost Bitcoin and Ethereum from wallet backups or partial seed phrases. Operating since 2017.
- [How to recover a lost Trezor Passphrase](https://keychainx.io/trezor-passphrase-lost/) - Lost or forgotten your Trezor passphrase (the 25th word / hidden wallet)? A hand-written guide to Trezor passphrase recovery: why it fails, what you need, how it works. Since 2017.
- [How to recover Geth Wallet password guide](https://keychainx.io/geth-password-recovery-guide/) - Forgot the password to a Geth / Ethereum keystore (UTC-- file)? Recover it with hint-driven GPU search. Hand-written guide from a recovery lab, since 2017.
- [How to recover a Ledger seed phrase](https://keychainx.io/ledger-seed-recovery/) - How to recover a Ledger Seed Phrase ? A Ledger seed with wrong word count or missing words can be recovered. Passphrase recovery also possible.
- [Recover Mist Password Help](https://keychainx.io/recover-mist-password-help/) - Forgot your Ethereum Mist wallet password? Recover the keystore password, including the known Mist encoding bug that makes a correct password fail. Since 2017.
- [How to recover a metamask password](https://keychainx.io/metamask-password-recovery/) - Forgot your MetaMask password? A hand-written guide to MetaMask password recovery: what not to do, how to find your vault, and how the recovery actually works. Since 2017.
- [How to recover Ethereum presale password](https://keychainx.io/wallets-ethereum-presale/) - Forgot the password to a 2014 Ethereum presale wallet? A hand-written guide to presale recovery: the encseed file, how the GPU search works, and the encoding traps that make a correct password fail. Since 2017.
- [FAQ](https://keychainx.io/faq/) - KeychainX FAQ recovers all type of problems related to crypto currency wallets or passwords. We can recover your Bitcoin and Ethereum wallet Passwords.
- [wallets](https://keychainx.io/wallets/) - Every crypto wallet KeychainX can recover: Bitcoin Core, Ethereum presale, MetaMask, Trezor, Blockchain.com, MultiBit, Dogecoin, SLIP39 and more. Since 2017.
- [services](https://keychainx.io/services/) - KeychainX recovers lost crypto wallet passwords and seeds — Bitcoin, Ethereum, Trezor, MetaMask, presale and more. Success-based, offline, in-house servers.
- [How to Recover a Multibit Classic Wallet Password](https://keychainx.io/recover-multibit-classic-wallet-password/) - Recover a MultiBit Classic or MultiBit HD wallet password from your .key, .wallet or .aes.json backup — including the known special-character bug. Since 2017.
- [Jaxx Bitcoin Wallet recovery guide](https://keychainx.io/jaxx-bitcoin-wallet-recovery-guide/) - Locked out of a Jaxx or Jaxx Liberty wallet? What actually recovers it (the 12-word backup phrase), what doesn’t, and how KeychainX can help. Since 2017.
- [contact](https://keychainx.io/contact/) - KeychainX contact form when writing us for help regarding lost bitcoin or Ethereum wallet password. We can recover most encrypted wallets or Trezor Passphrases
- [How to recover bitcoin password](https://keychainx.io/how-to-recover-bitcoin-password/) - Recovering Bitcoin Password requires many steps and is usually very hard to achieve without intense programming knowledge.
- [Weak Randomness in Crypto Wallets: Randstorm, MilkSad & More](https://keychainx.io/reference/weak-randomness-crypto-wallets/) - A survey of predictable-randomness vulnerabilities in cryptocurrency wallets — Randstorm, MilkSad, the 2013 Android SecureRandom flaw, presale PRNG.
- [Randstorm wallet recovery](https://keychainx.io/reference/randstorm/) - Locked out of a Bitcoin wallet made in 2011–2015? The Randstorm weakness in BitcoinJS can sometimes help recover access to your own wallet. What Randstorm is, who is affected, and how recovery works.
- [Recover](https://keychainx.io/recover/) - Wallet stuck on a dead hard drive, broken phone or deleted file? KeychainX does forensic crypto recovery when the device itself failed. Since 2017.
- [Recovering a locked Trezor with a forgotten PIN](https://keychainx.io/case-studies/trezor-pin-recovery/) - How KeychainX recovered access to a Trezor One after a forgotten PIN and a lost seed backup, using a period-correct device method. Since 2017.
- [A MetaMask vault recovered after a lost password](https://keychainx.io/case-studies/metamask-vault-recovery/) - How KeychainX recovered a MetaMask wallet by extracting and decrypting the browser vault after a forgotten password. Success-based, since 2017.
- [Recovering a multi-million-dollar Dogecoin wallet](https://keychainx.io/case-studies/dogecoin-3m-recovery/) - How KeychainX recovered access to a high-value Dogecoin Core wallet after a forgotten password. Success-based recovery, since 2017.
- [Recovering a wallet from a dead hard drive](https://keychainx.io/case-studies/dead-drive-recovery/) - How KeychainX carved a deleted wallet.dat off a failed hard drive with forensic imaging, then recovered the password. Success-based, since 2017.
- [Rebuilding a 17-word Blockchain.info mnemonic](https://keychainx.io/case-studies/blockchain-17-word-mnemonic/) - How KeychainX reconstructed a partial, out-of-order 17-word Blockchain.info backup phrase and restored the wallet. Success-based, since 2017.
- [1000 ETH recovered from a 2014 presale wallet](https://keychainx.io/case-studies/1000-eth-presale/) - How KeychainX recovered 1000 ETH from a 2014 Ethereum presale wallet whose 'correct' password kept failing. Success-based recovery, since 2017.
- [Wallet recovery case studies](https://keychainx.io/case-studies/) - Real KeychainX wallet recovery case studies: Dogecoin, Ethereum presale, Trezor, MetaMask, Blockchain.info and more. First-hand recoveries since 2017.
- [MultiBit Special-Character Truncation Bug | KeychainX](https://keychainx.io/reference/multibit-truncation-bug/) - MultiBit Classic mangled passwords containing special or non-ASCII characters before encrypting them, so the correct password no longer opens the wallet.
- [The 2014 Ethereum Presale PRNG & IV Weakness — Research | KeychainX](https://keychainx.io/reference/presale-prng-iv/) - Original KeychainX research into the 2014 Ethereum presale wallet generator’s use of browser Math.random for IVs: the Firefox undefinedundefined collapse and what it means for recovery.
- [MilkSad (CVE-2023-39910): the libbitcoin bx seed weakness](https://keychainx.io/reference/milksad/) - MilkSad is a weak-entropy flaw in libbitcoin-explorer’s bx seed command — a Mersenne Twister seeded from 32-bit time. How affected wallets are recovered.
- [BIP32 Non-Hardened Parent-Key Escalation Explained](https://keychainx.io/reference/bip32-nonhardened-escalation/) - How an extended public key xpub plus one non-hardened child private key exposes the parent private key — a BIP32 property that is both a security recovery tool.
- [Armory Wallet Encryption & the ROMIX KDF — Recovery Notes](https://keychainx.io/reference/armory-romix/) - Armory protected wallets with a deliberately slow, memory-hard ROMIX key-derivation function. What that means for password recovery, and how the KDF parameters.
- [Trezor Firmware & Derivation-Path Forensics](https://keychainx.io/reference/trezor-derivation-forensics/) - Why a Trezor can show an empty balance: historical firmware and derivation-path divergences (BIP44/49/84/86), and passphrase wallets, and how to sweep the funds
- [Blockchain.info Wallet Formats & 15–21 Word Mnemonic](https://keychainx.io/reference/blockchain-info-wallet-formats/) - How Blockchain.info wallet encryption evolved (v0–v3), the hashcat and the v1 iteration trap, and the non-BIP39 15–21 word scheme with its 50,000-word list
- [Why 2014 Ethereum Presale Password Fails](https://keychainx.io/reference/ethereum-presale-password-bugs/) - A catalog of the bugs that make a correct 2014 Ethereum presale password fail: Unicode normalisation, encoding forks, macOS input, keyboard-layout remaps.
- [The 2013 Android SecureRandom Bitcoin Wallet Flaw](https://keychainx.io/reference/android-securerandom/) - In 2013 a flaw in Android’s SecureRandom produced predictable values, letting attackers derive private keys from Bitcoin transactions via repeated ECDSA nonces.
- [Reference](https://keychainx.io/reference/) - KeychainX original research: named crypto wallet vulnerabilities (Randstorm, MilkSad, Android SecureRandom), Ethereum presale password bugs and PRNG research.
- [Recovery Story A Locked MacBook, a Bitcoin Fortune, and a Trip to Tokyo](https://keychainx.io/blog/bitcoin-recovery-tokyo/) - Flown to Tokyo to recover a Bitcoin fortune locked on a client’s own MacBook with a forgotten password. A KeychainX recovery story about hardware access.
- [KeychainX Blog — Wallet Recovery Guides, Stories & News](https://keychainx.io/blog/) - Guides, real recovery stories and news from KeychainX — lost password and seed recovery for Bitcoin, Ethereum, Trezor, MetaMask and more. Since 2017.
- [How to Recover a Lost Trezor PIN | KeychainX](https://keychainx.io/blog/recover-lost-trezor-pin/) - Lost your Trezor PIN? What actually gets you back in (your recovery seed), what to never do (keep guessing), and how KeychainX helps when the seed is gone too.
- [MetaMask Vault and Seed Recovery — Forgotten Password](https://keychainx.io/blog/metamask-vault-seed-recovery/) - Forgot your MetaMask password or lost the seed? How the encrypted vault works, how to recover the password offline, and the Trezor hidden-wallet gotcha.
- [Recovering Coins Sent to the Wrong Chain](https://keychainx.io/blog/wrong-chain-recovery/) - Sent tokens to the wrong network — ERC-20 to a BSC address, or ETH to the wrong chain? When it’s recoverable (usually), when it isn’t, and how.
- [The Ultimate Dogecoin Recovery Guide (Find, Try, Recover)](https://keychainx.io/blog/dogecoin-recovery-guide/) - A hands-on guide to recovering an old Dogecoin wallet: find the wallet file, identify the type, try it yourself, and know when to get help.
- [How to Recover a Blockchain.com Wallet Password (Safely)](https://keychainx.io/blog/recover-blockchain-com-password/) - A safe, step-by-step guide to recovering an old Blockchain.info / Blockchain.com wallet password — the Wallet ID, first and second password, and legacy phrases.
- [How to Recover MultiBit Classic Keys (.key / .wallet)](https://keychainx.io/blog/recover-multibit-classic-keys/) - A hands-on guide to recovering MultiBit Classic keys: find the backup files, decrypt a .key, handle the special-character bug, and know the HD zero-balance trap
- [The 15–21 Word Blockchain.info Mnemonic Explained](https://keychainx.io/blog/blockchain-info-15-21-word-mnemonic/) - Why old Blockchain.info wallets used 15, 17, 19 or 21 word phrases, why they won’t import today, and how they’re recovered. A technical explainer from KeychainX
- [How to Recover a Lost Bitcoin Wallet Password (DIY Guide)](https://keychainx.io/blog/recover-lost-bitcoin-password/) - A hands-on guide to recovering a lost Bitcoin wallet password — wallet types, extracting the hash, hashcat modes, and the known Blockchain v1 bug.
- [How to Spot a Crypto Scam and Protect Yourself](https://keychainx.io/blog/how-to-spot-a-crypto-scam/) - Phishing, SIM swaps, fake recovery services, DNS hijacks and 2FA myths — a practical guide to spotting crypto scams and keeping your wallet safe.
- [Recovery Story 1,000 ETH Unlocked From a 2014 Presale Wallet](https://keychainx.io/blog/1000-eth-presale-recovered/) - A 2014 Ethereum presale wallet with ~1,000 ETH, a password that was forgotten and could not unlock the wallet. Foreign characters and special scripts solved it.
- [Recovery Story A $3M Dogecoin Wallet Unlocked From a Birthday Hint](https://keychainx.io/blog/dogecoin-3m-recovered/) - A retired truck driver bought Dogecoin in 2015 for about $1,500, then forgot the PIN. Years later it was worth millions. How a birthday hint cracked it.
- [Recovery Story Rebuilding a 17-Word Blockchain.info Phrase](https://keychainx.io/blog/blockchain-17-word-mnemonic/) - A client remembered only 17 words of an old Blockchain.info backup phrase the current site no longer supports. How source-code archaeology rebuilt the wallet.
- [Recovery Story A 2013 Bitcoin Wallet From a Dead Phone](https://keychainx.io/blog/recover-bitcoin-wallet-from-2013/) - Client from Norway had Bitcoin from 2013 in a Schildbach wallet on a phone that died the same year. How a legacy backup and source-code digging brought it back
- [Recovery Story $100k in Bitcoin Wallet ID & Boyfriend’s Name](https://keychainx.io/blog/recovered-100k-bitcoin-blockchain/) - A woman at a conference had lost her Blockchain.com Bitcoin — no password, barely any details. How a Wallet ID reminder and a good hint recovered $100k.
- [Recover Bitcoin Wallet](https://keychainx.io/recover-bitcoin-wallet/) - A hand-written guide to recover a Bitcoin wallet: identify your wallet type, recover a lost password or seed phrase, and rescue funds from a deleted wallet file. Since 2017.
- [Bitcoin Core Wallet Recovery — Lost wallet.dat Password | KeychainX](https://keychainx.io/wallets/bitcoin-core-recovery/) - Forgot your Bitcoin Core wallet.dat password? KeychainX recovers Bitcoin Core wallet passwords from the encrypted wallet.dat. Success-based fee. Since 2017.
- [SLIP39 / Shamir Backup Recovery (Trezor) | KeychainX](https://keychainx.io/wallets/slip39-shamir-recovery/) - Trouble with a SLIP39 Shamir Backup — mistyped shares, a lost passphrase, or shares that won’t combine? KeychainX helps recover SLIP39 wallets. Since 2017.
- [Recover Bitcoin from a Dead Hard Drive or SSD | KeychainX](https://keychainx.io/recover/dead-hard-drive/) - Wallet on a dead, formatted or deleted hard drive or SSD? KeychainX does forensic disk imaging and file carving to recover wallet.dat and keys. Since 2017.
- [Recover Crypto from a Broken or Dead Phone | KeychainX](https://keychainx.io/recover/damaged-phone/) - Broken, water-damaged or reset phone with MetaMask, Trust Wallet or Blockchain.com on it? KeychainX extracts and decrypts the wallet vault. Since 2017.
- [Geth Wallet Recovery — Lost Ethereum Keystore Password](https://keychainx.io/wallets/geth-wallet-recovery/) - Locked out of a Geth / go-ethereum keystore? KeychainX recovers the password on your UTC / V3 keystore JSON file, offline and success-based. Since 2017.
- [How to recover blockchain.com wallet password with wallet ID](https://keychainx.io/recover-blockchain-com-wallet-password/) - Locked out of a Blockchain.info / Blockchain.com wallet? KeychainX recovers first and second passwords and 15–21 word legacy mnemonics, offline. Since 2017.
- [Dogecoin Wallet Recovery — Forgot Password](https://keychainx.io/wallets/dogecoin-recovery/) - Locked out of a Dogecoin wallet? KeychainX recovers Dogecoin Core and MultiDoge wallets from a forgotten password, offline and success-based. Since 2017.
- [Mist Wallet Recovery — Lost Ethereum Wallet Password](https://keychainx.io/wallets/mist-ethereum-recovery/) - Locked out of the old Mist / Ethereum Wallet app? KeychainX recovers the password on your UTC / V3 keystore file, offline and success-based. Since 2017.
- [How Much Ethereum Presale ETH Has Never Moved — 12 Years On](https://keychainx.io/reference/ethereum-presale-dormant-eth/) - Original data: how many 2014 Ethereum presale wallets have never sent a transaction, and how much ETH still sits untouched since genesis. A KeychainX study.