: Lines formatted as Address, Private Key (often in Hex or WIF format). Recovery Seeds : A 12 or 24-word BIP39 mnemonic phrase. Security Warning If you did not create this file yourself: XopMC/C-Sharp-Mnemonic: Mnemonic Bruteforce C# · GitHub
: Older Bitcoin wallet applications or manual backups often save private keys, seed phrases, or transaction summaries in a plain text file named btc.txt or wallet.txt . Malware/Ransomware : btc.txt
: A simple list of Bitcoin addresses used for checking balances or "hunting" for old funds. : Lines formatted as Address, Private Key (often