Cold Storage Security Calculator | Free Online Audit Tool Cold Storage Security Evaluator Audit your private key and hardware wallet security setup locally in real time. 1. Primary Storage Device Dedicated Hardware Wallet (Ledger, Trezor, BitBox02, Jade) Air-Gapped / Offline Device (SeedSigner, offline phone) Hot / Software Wallet (Exodus, MetaMask, Phantom) Centralized Exchange (Binance, Coinbase, Kraken) 2. Seed Phrase Backup Method Stainless Steel / Titanium Plate (Metal Backup) Paper stored in a fireproof safe or lockbox Digital Copy (Photo, Password Manager, Notes, Cloud) 3. Additional Security Measures Optional Passphrase enabled (25th Word) Secondary seed backup stored in a separate physical location Verified firmware authenticity & official source download Calculate Security Score Your Security Score 0 / 100 --- Start New Audit