The IndeX is a color-coded, tear- and water-resistant notebook that tracks every D’Cent account and balance so you can rebuild all 80 wallets if the device is ever lost, stolen, or fried.

Both D'Cent and Trezor are strong cold storage choices, with the decision coming down to hidden passphrase wallets vs visible multi accounts, biometrics vs touch, and chip assurance.

Get practical, step-by-step drills for seed-phrase theft, device loss, and the worst-case combo so you can keep your D’Cent wallet, and your crypto, safe under any circumstance.

Discover how manual passphrases and stored 25th-word secrets add an extra layer to hardware wallets like Trezor, Ledger, D’Cent, and OneKey, and learn which method best protects long-term crypto holdings.

Learn why using a Ledger Passphrase is vital for safeguarding your crypto in cold storage. Discover practical tips for choosing and securely storing your passphrase to ensure maximum protection of your digital assets.

Use a passphrase—also known as the "25th word"—to significantly strengthen your Trezor wallet security. Discover strategic ways to safeguard your crypto assets, even if your seed phrase is compromised.

Discover how Trezor’s flexible passphrase, D'Cent’s custom 25th word, and Ledger’s hidden wallet feature enhance wallet safety by securing your 12-, 20-, or 24-word Bitcoin secret recovery phrase. With Black Seed Ink’s metal seed phrase...

  Crypto Passphrase Security In the world of cryptocurrency, security is paramount. One of the key elements in securing your digital assets is the passphrase, also known as the "25th word". A passphrase, distinct from a...

Paper burns, plastic melts, screws come loose. Here’s the hard-won lesson that pushed me to design Black Seed Ink: engrave once, store smart, sleep better.