Hacker Brute Force Passphrase

Crypto Passphrase Brute-Force Chart 2025 (4-11 Chars)

Curious how long it would take a hacker to brute-force your wallet passphrase? Our updated chart shows worst-case crack times (from minutes to billions of years) across 4- to 11-character phrases and every combo of...
XRP on cell phone in hand

$3 M XRP Hack: Ellipal ‘Cold Wallet’ Breach Explained

A recent $3 million XRP heist shows how private keys stored in Ellipal’s in-app hot wallet bypassed the air-gapped device. This post dissects the breach and presents six hardware-wallet safeguards—diversify seeds and brands, add passphrases...
Ledger Nano X and Black Seed Ink Passphrase wallets

Passphrase vs 25th Word in Hardware Wallets

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.
house fire burning

Fireproof vs Waterproof Crypto Backup Plates

Even metal backups have limits under extreme conditions. Store multiple copies, add a passphrase, and trust Black Seed Ink’s steel wallets for complete seed security.
Paper with graph laying atop a table.

Estate Planning with Cold-Storage Wallets

A smart crypto-inheritance plan splits power between an executor and your heirs: the executor holds a single steel-engraved seed phrase, while each beneficiary unlocks only their share with a unique passphrase stored on a separate...
Passphrase wallet with etching

Secure Your Passphrase

  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...