Self-Custody Explained
Can a Seed Phrase Be Guessed or Brute Forced?
A correctly generated BIP39 seed phrase carries 128 to 256 bits of entropy, far outside brute force range. Three documented failures since 2023 all trace back to a broken generator.
How Crypto Cards Hold Your Money (and What Happ...
Crypto cards differ where it counts, which is who holds your balance when the card is idle. Prepaid, exchange-linked and real-time debit models compared, with July 2026 as the test...
Should You Store Your Seed Phrase in a Bank Vault?
A bank vault can hold one copy of your seed phrase. Here is how to use a safety deposit box without making it your only copy.
What Is a Secure Element Wallet? How the Chip G...
A secure element wallet keeps your private keys inside a certified tamper-resistant chip, so your phone stays out of the key.
Is a Hardware Wallet Safe? What It Protects, an...
A hardware wallet is safe from remote theft, the attack behind most crypto loss, because the keys stay offline. But safe is not invulnerable. What it protects against, where physical...
Cold Storage for Long-Term Crypto Holding: A Pl...
Cold storage is the right home for long-term crypto. What holding for years actually requires: a device that lasts, a backup that outlasts it.