D'CENT Wallet and App

D’CENT Wallet Security Alert: What Users Should Know

D’CENT is investigating unauthorized transfers involving its App Wallet. Black Seed Ink stopped recommending D’CENT six months earlier over security, transparency and supply-chain concerns.
Entropy shown using 5 dice

Passphrase Entropy: Ledger, OneKey vs. Trezor

Passphrase Entropy: Why Ledger and OneKey May Have an Edge Over Trezor Passphrase Entropy and Hardware Wallets: Rethinking Trezor’s Approach Trezor has long taken one of the cleanest approaches to passphrase security in the hardware-wallet...
Five dice entropy. One word.

Coldcard Seed Flaw: Build a Strong Crypto Passphrase

The Coldcard entropy flaw changed the hardware-wallet conversation. Learn how Diceware, BIP39 passphrases, entropy and stainless steel backups can add another layer of crypto security.
Trezor Safe 7 Chip Flaw: Why Safe 5 Is Still Better

Trezor Safe 7 Chip Flaw: Why Safe 5 Is Still Better

Trezor’s Safe 7 TROPIC01 chip flaw is not a reason to panic, but it is a reminder that new hardware needs time to prove itself. Here’s why Black Seed Ink still prefers the more mature...
Keystone 3 Pro vs Trezor Safe 5

Best Hardware Wallet for Conservative Crypto Investors

If you hold Bitcoin, Ethereum, XRP, Solana, or a simple mix of major crypto assets, you may not need a hardware wallet that claims to support everything. You need a wallet that keeps self-custody simple,...
BTC Wallet Addresses

Why You Should Use Multiple Crypto Addresses for Better Security

Public blockchains are transparent by design. If you store all your XRP, Bitcoin, Ethereum, or other crypto behind one address, anyone can see what that address holds. A smarter self-custody strategy is to use multiple...
How to Diversify Risk in Self-Custody: 4 Proven Strategies to Protect Your Crypto

How to Diversify Risk in Self-Custody: 4 Proven Strategies to Protect Your Crypto

Self-custody gives you true ownership, but it also makes you fully responsible for security. The smartest approach isn’t just “cold storage”… it’s diversification. Here are four practical ways to reduce single points of failure and...
Trezor Safe 5 Review: Best Hardware Wallet?

Trezor Safe 5 Review: Best Hardware Wallet?

Looking for the best hardware wallet? Here’s why we choose the Trezor Safe 5 over the Safe 3 and Safe 7 for self-custody, cold storage, and layered security.
The Best Hardware Wallet for Self-Custody Is Not What You Think

The Best Hardware Wallet for Self-Custody Is Not What You Think

Choosing the best hardware wallet for self-custody is not as simple as picking one popular device. Trezor Safe 5, SafePal S1 and S1 Pro, and Keystone 3 Pro each solve a different part of the...