The OneKey Pro combines four EAL6+ secure elements, open-source firmware, true QR air-gap signing, passphrase wallets and support for 30,000+ crypto assets. Black Seed Ink Research Lab explains what makes it exceptional, what takes some...

SatoshiLabs did not just build Trezor. Its founders helped shape wallet standards, backed the creation of an auditable Secure Element, and built a Czech technology group around individual sovereignty. It has also made decisions we...

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.

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...

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’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...

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,...

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...

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...