News
Qubic Wallet Drain: The Patch Cannot Fix an Old Seed
Qubic replaced Math.random() in its web wallet after 1,404 wallets were drained, but the fix only secures newly generated seeds—not old addresses.
Michael Gu
Category
Self Custody
Articles tagged Self Custody.
Wallets
Trezor Safe 5 Review (2026): Best-Balanced Trezor
Trezor Safe 5 review: is the $129 touchscreen wallet worth it in 2026? Compare Safe 3, Safe 7 and Model T, plus the iPhone limits.
Michael Gu
Wallets
Trezor Safe 3 Review (2026): The Best US$79 Cold Wallet?
Trezor Safe 3 offers open-source cold storage and an EAL6+ Secure Element for US$79. Best for holders who accept a tiny screen and no iPhone support.
Michael Gu
Wallets
Ledger Stax Review (2026): Is the $399 Wallet Worth It?
Ledger Stax offers a curved E Ink screen and Qi charging for US$399, but not stronger key protection. It suits design-first buyers, not value seekers.
Michael Gu
Wallets
Ledger Flex Review (2026): Is the US$249 Wallet Worth It?
Ledger Flex offers a 2.84-inch E Ink touchscreen for US$249. It suits buyers wanting a premium Ledger without paying US$399 for Stax.
Michael Gu
Wallets
Ledger Nano Gen5 Review (2026): Best Ledger for Most?
Ledger Nano Gen5 adds an E Ink touchscreen, Bluetooth and Clear Signing for US$179. It is the practical Ledger for regular mobile crypto users.
Michael Gu
Wallets
Trezor Safe 7 Review (2026): Is Wireless Worth US$249?
Trezor Safe 7 adds Bluetooth, wireless charging and a larger screen for US$249. It suits mobile users who understand the TROPIC01 disclosure.
Michael Gu
Wallets
Cold Wallets Failed the Boring Way: A 2021 RNG Bug and $130M+ in Stolen Bitcoin
Coldcard routed seed generation to a weak software PRNG for years. Attackers are sweeping wallets offline, and firmware fixes do not save old seeds.
Michael Gu
Wallets
Hot Wallets vs. Cold Wallets: Differences, Pros and Cons
Hot and cold wallets are used to store your cryptocurrencies, specifically your private keys which grant you access to your crypto assets.
Angela Wang
Wallets
KeepKey Review (2026): Open Hardware, No Secure Element
KeepKey remains maintained with open hardware and a large screen, but no Secure Element. It suits budget buyers who can control physical access.
Angela Wang
Wallets
Ledger Nano X Guide: Setup, Bluetooth and Recovery Safety
Set up Ledger Nano X safely, verify the device and receiving addresses, understand Bluetooth, protect the 24-word phrase and compare backup choices.
Michael Gu
Wallets
Ledger Nano X Review: Bluetooth Mobility vs Newer Ledgers
Ledger Nano X adds Bluetooth, more app storage and phone support, but newer touchscreen Ledgers improve transaction checks. Best for mobile users.
Michael Gu