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The risk concentrates in BIP39-seed, xprv-import, and 4.0.x Electrum wallets. The remedy is a fresh export, since upgrading the software does not recover key material already lost with old backups.
Both vendors agree the bug is real on a lab bench; Tangem argues it stays academic because resetting the PIN needs a laser, the card in hand, and rare know-how.
The reported detention follows legal cases in the United States and Finland, putting renewed scrutiny on the founder and his crypto projects.
The reported detention sent HEX and PulseChain’s PLS lower, adding pressure to tokens already far below their past highs.
The defining gap is the backup model: DCENT S issues a non-signing R3covery Card, while Tangem duplicates full-signing cards, a trade-off between segmented security and immediate redundancy.
A hardware wallet stores private keys offline on a dedicated device, signing transactions in isolation. It stops remote theft but not phishing, coercion, or supply-chain tampering.
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