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Pascal Gauthier and Mark Karpelès clashed publicly after manipulated Ledger devices with hidden chips were linked to tens of millions of dollars in crypto theft, with Karpelès accusing Ledger of sitting on a known risk.
Coinbase has called on Bitcoin developers to begin preparing the network for quantum computers well before any breakthrough arrives, warning that a later transition could take years to complete.
Ledger has confirmed that a hardware wallet linked to a customer of Asian retailer CryptoBilis contained an unauthorized hardware implant, as German users separately report suspicious devices bought through retail, including MediaMarkt.
A user says a Ledger hardware wallet bought at a European MediaMarkt store contained unauthorized components, as Ledger confirms a separate incident tied to Asian reseller CryptoBilis, whose ownership quietly changed months before attacks surfaced.
A critical integer-overflow bug in the XRP Ledger's payment engine could have let an attacker mint unlimited XRP. RippleX patched it before any known exploitation, bypassing the network's usual consensus procedure for the first time in more than a decade.
Ledger is investigating balance losses tied to a Southeast Asian reseller called CryptoBillis, while an unverified claim of $86 million stolen from Ledger users spreads online and separate phishing emails impersonate the company.
Attackers behind the Bitget hack have shifted roughly $3.9 million in ZEC into Zcash's Ironwood shielded pool, a move flagged by researcher ZachXBT, as the exchange's total losses from the September 24 breach climbed to about $388 million.
A token exploit that began with the theft of FET and unauthorized minting of NTX has widened to include SingularityNET's AGIX and World Mobile's WMTx, pushing estimated losses above $16.7 million. Fetch.ai has halted AGIX-FET conversion and suspended its Ethereum bridge.
Berlin's state government declined to pay a 30 Bitcoin ransom demand, roughly €2 million, after a cyberattack on its network in mid-August. The hackers say they have since published around 1.4 million files.