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Software security researchers have reportedly been able to extract private keys from the Trezor One hardware wallets. Researchers have reportedly shown how they were able to hack the Trezor One, Ledger Nano S and Ledger Blue at the 35C3 Refreshing Memories conference. The demonstration of the hacks was published in a video on Dec. 27.The research team behind the dubbed “Wallet.fail” hacking project is made up of hardware designer and security researcher Dmitry Nedospasov, software developer Thomas Roth and security researcher and former submarine officer Josh Datko.During the conference, the researchers announced that they have been able to extract the private key out of a Trezor One hardware wallet after flashing — overwriting existing data — a custom firmware. However, they pointed out that this exploit only works if the user didn’t set a passphrase.Pavol Rusnak, CTO of SatoshiLabs (the company behind Trezor), commented on Twitter that they were not notified through their Responsible Disclosure program prior to the demonstration, and that they will address the reported vulnerabilities through a firmware update at the end of January.Moreover, the same group of hacker researchers also claimed during the talk that they were able to install any firmware on a Ledger Nano S, a leading hardware wallet. While the team used this vulnerability to play the game Snake on the device, one member of the team that found the exploit claimed:“We can send malicious transactions to the ST31 and even confirm it ourselves or we can even go and show a different transaction on the screen.”The team also demonstrated that they found a vulnerability in the Ledger Blue, the most expensive hardware wallet produced by the company, that comes with a color touchscreen. The signals are transported to the screen by an unusually long trace on the motherboard, the researcher explained, which is why it leaks those signals as radio waves.When a USB cable is attached to the device, the aforementioned leaked signals get strong enough that, according to the researchers, they could be easily received from several meters.Employing an artificial intelligence (AI) software deployed on the cloud, the team has been reportedly able to obtain the pin of the device from a dump of the leaked radio signal from the moment when the pin has been entered.When asked about BitFi, the hardware wallet promoted as being “unhackable” by crypto advocate John McAfee in July, a team member said that “we only talk about somewhat secure wallets” before concluding that “we didn’t want to use a Chinese phone in this talk.”As Cointelegraph reported in August, a teenage hacker claimed to have compromised the BitFi device. The producer has since denied that the device has been hacked since no coins have been extracted.Moreover, also in August, a group of researchers declared to have successfully sent signed transactions from the BitFi wallet, claiming to meet the conditions of the bounty program.As of press time, neither Ledger nor Trezor have responded to Cointelegraph’s request for comments. Source: Cointelegraph

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