The cryptocurrency wallets made by Trezor have long been considered a standard of the industry and have been trusted as a reliable cold storage of cryptocurrencies by large media, blockchain developers and crypto enthusiasts worldwide. The company prides itself on the quality of its product and in being one of the leaders in the market of hardware wallets. But it was only a matter of time before the Trezor’s flagship device got the attention of fraudsters. On Nov. 19, the company issued an official warning to users which reported that an almost identical copy of Trezor One was spotted in …

Cryptocurrency hardware wallet manufacturer Trezor issued a warning to users Nov. 19 after making what it called the “startling” discovery that rogue actors were creating and selling fake devices. Trezor, which together with Ledger and KeepKey forms one of the oldest and best-known wallet manufacturers, said that an “unknown” third party was distributing “one-to-one copies” of its flagship Trezor One device. “Trezor clones have been released over the years of our activity,” officials said, noting: “However, in recent weeks, we have discovered something more startling. A one-to-one copy of Trezor One. In other words, a fake Trezor device, manufactured by …

U.S. payments processing company Square has announced that it is open-sourcing its Bitcoin (BTC) cold storage solution in an official blog post published today, Oct. 23. Cold storage refers to a method of keeping cryptocurrency holdings and users’ private keys offline in order to safeguard against theft via a remote attack. According to the post, Square’s solution, dubbed “Subzero,” uses a Hardware Security Module (HSM)-backed cold wallet for which the company has now released the code, documentation, and tools. Today’s post outlines that an HSM is a specialized hardware device that is used across the payments industry to “store sensitive …

Cryptocurrency hardware wallet manufacturer Bitfi called claims their wallet had in fact been hacked a “disgrace” in comments to Cointelegraph August 2, as controversy around the company’s security prowess builds. In a statement to Cointelegraph, Bitfi CEO Daniel Khesin said that it had “absolutely no evidence” the wallet was insecure: “As of now, we have no evidence that our device can be hacked and if someone succeeds in doing so then we will immediately put out a fix to all devices to address the vulnerability that was discovered and it will be unhackable once again.” Bitfi and official partner John …

The hardware wallet Trezor has been integrated as a password-less login option to Bitex, Coinpayments, CoinSimple, Osclass, and Strip4Bit. The Trezor login replaces the traditional email/username/password approach, and developers hope that more sites will add Trezor as a login option. BitStamp, Drupal, Slush Pool, and even Wordpress are on the “planning to integrate” list. In addition, Trezor now supports Dash. This addition follows previously supported cryptocurrencies Litecoin, Viacoin, Mazacoin, and colored bitcoins. These coin types are supported via Trezor's integration with the wallets Coinprism, Electrum, Encompass, Multibit HD, and Mycelium (which Trezor staff now calls “Trezor apps”). Marek “Slush” Palatinus, …

On December 8, Blockchain.info—a Bitcoin web wallet provider and block explorer—announced that they’d misfired a software update. The faulty update resulted in insecure private key generation for “less than 0.0002%” of their users for a few hours, and about 250 bitcoins were consequently reported stolen. An anonymous white hat (meaning well-intentioned) hacker going by “johoe” noticed the security problem and began sweeping coins from vulnerable addresses. Two days later on December 10, the white hat hacker emailed Blockchain.info and offered to return the 255 bitcoins to them, worth about US$90,000 at time of writing. Johoe apparently uses a Trezor hardware …

Bitcoin hardware wallets are an area of digital currency security still very much in its experimental phase. Developers are striving to offer the most advanced security features in the most accessible way possible, but the complexity of the undertaking often results in misunderstandings on the part of the consumer. With this in mind, Cointelegraph sought to provide a summary of the credentials of the main hardware wallet products on the market today. Included are the major offerings which are either already available or in the final stages of development with release imminent. The products under review are: Bitcoincard (Mycelium) Bitsafe …