Xapo Announces Free Multi-Signature Deep Cold Storage; Five Private Keys Generated Offline and Scattered Across the World
If the headline sounds too good to be true, don’t worry. It isn’t and there’s more. During an interview with Bitcoinist, Xapo CEO Wences Casares said that in the wake of Mt.Gox and Bitstamp, they’re ready to implement their newest features to prove their dedication to security. In a four-part announcement, the California-based company laid out their plans for 2015 that would make any bitcoin enthusiast giddy. The Xapo deep cold storage vaults will now be three-of-five multi-signature enabled. According to Casares, the five private keys will be generated offline. The servers will never....
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Cold storage is perhaps the safest way to store your bitcoins (or any other cryptocurrencies) since cold wallets are kept offline. Anyone can send money to a cold wallet, but retrieving funds from cold storage isn't possible without physical access to the wallet, making this storage option a lot safer from online hackers. Many people print their private keys on paper, creating a "paper wallet". However, these types of wallets are susceptible to flooding, fires, ink wearing away, and more. Fortunately, CryoBit has created a more elegant solution - the Cryo Card. CryoBit claims to have....
Even a bitcoin wallet in cold storage, widely thought to be the most secure way to hold the digital currency, could leak its private keys to an attacker, a security researcher has found. An attacker could reverse-engineer a compromised wallet's private keys from as little information as a single transaction issued by that wallet. The attack is particularly worrying because it would be successful even if the victim maintained a wallet on an air-gapped machine without an Internet connection - or even in space, as wallet provider Xapo is attempting to do - according to the paper by Stephan....
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