One of the biggest concerns with third-party bitcoin services like Coinbase is this: Who controls the private keys? If you host your own wallet on a mobile device or PC, or even have a printed paper wallet, ultimately you control when and how BTC moves from your private address to another. That’s not the case […]

It sounds like an offline cryptocurrency user’s dream device: A multi-signature enabled, smartcard-based, USB connected hardware wallet able to native support both bitcoin and altcoin wallets. It’s as thin as a credit card, and roughly the size of a house key. And for €20 (roughly $25), it can be yours. The new joint venture from […]