Coinkite, the canadian company behind the portfolio cold Coldcard and Opendime, a sticker that allows you to exchange bitcoins from hand to hand, published this October 28, all the necessary information so that users can build their own devices to manage private and public keys with parts available in the market.The information available on GitHub, provides the diagram and the details to build a portfolio-style Coldcard, which incorporates a dedicated chip storage of private keys that can be administered without an Internet connection and you are not required to be connected to a computer to complete the operations. In the publication, the company ensures that the construction is simple and the materials of the list are accessible.The company notes on its website the following: “we are sharing this information for the benefit of the security researchers who want to analyze the Coldcard more completely.” The initiative was applauded by several bitcoiners who shared the information through social networks.
“Today, we have posted all the information you need to be able to build your own @Coldcardwallet from off-the-shelf parts.”https://t.co/PB6R83Rlr5 pic.twitter.com/7FfTLpgQ5J— max hillebrand (⚡️₿ lex rex ₿?) (@HillebrandMax) October 28, 2019
“all the information you need to be able to build your own Coldcard from off-the-shelf parts.”Add this to the growing list of reasons why @coldcardwallet is the best bitcoin hardware wallet available.https://t.co/cQynlFsP52 pic.twitter.com/151q7WYGUj— Matt Odell (@matt_odell) October 28, 2019
Coinkite launched the first generation of these devices in 2017, as outlined Breaking News. One of its main characteristics is its minimalist design, which is similar to that of a calculator of the years 90, but also highlights its functionality and ease of use. The Colcard has been improved two see through updates.The developer team of this portfolio cold launched Opendime more than two years ago, a USB device is disposable, which facilitates the management of bitcoins and litecoins and that looks like a sticker. The device holds a private key that can be exchanged as a money trust, just as they have referred to their creators. So that the device can pass from hand to hand as a form of exchange that does not require electronic transactions, and that depends on the amount stored.In the market there are hundreds of wallets to store and protect the cryptocurrencies, but the alternatives vary between the level of security and ease of use. Currently, the offline storage or cold storage, it is considered more secure since it reduces the possibility of malicious attacks from Internet connections.