Offline storage. In some cases known as ??cold storage??or simply a ??cold|chilly} wallet,??it is considered a secure way to retailer BTC because this sort of storage isn?�t obtainable by using an internet connection.|It is actually believed that Satoshi Nakamoto, the pseudonymous inventor of Bitcoin, owns by far the most Bitcoin. https://bitcoin48136.ttblogs.com/9891541/about-bitcoin