Nothing has changed since the funds in our possession have travelled from physical wallets made of leather and textile or porcelain piggybanks to online wallets created from intangible matters. The keeping principle is still the same – the secret and even intimate carrier has to be reliable, safe and private. No holes, especially cryptographic, can be tolerated. Types of Bitcoin Wallets Let us make the first stop at the types of wallets presented to the Bitcoin users. One of the widely used classifications divides all of them in three main groups: Desktop wallets. Mobile wallets. Internet wallets. Each has to …