Abstract: The present disclosure relates generally to a system of wallets and micro-wallets used to store and transfer cryptocurrencies. The physical CashCryps module and its software allows payors and payees to transfer cryptocurrency during purchasing transactions using physical devices. The limitations of virtual wallets are overcome by this invention. This invention provides simple and secure access in a physical embodiment, thus eliminating the need for complicated transfers involving private keys, public keys, internet-dependent transactions, gas, and other limitations of cryptocurrency wallet systems that are known in the art.