Bitcoin is a cryptocurrency and worldwide payment system. :3 It is the first decentralized digital currency, as the system works without a central bank or single administrator. :1 The network is peer-to-peer

Introduction Ring:bit is a simple module based on micro:bit. It can lead out 3 IO connectors, power connectors, ground connectors on the micro:bit board. On this module, we have transformed P0/P1/P2 into