LBD is a purely decentralized spontaneous community building Social experiment. It can meet the requirements of decentralization, and has better anonymity. At the same time, it supports Tamper resistance real-time transactions, and ensures that ordinary POW and master node services benefit at the same time. It is committed to creating an industrial alliance with Cryptocurrency as the circulation medium and value anchor, and uses blockchain technology as the underlying technology support to provide the world's visually impaired people with maximum convenient services....