R coin is a Electronic cash system in a remote payment scenario, which is mainly used for payment business among transnational commerce, international finance, and various financial institutions. R coin is a Open platform system for payment based on blockchain, which focuses more on large amount payment. In the payment system built with R currency, payment transactions are processed in real-time transaction by transaction to achieve full settlement. R-coin is a more comprehensive and optimized electronic digital currency, which gives more possibilities for its application in specific scenarios. In order to solve the problem of high commission fees and long transaction confirmation time in Bitcoin, R coin adopts 8M block capacity and combines Lightning Network technology to achieve a leap in transaction transfer speed....