Cash coin is a digital blockchain currency that converts virtual currency into real-world applications and asset management through smart contracts. Cash coins aim to connect all stores and universities through a simple and easy-to-use digital currency, which can be directly accessed through mobile phones, tablets, and other devices. The mechanism of cash coins and network caching can support thousands of transactions per second. With its advanced technology, cash coins will be able to quickly connect transactions to high security blocks. Every cash coin in the blockchain network is completed in 60 seconds, with incredible speed....