Lanshiyao blockchain is an infrastructure that meets national blockchain technology standards and is a high-performance, secure, and trustworthy blockchain. Supports Solidity smart contracts, and Lan's Yao points are also developed using Solidity, which has the characteristic of data being immutable. With the support of smart contracts, it ensures that the water tickets held by users are true and valid, and cannot be forged. It also ensures that the Blue Yao points can be recognized by major exchanges....