IndexChain is a blockchain designed for privacy, which applies encryption methods guided by expert advice. It has a complete privacy solution, featuring: high speed, scalability, security|, privacy, and most importantly, its decentralization. Therefore, the user of the platform is the bank itself, and there is no intermediary like the bank charging huge fees or freezing accounts arbitrarily, and users will not leave any traces after depositing and withdrawing funds on IndexChain. IndexChain is different from the current popular platforms (such as Monero). IndexChain is completely a proto-chain. The core focus of construction is: privacy. Users can browse with confidence on the Internet and digital Ethernet without worrying about being unethically monitored. . In addition, transactions in this blockchain adhere to privacy protocols recommended by industry leaders, as a basis to ensure complete anonymity of transactions.