{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the role of the evidence storage module in the blockchain?","a":"The main  function of the evidence storage module in blockchain is to ensure the authenticity, security, and traceability of data. By using blockchain technology, the evidence storage module can achieve real-time recording, storage, and verification of various types of data such as information, files, transactions, etc., ensuring consistency and credibility of data without any centralized control. thereby, the evidence storage module provides a reliable data storage and transmission mechanism for various fields, helping to eliminate information asymmetry and trust crisis, and improving the transparency and efficiency of business processes. Meanwhile, the decentralized and tamper-proof characteristics of blockchain technology also provide strong guarantees for evidence storage, ensuring that data can always maintain its original state."}]}],"pr":"afa6ad964d5620773dc9401590ce2f381ec030e975d42e0e815797ad971eb683"}