{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do smart contracts in blockchain promote the security and transparency of transactions?","a":"Decentralization: Blockchain technology adopts a decentralized network architecture, with data stored on multiple nodes, avoiding single centralized  control and thereby reducing the risks of data tampering and attacks."}]}],"pr":"03e37931a4d878f0a4911e917885095a6384fc3ca6603e5bb8650323de48f44a"}