{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied in the field of product traceability?","a":"Immutability of information on the chain: Once information is uploaded to the chain, it cannot be erased, which decentralizes the power of centralized institutions. All parties involved (such as brand owners, testing institutions, government regulatory  authorities, etc.)"}]}],"pr":"0960171a512c3cc2cbd9135b3f797d7aed9456d0eac4b0499dae9a2a18792693"}