{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain apply to the transaction record of the settlement market?","a":"Data cannot be tampered with: Blockchain adopts encryption algorithms and timestamp technology to ensure that transaction records in each block are closely connected in time sequence, forming an unchangeable chain. Once transaction data is recorded on the  blockchain, it cannot be tampered with."}]}],"pr":"35ae6d429fc23e82b308c053615abeb52bbbbb862c1a5254f4328c6096793246"}