{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the role of validator nodes in a blockchain?","a":"Create new blocks: After verifying transactions, validator  nodes will package the eligible transactions into new blocks. New blocks contain a series of verified transactions and are connected to other blocks through hash links, forming the structure of the blockchain."}]}],"pr":"90648fc20503d5545e9b84d28637b984a923456e06d16d7dc6b81ec252fd43d0"}