{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can the efficiency of block production be ensured in a blockchain?","a":"Transaction Validation:  Each block in the blockchain contains a list of transactions that have been validated and approved by the network's nodes. Nodes perform thorough validation of transactions before adding them to the block, ensuring the integrity and security of the blockchain."}]}],"pr":"c62f8a2229ebd94a74502ca4fd905c38ec454f55afa35543af6af635d1a49403"}