{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do blockchain validators regularly clean up chain data?","a":"Blockchain  validators also maintain the chain by updating the ledger with new transactions and ensuring the security and integrity of"}]}],"pr":"55b0a9c38557b48676ba3b28c95696fe80149f3ddb8f23b6ae797393c8c87901"}