{"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":"19bc1d71861381b13805a3e1062d65da7c73b975acb9793d9cdf4d12f432b3eb"}