{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the query tools for tracking delegation and redemption records in the blockchain?","a":"Decentralized Application (DApp) platforms: Such as MetaMask, MyEtherWallet, etc., these platforms provide convenient blockchain query functions,  allowing users to view transaction history, contract deployment and running status information."}]}],"pr":"75637fca49b9a1ea42600624e18a619932396496182350bf50057c21bc4e6187"}