{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the ways to store blockchain data?","a":"On-chain storage: On-chain storage refers to the direct storage of blockchain data on various nodes of the blockchain network. This storage method includes block data and state data, such as transaction records and account balances. On-chain storage has the characteristics of high security and immutability of data."}]}],"pr":"894f95623e2ea2cd9bdc0d12fee95dc852a5ea44af4c52a5420903a84c6787fa"}