{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do you store permanently immutable image files in a blockchain?","a":"Utilizing the distributed ledger technology of blockchain, the byte data of the image file is encoded into a string, and the string is recorded  as a transaction on the blockchain. In this way, the data of the image file is fixed on the blockchain, achieving the feature of being impossible to tamper with."}]}],"pr":"6fd30fda859629e2b118e4fdeb4689d3da1d72391f7141a4ccec90536caa39f9"}