{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is the variability of NFT data implemented in blockchain?","a":"Blockchain technology: NFT is based  on blockchain technology, converting digital content into chain-based assets. The blockchain adopts a decentralized distributed ledger, making it difficult to tamper with the data, thereby ensuring the variable nature of NFT data."}]}]}