{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the offline expansion technologies for blockchain?","a":"Cross-chain technology: To solve the interoperability problem between different blockchain networks, cross-chain technology has emerged. Through cross-chain technology, data, assets, and business processes between different blockchain networks  can be exchanged and integrated."}]}],"pr":"35247a07d7b95aa1cc4c6fb5ca0919bd5d0966429bb1c3a74923c0310d70f60d"}