{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the expansion solutions for the blockchain?","a":"Layer 2 expansion: Build one or multiple networks on top of the blockchain, transferring part of the transaction data  or computing tasks to these networks to alleviate the burden on the main chain. Common layer 2 expansion solutions include:\n\n   - Lightning Network: A secondary payment network based on Bitcoin."}]}],"pr":"14dc770ad7f74423fecb34cf681a24cc18897e8b03cbb702f56d104c2fd4679f"}