{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How are blocks formed in a blockchain?","a":"Generating: In the main body of the block, a Merkle tree is generated for all transaction information. The Merkle tree is a tree-like structure used to efficiently verify the integrity and accuracy of transaction data. The leaf nodes contain the hash values of individual transactions, and the non-leaf nodes contain the combined hash values of their child  nodes' hash values."}]}],"pr":"64f65c1ca2c59145cf0d53c35c4e817d7292317fe8c9017b8aff74e3e62ab449"}