{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do block hashes and lifecycle in transactions prevent duplicates and determine transaction timestamps?","a":"Lifecycle: The lifecycle of a transaction in the blockchain includes several stages:\n\n a. Waiting for confirmation: The transaction is bundled into a new block."}]}],"pr":"fca5b10ef07120d0c28ede9d8336d4c8efd984f9773edb35d3fe09c73d1f4fdb"}