{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to solve the energy consumption problem of blockchain technology?","a":"Adopting new consensus mechanisms: Such as proof of stake (PoS) and proof of authority (PoA), these consensus mechanisms do not require a large amount of computing power, but rely on verification nodes that hold a certain amount of digital  currency or have specific identities to confirm transactions and generate new blocks, thereby reducing energy consumption."}]}],"pr":"28bcc6a20c5f0a48939caf02bcb81b3edeb9d9c0856ee2669ec33ba12bdf5ad8"}