{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain manage chain upgrade proposals?","a":"Consensus Mechanism: Participants (nodes) in the blockchain network need to reach a consensus to determine the feasibility and correctness of chain upgrade proposals. Common consensus mechanisms include Proof of Work (PoW), Proof of Stake (PoS),  and others, which ensure that nodes in the network participate in the chain upgrade process under fair and just principles."}]}],"pr":"987c7b0a0d64899c9f0936af88282e098f4d4efa04fca2e8d9c5ff6150b0523a"}