{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to limit message sending to the bank module in a blockchain?","a":"Network Consensus Limitations: The message sending of the bank module  needs to undergo network consensus, such as Proof of Work (PoW) in the Bitcoin network or Proof of Stake (PoS) in the Ethereum network. Such consensus mechanisms can ensure that only nodes that meet the qualifications can send messages, thereby limiting the scope of message sending."}]}],"pr":"ec105ad025b00ee26b146bff1fb6bb2da4309253147819e193f1d67d9b1b3017"}