{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the roles of nodes in a blockchain network?","a":"Consensus Algorithm Executioners: Nodes participate in the execution of consensus algorithms to achieve consistent recognition of transactions and blocks by all parties in  the network. Consensus algorithms include Proof of Work (PoW), Proof of Stake (PoS), and others."}]}],"pr":"d14222fd039d2c58270c70d0e50ac399116aeb0a985c42e6d5210dcbabe3e17d"}