{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How are transaction fee refunds calculated in the blockchain?","a":"The transaction fee refund in blockchain is calculated based on factors such as network congestion, miner fees, and the importance of the transaction. The refund calculation method is as follows: First, miners determine the transaction fee for each transaction based on the network congestion and the importance of the current transaction. Then, these fees are allocated to miners in a certain proportion. When the transaction  is successfully confirmed and added to the new block, part of the transaction fee (usually 50% of the miner's fee) is refunded to the sender. In addition, if a transaction is suspended for a long time due to network congestion or other reasons, the blockchain system may adjust the transaction's priority based on the situation, thereby"}]}],"pr":"6180738de3679a02e22a3dca7006a053a43b570448cb7de7387625ee65877c9a"}