其他参与者原话theymos原帖 ↗发送方客户端会多发一些比特币来覆盖费用吗（这样收款方拿到的正是他期望的数额）？
Does the sending client send more BitCoins to account for the fee (so the recipient gets what he's expecting)?
会。
Yes.
其他参与者原话SmokeTooMuch原帖 ↗为什么我们还需要费用？我以为"无费用"正是比特币的优点之一呢 ?!
why do we even need fees ? i thougt the no-fees-feature was one of the advantages of bitcoin ?!
几乎所有交易都是免费的。如果一笔交易必须把 500 多笔你收到的最大额付款加总才能凑够金额，它就超过了最大数据体积限制。超限交易加一笔小额费用仍可发出。
Almost all transactions are free. A transaction is over the maximum size limit if it has to add up more than 500 of the largest payments you've received to make up the amount. A transaction over the size limit can still be sent if a small fee is added.
数据体积处于平均水平、以及不超过平均水平 500 倍的交易，都是免费的。
The average transaction, and anything up to 500 times bigger than average, is free.
只有发送数据体积特别大的交易时才会收取手续费，即便这样，算下来也大约只有金额的 0.002%。这并非从系统里抽走的钱，它只是流向其他节点。如果你为付这笔费而难过，你随时可以反客为主自己运行一个节点，说不定哪天你自己就捞到一笔 0.44 的费用。
It's only when you're sending a really huge transaction that the transaction fee ever comes into play, and even then it only works out to something like 0.002% of the amount. It's not money sucked out of the system, it just goes to other nodes. If you're sad about paying the fee, you could always turn the tables and run a node yourself and maybe someday rake in a 0.44 fee yourself.
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