回复：关于比特币的问题
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没错，使用发送至 IP 选项时，你发送给的是响应那个 IP 的人。发送到比特币地址则没有这个问题。
计划实现 IP + 比特币地址选项，兼具两者的优点。它仍会为每笔交易使用不同的地址，但接收方会用给定的比特币地址为这个一次性地址签名，以证明它属于预期的接收方。
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That's true, with the send-to-IP option, you are sending to whoever answers that IP. Sending to a bitcoin address doesn't have that problem.
The plan is to implement an IP + bitcoin address option that would have the benefits of both. It would still use a different address for each transaction, but the receiver would sign the one-time-use address with the given bitcoin address to prove it belongs to the intended receiver.