嗨，我的一个朋友有一台Antminer s9，他很久没有使用了，因为在熊市时比特币价格太低，挖矿已经变得不赚钱了。你们认为现在打开它，继续挖矿比特币是个好主意吗？

这台旧的比特币挖矿设备又有盈利了吗？

<p>Hi. A friend of mine has the Antminer s9 and he didn&#39;t use it for a long time because it became&nbsp;not profitable during the bear market when the&nbsp;price of bitcoin was so low. Do you guys think it is a good idea to switch it on and carry on mining bitcoin right now?</p>


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ccFOUND Archiwum 

Hi. A friend of mine has the Antminer s9 and he didn't use it for a long time because it became not profitable during the bear market when the price of bitcoin was so low. Do you guys think it is a good idea to switch it on and carry on mining bitcoin right now?