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Never mined Bitcoin before, trying to start with a basic miner more as a hobby, but a small positive return and some heating (winter is coming) will be some added bonus.
After looking around the internet, I found Avalon Nano 3S as an option that I think I like. So would like to get some opinions on its reliability.
Apart from any general opinion about the device, I would be grateful if you can tell me
  • My power outlet is 220 volts, 50 Hz. Single phase, type G plug (engineering details, not sure if they matter), but is the device compatible with it?
  • I do not want to mine with lottery philosophy (solo), so as a beginner which pools are compatible with the miner that will give me a fair reward?
As for the payout, I cannot afford to run my own lightning server yet, so I can receive on a fixed on-chain address, or a CoinOS wallet. So some advice about a beginner friendly pool (where I can also track my hashes and payouts) will be great.
Also, the best site to buy, if anyone offers a better deal than the Canaan official website.
You need the right power supply that comes with it or you can use a PDS power supply like this but it will not enable full power only medium power(3tb) https://www.aliexpress.com/item/4001104361776.html? Otherwise you need a PDS power supply that can runoff your mains power. I run my avalon off solar panels mostly on low and medium power (2.1tb and 3 tb). You can use Braiins pool which is the easiest to set up...and yes it works with coinos. Not sure if the reward is fair or not- its not a lot- you will not get rich quick that os for sure. I got my avalon Nano3 for USD$99 (without power supply) plus postage to NZ from the Canaan store but I think they now raised the price or may only now sell the NanoS3. You will struggle to ever get the money back you pay to buy these miners from mining even if your power is free. You could try buying a used one if you want to pay less than retail. Its only viable for a hobbyist approach and to get kyc free sats.
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@Solomonsatoshi gave you a lot of good information. I just want to say that I have had my 3s running since March and it is a very good, efficient, reliable little machine. I like Avalon products and I think I'll stick with them from now on.
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You might be able to find a deal offering satsback rewards from a vendor through Fold or other apps that have such rewards.
I love the Nano 3s. It's much quieter than my Bitaxe and produces much more heat/hash.
I chose the Ocean pool, which allows both on-chain and lightning payments. The lightning payments are Bolt-12, which CoinOs may not support. Alby only recently started supporting them and I still haven't gotten it to work.
I've only had mine for a few months and not always running on high, because it's been hot here, and it's already made back almost 10% of it's fiat cost.
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I've only had mine for a few months and not always running on high, because it's been hot here, and it's already made back almost 10% of it's fiat cost.
Are you factoring in the cost of electricity, or just the purchase price of the device?
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With how loosely I was rounding, it doesn't make much difference because the amount of electricity is still small compared to the initial cost.
If I net the electricity cost first, then it's recouped more like 3% of the initial cost.
That's not quite fair though, because it's been heating our basement which was useful heading into winter.
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It’s definitely an involved process to truly evaluate the ROI. I’m sure I’m spending a lot more on electricity but I’ve also got quite a few sats earned now. Certainly not profitable though
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The other thing is that eventually the sats earned will be worth more than the fiat spent, but the real comparison is whether you have more sats than if you had just bought bitcoin (net the heating savings).
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Yea, I’ve definitely seen the fiat value in my mining stack grow a lot. Probably not outpacing if I had just bought corn though
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Thanks a lot. Once bought, what kind of lifetime can I expect without it spoiling? Like a few years? Does it need regular repair or maintenance?
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I'm not sure what the lifetime is, but I think these miners last a long time.
The limiting factor will probably be the hash rate not keeping up with the difficulty adjustment at some point.
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