They're little space heaters... and this 'proof of work' is what separates Bitcoin from nearly 99% of all 'crypto'.
This is the best thing that ever happened to Winter season. You are keeping yourself alive by pushing the cause of hypothermia and at the same time you are earning by auditing up to 4000 transactions every ten minutes. You are hitting two Giant birds with one stone.
I love my little miner. It's an older model but I still get about 5th on economy settings. Great in winter can't wait for Bolt 12
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