Remember the good old days when Bitcoin cost $ 30 a piece ( it was only a month ago )?
All this is in the past. The exchange rate has become three-digit, i.e. exceeded $ 100 for 1 BTC .

Monthly trading volume - more than $ 150 million, and the size of the money supply - for the first time exceeded $ 1 billion.

The complexity of mining (the selection of SHA256 hashes necessary for making payments in the system - for which part of the emission of bitcoins is relied) has dramatically increased over the last month - because finally, customers began to receive specialized Avalon- made computers with processors sharpened specifically for SHA256 calculation. But Butterfly Labs has not yet been able to create such a system, although it promised deliveries 7 months ago and still accepts pre-orders.
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Under the cut - a few photos of the miner from Avalon.

Specialized bitcoin computer (miner) Avalon