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Today at 08:19:00 PM |
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Bitcoin mining difficulty continued to increased during the period. Miners mined bitcoin in 2010, but it was also in 2010 that miners have started using GPU to mine bitcoin for better profit and the mining difficulty was increasing.
In 2009, less miners In 2010, more miners The block reward 50 BTC in both years.
Miners moved to GPU before 2010 ended. So I choose 2009.
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