And more hashing power is coming online all the time. Here's a link to long-term plots of the difficulty and reward for Bitcoin mining: http://www.blockchained

And more hashing power is coming online all the time. Here's a link to long-term plots of the difficulty and reward for Bitcoin mining: http://www.blockchained.com/chart_large_log.png http://www.blockchained.com/chart_large_log.png