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Confessions Of An Accidental Bitcoin Miner August 31,2013 – 11:08

It’s a Long Way to the Top If You Want to Mine the Coin I first heard about Bitcoins in June 2011,two years after Satoshi wrote his paper. At the time,I had already been renting a small commercial office in the San Francisco Bay area to use as a “man cave”,a place to have some peace and quietness. After reading up on Bitcoins,I hoped that Bitcoin mining could pay the office lease. Notably,it was an all-inclusive lease,with utilities included. For a Bitcoin miner,free (or more accurately,complimentary) electricity has a better ring to it than even free beer.

So,I bought a few Radeon HD 7790 graphics cards (not ideally suited for Bitcoin mining,as I later realized),two motherboards,two inexpensive Athlon CPUs,some RAM,and two 750 W power supplies and started mining at the mining pools Deepbit.net and,as a backup,the now defunct MtRed.com.

Soon after,like any true gambler,I decided to double down and bought more graphics cards. This time,they were better-suited Radeon HD 5830 cards. Certain motherboards,like the Bitcoin miner’s favorite,the MSI 890FXA-GD70,can accommodate four double-wide graphics cards across four PCIe slots. Thus,two mining rigs could accommodate eight 5830s and achieve a hash rate of almost two GH/s (Gigahash per second). Finally,using a total of eight motherboards and approximately twenty graphics cards,I achieved slightly more than 4 GH/s.

Unfortunately,an office A/C is designed for two people and two PCs,not for multiple 750 W mining rigs running at full throttle. Noticing that the office was getting quite hot,I created some air ducts out of cardboard to funnel the waste heat exhausted by the graphics cards right to the windows’ mosquito screens. Each air duct had a 120 mm LED fan at the end,and it was these fans that proved to be my downfall. They shone mesmerizing circles of intense blue light into the peaceful California night. Eventually,the owner of the office building saw the blue circles,walked up to the ground floor window,and felt a blast of hot air in his face. Shortly thereafter,I was evicted.

Source: bitcoin-pay.yoyafi.com