Profitability of FPGA mining
In calculating your potential profit, keep in mind the following factors:
- The cost of your FPGAs
- Electricity costs to run the hardware
- Cooling costs—FPGAs generate a decent amount of heat
- Your percentage of the total network hashing power
To calculate expected rewards from mining, we can do the following. First calculate what percentage of total hashing power you command. To look up the network mining speed, execute the getmininginfo command in the console of the Bitcoin Core wallet. We will do our calculations with an FPGA that can hash at 1GH/s (which is 0.001 TH/s). If the Bitcoin network hashes at 400000 TH/s, then our proportion of the hashing power is 0.001/400000=0.0000000025 of the total mining power.
A Bitcoin block ...
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