The answer depends on your electricity costs, your mining rigs, the pool you join (if any) etc.
I think what you want to know is...Can bitcoin become unsustainable?
The answer is no. The complexity of the problem thatis solved by the mining equipment fluctuates automatically depending on how much processing power is in the netowrk. If it becomes so competitive, that no longer make profit from running your mining rig, you would turn it off, and the network would work fine.
The network will work perfectly well, with 1 home laptop mining, or with all of the worlds computing power mining.
Protect your assets and profit from the greatest wealth transfer in history.
Want DP delivered to your inbox daily? Subscribe here: