RE: This is all it would take for bitcoin to become a useless cryptocurrency

[rickmf]

if mining gets too expensive people just shut down the equipment.

Comments

[exploremagic]

Also, BTC miners have proven to be highly resilient and will stick around even if the price drops to a point where they aren't profitable. The big players, who have invested a fortune in their hardware, know that they will lose their investment if they just shut down operations.