Many Bitcoin enthusiasts are concerned about the massive increases that the mining difficulty level has experienced over the past several months. As ASICs fly off the shelves, the network's hash rate skyrockets (we just recently hit 1 petahash, or 1 quadrillion hashes per second), which rapidly boosts the difficulty level, sometimes doubling it in less than a month.
In fact, most ASICs that are sold do not even exist yet, and the buyer has …