Please note that all of this is speculation on my part, and until BFL customers receive their units and we have concrete data to crunch, this post is to be taken with a grain of salt.
That said, I pre-ordered a Jalapeno box a few days ago. This got me thinking: how much will I have to mine and how low must the difficulty be when I start to be able to break even or turn a profit?
Well, it will either be really pretty, really ugly, or something in between. It has been rumoured that approximately 50%+ of units purchased were Jalapeno boxes. As for the other units, I can only guess. My hope is that the difficulty stays somewhere south of 65 million by the time I have my unit hooked up and roaring, but the calculations seem a little different:
http://imageshack.us/photo/my-images/716/difficultynumbers.jpg/Link to image:
http://imageshack.us/photo/my-images/716/difficultynumbers.jpg/The Avalon batches were crunched using the wiki page:
https://en.bitcoin.it/wiki/Mining_hardware_comparison#ASICI had to guess for batch 3, but I assumed the hashing power for the units were the same as batch 2.
The percentages were total guesses, but messing with them doesn't alter the total hashing score tremendously (please feel free to prove me wrong). 33,000 BFL units pre-ordered was a complete guess. For all I know, it could be 10,000 more or less (more like the former than the latter).
Things to consider:
- Some Avalon ASICs will already be online and hashing. This was not included in the number crunching (therefore, it could be a bit less)
- When ASICs become mainstream, many people currently mining on GPUs will give up on their endeavours, as it will prove unprofitable ($/watts used > BTC mined). This will lower the global hashing. I am not sure by how much, but for all we know, it could be 90% of people currently mining (doubtful).
- Other ASIC companies may become prevalent and create units to compete with Avalon and BFL (thereby increasing the global hashing and difficulty)
Open to other constructive ideas...
Well, my *guess* for what the difficulty will be by the time my Jalapeno arrives on my doorstep (I ordered a few days ago, so probably not until at least August... maybe) is somewhere between 45-175 million.
I welcome all responses, and if anyone has any ideas, concepts, or variables to factor into the global hashing calculations, please do present them!