I bid .11

I decided to make a quick graph of what would happen if Bitcoin used PPCoin's difficulty adjustment. The results are kind of strange, as you can see in the graph below.

The results are on a semi-log plot, with the Y axis being difficulty and the X axis being blocks. As you can see, when Bitcoin has a difficulty of 10^6 (one million) PPCoin has a difficulty of 10^10 (10 billion).



I think that's a little high. Do you think Bitcoin would be successful if it had a mining difficulty of 10 billion right now? Is this how SunnyKing will achieve his goals of a coin that nobody wants to mine?

Good luck overcoming the (well deserved) vanity of a successful engineer... my simulations were perfect, I tell you.

These toy devices are a PITA in my experience. I wish them good luck if they do not have experience with these products. Hopefully they are easier to use than a Beagleboard or similar.

Avalon engineered the OpenWRT solution to work effectively.

I don't know what they had to do to make that happen, but I know that you can get away with using a low computer power single purpose device if well engineered to the application.

Everyone in this thread seems to be suggesting the end consumer should slap some 5W toy device called a "Raspberry Pi" into their BFL miner. My experience tells me this is not a real solution.

What operating system and mining software should they install on it? What optimizations should they perform on the OS build to ensure the bitcoin miner is not interrupted by other processes?

If BFL isn't going to provide a mining controller, then most users will end up using a real computer, not a "Raspberry Pi." You should be more realistic.

What's the point of talking about something that doesn't come with the device?

I know BFL has a thing with physically attaching unrelated consumer hardware to its mining equipment, but design does not transfer by Osmosis. If I glue an IPad to my Bitcoin miner it doesn't mean my Bitcoin miner becomes a well designed and intuitive device.

Will a "Raspberry Pi" (whatever that is) going to have the bandwidth to handle difficulty 1 mining from a 60GH/s device. I doubt it. So the power consuption for a "Raspberry Pi" is pretty irrelevant as well.

I'd like to point out that the power usage for this unit is economically irrelevant, and not really necessary for discussion.

The statistic that matters most is time -- Avalon released first, so they win. That's really all there is to it.

Yes, but those losses and loads were part of your power budget for 400 watts, correct? Don't be like Josh-- you were expecting less than 6.6 W/GH/s. Simulating the power performance of a chip like this is a lot more difficult problem than calculating how many watts you will need for the fans. Its completely understandable the simulations were slightly off, but still on the same order.

Its faster than they initially announced, they probably increased the clock frequency, but the power consumption is higher than simulated. Its really not that big of a surprise. Its not really a factor in the operation. The largest factor in Bitcoin mining is the breakeven point, when the money laid out matches the return of the miner. Most of this is the cost of the equipment and variable costs like electricity are very tiny with a device this fast.

And, because the design is modular, the modules can be replaced with more energy efficient 65nm process chips in the future.

Bitcoin's readjustment gets a rate using two times and uses that to adjust the difficulty within the limiter. The chain with the highest difficulty is the one selected by the reorganization. Every single block in your chain depends upon the last blocks difficulty. We can't use it because we don't have central check pointing to say which blockchain is the true one. It adjusts too often to lead to a stable network without central checkpointing.

Here's a question for you, how is PPCoin going to remove the centralized checkpoint sharing when difficulty target is based on the immediately preceding block? What happens to a coin that does this and has a reorg? I guess that means Freicoin can't use your difficulty adjustment algorithm. This is the reason for the 8 block delay for the filter output.

He did this with the numbers ABE gives out, which only works for coins that use the Bitcoin difficulty adjustment. Do you think your coins hashrate was bouncing up and down like that?

BFL minirig SC (1.50 TeraCFM) That is a lot of fans to fit into such a small volume. I'm not sure you have the chops.  

I don't get it. Is crazy_rabbit the guy that made TRC or what?

I don't really know anything about TRC other than it is the same as Bitcoin.

Price reduced to 30,000 FRC. Here is a video of someone using the wheel with Gran Turismo 5.

http://www.youtube.com/watch?v=ZNW0uA5xePY

I think this is appropriate. The demurrage is less when there is less mining activity. I have always wanted a currency which increases in value when economic activity is slow and decreases in value when economic activity is overheated. Hopefully it creates a self-regulating system to manage booms and busts.

Well the good thing for people that hold Freicoin is this effectively greatly reduces the time value of demurrage. In a way it makes Freicoin worth more because you're losing less.

hmmmm, so where can I download a full distribution of Bitcoin's debug/build/configuration/gitian/test scripts? BlueMatt's github?

I don't ask to antagonize the bitcoin developers, but to point out the wrongness of the argument that Avalon can't delete their debug/support code.

Deliberately breaking open source software by not providing all the necessary tools is a time honored tradition, especially with the professional implementation consultants who often work their way up to positions of authority in open source software projects. For an easily accessible example of this see the history of OpenERP&GnuHealth which is a good example of "open" software in action.

Dont forward the RPC port (8332)

There is no need for people on the outside to connect to the remote RPC port.

Have you been able to get solo-mining work yet? If your mining software shows any hashes at all it is working.