No, the difficulty of a block is binomially distributed.

The minimum difficulty required for a block to be valid is the thing that stays the same.  Within that 2016-block window the actual difficulty of various blocks varies above that threshold.

Do you know how coinbase sets its price?

right now it's $239 on gox and about $238 on coinbase.

How did that happen???

[02:22:57] <phantomcircuit> and finally and i suspect most significantly they dont answer the question of what happens when two selfish pools are operating at roughly equivalent hashing rates
[02:22:59] <HaltingState> its ripple's security model
[02:23:02] <sipa> but we should aim for a system that doesn't need such assumptions to be secure
[02:23:07] <phantomcircuit> i suspect that they both lose out in the end
[02:23:09] <HaltingState> "nobody will ever try attacking the system as it decreases the long term value" <-- ripple ahaha
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[02:24:18] <phantomcircuit> sipa, it's the combination of all of them that has the largest impact
[02:24:27] <phantomcircuit> by itself that's not a significant consideration
[02:24:42] <phantomcircuit> but if they tried and only were able to increase their revenues 25%
[02:24:46] <phantomcircuit> well that's just pointless
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[02:25:17] <HaltingState> if one mining pool increases revenue against another; does not affect bitcoin; mining is just unfair now, but security is same and does not affect anyone except miners
[02:26:26] <@gmaxwell> phantomcircuit: not just a little more variance, a LOT, this was elu's almost instant comment on the subject.
[02:29:57] <phantomcircuit> gmaxwell, yeah i assumed as much but wasn't sure
[02:30:18] <phantomcircuit> either way it's pretty clear to me that their conclusion is wrong
[02:31:52] <@gmaxwell> phantomcircuit: when successful it makes you get more blocks by orphaning the other guys more, but you get less blocks (because you get orphaned more too) so you don't really enjoy _gains_ until the difficulty drops.
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[02:34:41] <phantomcircuit> gmaxwell, ah i hadn't thought of that
[02:34:50] <phantomcircuit> im sure it's much easier to just ddos everybody :/

b) increased transaction rates mean more money spent on overhead, rather than the hashing power that keeps bitcoin secure

something we may need some time in the future as the profit margins in mining become lower.

Yeah, but there's a big difference expanding exponentially within the realm of still-doesn't-matter-much-globally and cracking through to major geo-political influence.

What's the logic behind your reasoning?

Up in the $10k range if not higher.

Show me an ATH or reasonable spike which did not end with a crash?

This is what makes it so amusing.  The bears think they are being special butterflies by saying crash! crash! but are really part of the mindless heard themselves.

Whenever we hit ATH

Anyone can offer me 200-400 BTC with price around $200 - $220 per BTC.

Thanks.

Payment using PayPal and my debit card.(the money will deduct from my local bank account).

I thought it was relatively well established that of the first 32,000 or so blocks, many must have been Satoshi.