biskup that is a very unpleasant scenario but as long as a large portion of miners are divers machines (different os, patched versions, etc.) then the attack surface is rather difficult to gain a large portion at one time before the miner operators notice (no more coin being delivered for work, etc.)

Send me too, please if you still have some.

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I can image some day street beggars will be displaying the QR codes which we scan with smartphone and donate using purpose made app.  

so would someone explain this to me then?

is it possible/likely that one person purchased several Avalons or multiple folks are working together in a pool specifically to cheat the system?

how about the supposed BFL's? would they be detectable if they brought all their miners online to stage such an attack?

Yes
These regulations help stop trolls & allow those that are truly interested in the community to be involved. 

Looks like more financial papers are starting to pick up interest on BTC.  As many know WSJ is a HUGE paper that is read by millions around the world who are usually interested, work in, etc. the financial sectors of the world. This could mean absolutely nothing at all but what I found interesting was this part of the article.  "Financial Crimes Enforcement Network, known as FinCen, last month issued a three-page memo that effectively lays the groundwork to regulate firms that issue or exchange virtual currencies. Among other things, money transmitters must alert authorities if they believe a transaction might be tied to suspicious activity." If it's a BIG IF Bitcoin gets more popular & becomes more mainstream you can bet your bottom dollar we will see some type of regulations taking place to use the currency, trade the currency, invest in the currency, etc.  I guess time will tell but I'm willing to go out on a limb here & say to those that are praying the banks & big U.S. financial institutions dont get involved, well that bet would be wrong....
[Suspicious link removed]j.com/article/SB10001424127887324345804578426692340390104.html?mod=djemTECH_h[/url]
  

Actually the confirmation time issue is exactly why some brick-and-mortar merchants have chosen NOT to accept bitcoin. You can't pay for lunch if you have a 30 minute lunch break and it takes and hour to confirm. Or a taxi for that matter. Furthermore the worst part is you  don't know WHEN it will confirm, so you stand around just waiting- wondering.

ISO 4217 requires that currency designators be three-letter codes and that designators not issued by a country start with the letter 'X'. http://en.wikipedia.org/wiki/ISO_4217

Ripple is all about traceable, centralized payment system which is opposite to BitCoin which enables decentralized, anonymous P2P payment.

There are many Ripple-like payment systems in the past (e.x eGold). I don't really know what is the point here.

I am new to learning about Ripple.  My question is that with 100 Billion potentially in circulation, how high could they potentially be valued assuming the company is successful?