Long (long!) time lurker on this list, and Bitcoin early adopter here. 
I'll try to give a quick summary for Freenet folk:

Assuming no cryptographic flaw is found, I believe (FWIW) that Bitcoin 
will soon be safe, because all functions are decentralized, including 
transfer and generation. With some simple steps such as running over 
Tor, Bitcoin can also be anonymous for spending, receiving, and generating.

The one known attack against Bitcoin, and this is an intentional part of 
the design, is to have more computing power than the rest of the network 
combined: When a double-spend occurs, the network as a whole decides 
which spend occurred first; raw computation power decides this. Some 
back-of-the-envelope calculations suggest that the network right now is 
the equivalent of about 2000 ATI 5970 graphics cards, so that might be 
$3M or so in hardware costs, which of course is trivial for the government.

But if Bitcoin grows 1000x bigger, or more specifically, the amount of 
computing power on the P2P network grows 1000-fold, I think it would be 
safe from government attacks. Here's a graph of computing power 
("difficulty") vs time:

     http://bitcoin.sipa.be/

Teppy


> What is the danger that BitCoin will have the same fate as the 
> "Liberty Dollar"?
>
> https://secure.wikimedia.org/wikipedia/en/wiki/Liberty_Dollar#FBI_.2F_Secret_Service_raid
>
> Does this create any risk for Freenet if we are using it?
>
> Ian.
>
> -- 
> Ian Clarke
> Founder, The Freenet Project
> Email: ian at freenetproject.org <mailto:ian at freenetproject.org>
>
>
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