[Bitcoin-development] Blitcoin? (Black Hat 2011)

[Andy Parkins]

On 2011 August 05 Friday, Gavin Andresen wrote:

> "As reported, I've got a BitCoin deanonymization mechanism.  It's not
> complicated.
> 
> Connect to every node in the cloud, discoverable via sweeping/IRC/get_peers
> messages.  The first IP to consistently relay transactions for a given
> identity, is the given identity.

Transaction forwarding could be randomised slightly, by randomising the 
outgoing relay order; and adding a random delay between each forward.  Even 
the massively connected monitor can't represent _all_ the connections on every 
real node, so it would have no way of knowing whether it got any transaction 
from the originator or because it got a fast path through the first N nodes to 
receive it.



Andy

-- 
Dr Andy Parkins
andyparkins at gmail.com
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