Bitcoin P2P e-cash paper
John Levine
johnl at iecc.com
Mon Nov 3 05:32:39 PST 2008
> As long as honest nodes control the most CPU power on the network,
> they can generate the longest chain and outpace any attackers.
But they don't. Bad guys routinely control zombie farms of 100,000
machines or more. People I know who run a blacklist of spam sending
zombies tell me they often see a million new zombies a day.
This is the same reason that hashcash can't work on today's Internet
-- the good guys have vastly less computational firepower than the bad
guys.
I also have my doubts about other issues, but this one is the killer.
R's,
John
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