Quote from: satoshi on August 16, 2010, 11:01:48 PM UTCQuote from: NewLibertyStandard on August 16, 2010, 10:42:28 PM UTCHow is the strength of the chain calculated?
Total proof-of-work.
So a very strong node could continuously reverse the last x blocks and only allow transactions which include a transaction fee over a certain amount, right?
A strong enough of a node could do anything, the entire point of the proof-of-work is that as the bitcoin network grows, this kind of takeover becomes; if not really impossible, increasingly and astronomicly improbable.