[Cryptography] Correction re: Golden Ratio Attack - 38% not 62%

Ray Dillinger bear at sonic.net
Wed Jul 15 20:16:10 EDT 2015


On 07/15/2015 04:08 PM, Ray Dillinger wrote:

> Any miner who controls more than one over the Golden Ratio of the mining
> power makes a profit while paying the fees it takes to maintain a
> permanent backlog of transactions, for as long as the blocks are more
> than half full of other transactions.

I misspoke.  I said 1/phi without remembering exactly what the
ratio measured.  I should have said 1 minus 1/phi.

The required hashing power is 38% of the total.  Considerably
less than the 51% people have been scared of.

			Bear




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