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Topic: incentivize fragmentation of mining pools to mitigate threat of 51% attack? - page 2. (Read 1970 times)

legendary
Activity: 4256
Merit: 1313
I know this has been discussed previously, but one problem is how do you know who is part of a pool?  I could set up 10 pools (10 servers) with 6% each and then they'd be under the threshold individually, but I'd control them all.  

One solution that is out there is p2pool which helps avoid the centralization.  (The other question is whether or not miners wouldn't just switch pools - it has happened in the past for various reasons).

Some interesting links:
http://en.wikipedia.org/wiki/Sybil_attack
https://bitcointalksearch.org/topic/solution-to-a-51-attack-309629


:-)
legendary
Activity: 3472
Merit: 4801
- snip -
scheme that would be applicable to any pool that is larger than some threshold percentage (5 or 10% perhaps) of the network.

How would you determine what percentage of the network a particular pool is?  There is no way to know the size of the network or the size of a pool.
hero member
Activity: 784
Merit: 1001
Has anyone proposed any schemes that would provide economic incentives for mining pools to fragment into smaller groups? I'm thinking something along the lines of a Prisoner's Dilemma scheme that would be applicable to any pool that is larger than some threshold percentage (5 or 10% perhaps) of the network.
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