On Wed, Aug 26, 2015 at 05:44:46AM +0800, Chun Wang wrote: > On Wed, Aug 26, 2015 at 5:18 AM, Simon Liu via bitcoin-dev > <bitcoin-dev@lists.linuxfoundation.org> wrote: > > I don't think this would work. > > > > If the rule is that one user can only have one vote, how do you prevent > > a user running multiple nodes? > > The vote is not counted by nodes, but bitcoin amount, or probably > better, coin-days. It works like proof-of-stake. A mix of > proof-of-work and proof-of-stake is good.
Yup. To implement a vote where only users with access to a full node can vote, you'd force part of the vote to be determined by a non-miner-committed value calculatable by anyone with a full node. For instance, a very simple toy example that would work is just XORing your vote with SHA256(the entire blockchain) -- 'peter'[:-1]@petertodd.org 000000000000000008d42f5514157c3257577e006985ea8335e4567e1bed16bd
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