On Wed, Apr 23, 2014 at 05:41:26PM +0200, Pieter Wuille wrote: > On Wed, Apr 23, 2014 at 5:34 PM, Kevin <kevinsisco61...@gmail.com> wrote: > > I have some questions: > > 1. How can we work towards solving the double-spending problem? > > We have this awesome technology that solves the double-spending > problem. It's called a blockchain. Of course, it only works when > transactions are actually in a block. > > This issue is about double-spending preventing before they're > confirmed. This is (and has always been) just a best-effort mechanism > in the network. > > > 2. Is it possible to "scan" for double-spending and correct it? > > That is what is being proposed here, by introducing a mechanism where > miners can vote to penalize other miners if they seem to allow (too > many?) double spends.
Worse, it's a mechanism where miners can vote to penalize other miners for any reason at all. Nothing in the mechanism requires any proof that a double-spend happened, nor can it. Even if you require the simple "two signatures for same output" mechanism, that just proves the existance of a second signature, and says nothing at all about whether or not that signature was ever broadcast on any network. -- 'peter'[:-1]@petertodd.org 0000000000000000278031f86c71265f6eaf1fe9ce6cc831dc4f956676a7a7f7
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