[Bitcoin-development] Punishing empty blocks?

Peter Vessenes peter at coinlab.com
Tue May 29 15:36:34 UTC 2012

I suppose I mean that I don't understand how to reverse that into a URL
when one is presented only with a block, or perhaps a coinbase in a



On Tue, May 29, 2012 at 11:34 AM, Luke-Jr <luke at dashjr.org> wrote:

> On Tuesday, May 29, 2012 3:28:56 PM Peter Vessenes wrote:
> > I don't understand what the 20 byte keyhash is. Can you elucidate?
> 20 byte keyhashes are a fundamental building block of the Bitcoin protocol.
> ripemd160(sha256(ecdsaPubKey))

Peter J. Vessenes
CEO, CoinLab
M: 206.595.9839
Skype: vessenes
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