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Date: Tue, 1 Sep 2015 23:51:25 +0200
From: "Wladimir J. van der Laan" <laanwj@gmail.com>
To: Ahmed Zsales <ahmedzsales18@gmail.com>
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Cc: Bitcoin Dev <bitcoin-dev@lists.linuxfoundation.org>
Subject: Re: [bitcoin-dev] Open Block Chain Licence, BIP[xxxx] Draft
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On Tue, Sep 01, 2015 at 02:30:17PM +0100, Ahmed Zsales via bitcoin-dev wrote:
> Hello,
> 
> We believe the network requires a block chain licence to supplement the
> existing MIT Licence which we believe only covers the core reference client
> software.

As long as it's an open system, one can't require a specific license for everything added to the chain.

You could of course make the BIP advisory, but I'm not sure what that would help. You still wouldn't have any certainty what license the contents of block #XXXX would be under.

Wladimir