On 1/02/2012 00:12, Gavin Andresen wrote:
> RE: BIP 21 versus BIP 20:  I like BIP 21; simpler is better.
> 
> RE: signing and dating URIs:  good ideas.  I think we should agree
> that there is consensus around BIP 21 and then after there is some
> experience with signing/dating URIs you should write follow-up BIPs .
> 

If we had a self signed URI, we could just pay directly to the public
key (or calculate the bitcoin address from it).  It
would no longer require a bitcoin address in the URI.