We could also say that if protocol part (https://) is missing, it's implied automatically. So just: bitcoin:1abc........?r=bob.com/r/aZgR I think that's about as small as possible without re-using the pubkey as a token in the url. On Wed, Sep 25, 2013 at 1:35 AM, Gavin Andresen wrote: > On Tue, Sep 24, 2013 at 11:52 PM, Mike Hearn wrote: > >> BTW, on the "make qrcodes more scannable" front -- is it too late to >> change BIP 72 so the new param is just "r" instead of "request"? Every byte >> helps when it comes to qrcodes ... >> > > Not too late, assuming there are no objections. Smaller QR codes is a very > good reason to change it. > > -- > -- > Gavin Andresen >