Hello:)<p>Author of the BIP draft for the Instant Confirmation Payment Protocol aka BIP70 extension and founder of GreenAddress.<p>You can find the draft here <a href="https://github.com/greenaddress/bips/blob/bip-payment-request-instant-confirmations/bip-payment-request-instant-confirmations.mediawiki" rel="nofollow">https://github.com/greenaddress/bips/blob/bip-payment-reques...</a><p>Bitcoin dev mailing list discussion <a href="http://comments.gmane.org/gmane.comp.bitcoin.devel/5628" rel="nofollow">http://comments.gmane.org/gmane.comp.bitcoin.devel/5628</a><p>Reddit discussion <a href="http://www.reddit.com/r/Bitcoin/comments/284me8/instant_confirmation_via_payment_protocol_bip70/" rel="nofollow">http://www.reddit.com/r/Bitcoin/comments/284me8/instant_conf...</a><p>The aim of this extension is to reduce risk by allowing, via a third party, instant confirmation of bitcoin transactions.<p>Questions, comments and in general any feedback is very welcome!<p>Cheers!
Lawrence
Which merchants currently accept your key for instant confirmations?
From the bitcoin wiki:
[green addresses] are generally considered a bad idea and not advisable to implement.
I would be incredibly careful of trusting any new BTC trust protocols this week, with the ongoing 51% threat from GHash.<p><a href="http://arstechnica.com/security/2014/06/bitcoin-security-guarantee-shattered-by-anonymous-miner-with-51-network-power/" rel="nofollow">http://arstechnica.com/security/2014/06/bitcoin-security-gua...</a>