I&#39;ve turned the preliminary payment protocol spec into three BIPs:<div><br></div><div><a href="https://en.bitcoin.it/wiki/BIP_0070">https://en.bitcoin.it/wiki/BIP_0070</a> : Network protocol / messages</div><div><a href="https://en.bitcoin.it/wiki/BIP_0071">https://en.bitcoin.it/wiki/BIP_0071</a> : MIME types for the messages</div>
<div><a href="https://en.bitcoin.it/wiki/BIP_0072">https://en.bitcoin.it/wiki/BIP_0072</a> : bitcoin: URI extension</div><div><br></div><div>I expect the wallet-side implementation to be pulled into Bitcoin-Qt Real Soon:</div>
<div>  <a href="https://github.com/bitcoin/bitcoin/pull/2539">https://github.com/bitcoin/bitcoin/pull/2539</a></div><div><br></div><div>There is also a reference implementation of server-side code for generating payment requests in php and C++ :</div>
<div>  <a href="https://github.com/gavinandresen/paymentrequest">https://github.com/gavinandresen/paymentrequest</a><br clear="all"><div><br></div><div>-- </div>--<br>Gavin Andresen<br>
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