[1] [CITE@en[BIP 0021 - Bitcoin]]
( ([TIME[2013-04-24 08:04:27 +09:00]] 版))
<https://en.bitcoin.it/wiki/BIP_0021>

[2] [CITE@en[Web Applications 1.0 r7850     Add bitcoin: to the URL scheme whitelist, by request. It's more or less like mailto:.]]
( ([TIME[2013-04-24 06:08:00 +09:00]] 版))
<http://html5.org/tools/web-apps-tracker?from=7849&to=7850>