No problem. Here's an open source implementation by bitpay https://copay.io https://copay.io using their open source framework http://bitcore.io http://bitcore.

No problem. Here's an open source implementation by bitpay https://copay.io https://copay.io using their open source framework http://bitcore.io http://bitcore.io This isn't pie in the sky tech. It's real and accessible from your mobile browser today. Pretty exciting times I think.