I've read the Matasano whitepaper on why you can't count on Javascript for security, as I imagine you have, and it makes sense. Use https. That being said, loo

I've read the Matasano whitepaper on why you can't count on Javascript for security, as I imagine you have, and it makes sense. Use https. That being said, look at something like blockchain.info. It adds javascript security on top of https, and for (what seems like) excellent reasons.