Something like this? http://www.btcmessenger.com/?page=send just filter it for spam like we do with normal email, maybe an application anyone can run instead of a website that can be taken down.
Also, is there a provable way to generate a public bitcoin address without learning the private key? As a way to keep it fair.
Also, is there a provable way to generate a public bitcoin address without learning the private key? As a way to keep it fair.