Coinbase CEO Brian Armstrong has been granted a U.S. patent for an invention that makes sending bitcoin as easy as email, literally.
Hackers who breached Microsoft Outlook have reportedly used the email service to steal cryptocurrency users' funds.
Email distribution company MailChimp will bar marketing campaigns for cryptocurrencies and initial coin offerings next month.
ProtonMail has revealed it is adding bitcoin as an official, automated payment option – and other cryptocurrencies may soon follow.
Bitcoin startup 21 Inc is opening its '21 Lists' paid email product up to the wider public today.
21 Inc has released a platform that rewards users for receiving emails. Can it grab a slice of InMail's lucrative pie?
Email-forwarding service Composed aims to help the global fight against spam by making senders pay a small fee in bitcoin.
ProtonMail is an encrypted email service that could help end government snooping – with a little help from bitcoin.
Criticizing bitcoin today would be like criticizing email in 1985, and look how far that has come.
A new service lets you send bitcoins over email without a wallet, as long as you sign up first.
Lavabit and Silent Circle have both closed down their encrypted email services to avoid sacrificing their customers' privacy.
B1txr allows users to provide their bitcoin address as a way to securely receive email.