A recently launched service called Composed could boost the fight against spam by charging bitcoin micropayments for emails.
Composed users are assigned an email address with a getcomposed.com domain name and can decide how much they wish to charge senders for an email. Anyone wanting their message to arrive at that address will have to respond to an automated reply and pay for the privilege by sending bitcoin or logging on to PayPal.
Ryan Gerard, who created the service, said:
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