Email Paywall System 'Mailman' Wins Coinbase Hackathon

Email Paywall System 'Mailman' Wins Coinbase Hackathon

Email paywall system Mailman has won Coinbase's second hackathon, which gave away $70,000 worth of bitcoin in prizes. The system, which rewards consumers in bitcoin and uses the blockchain to filter spam messages, received a $10,000 prize in bitcoin and a place on Boost VC's bitcoin accelerator class, reportedly worth $50,000. Coming in second and receiving a prize of $5,000 was SatoshiPay, a bitcoin paywall for publishers. Remittance aggregator Rebittance came third, receiving $3,000, while BlockchainME, a tool which creates verifiable IDs on the blockchain, came in fourth and received....


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