Share this article

Email Paywall System ‘Mailman' Wins Coinbase Hackathon

Mailman has won Coinbase's second hackathon, which gave away $70,000 worth of bitcoin in prizes.

Updated Apr 10, 2024, 3:12 a.m. Published Jul 3, 2015, 10:03 a.m. 1 min read
bitcoin hackathon winner

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 $1,500. BitcoinDial, a bitcoin mobile top-up service, was last, receiving $500.

The competition, which received 84 qualified submissions from twelve countries, was judged by Adam Draper, Chris DixonFred Wilson and Gavin Andresen.

Winning medal image via Shutterstock.

Meer voor jou

Michael Van de Poppe

Hyperliquid’s surge and renewed interest in AI-focused crypto projects are signaling a broader return of risk appetite in altcoins, says Michael van de Poppe.