There are free-riders in the cryptocurrency ecosystem.

At least, that's the contention of a new paper, shared with CoinDesk on Monday, written by ethereum founder Vitalik Buterin, Microsoft researcher Glen Weyl and Ph.D. of economics at Harvard, Zoë Hitzig.

And free-riders pose a problem.

https://www.coindesk.com/theres-a-problem-with-crypto-funding-and-vitalik-might-have-a-solution/