Ethereum creator and early Polymarket backer Vitalik Buterin says he doesn't like the direction prediction markets are headed

Vitalik Buterin warns prediction markets risk devolving into what he called "corposlop."

MARCOS BRINDICCI/AFP via Getty Images

• Vitalik Buterin warns prediction markets risk devolving into what he called "corposlop."
• Buterin said the prediction market now relies too much on sports betting and low-value gambling.
• The prediction market should contribute to long-term social and financial utility, he said.

An early backer of the prediction market says he's growing uneasy about its trajectory.