CoinDesk reported on a workshop on the future of consensus mechanisms, writing, "Attendees included well-known cryptocurrency researchers Aviv Zohar and Ittay Eyal." Eyal's invited talk was entitled "Blockchains and Proof of Work."

The workshop, Distributed Cryptocurrencies and Consensus Ledgers, was held in conjunction with PODC. 

http://www.coindesk.com/blockchain-research-ibm-distributed-cryptocurrencies-consensus-ledgers/