Steven Nerayoff is claimed to be one of the brain behind ethereum's smart contracts. He is well known in crypto circles. U.S. law enforcement has charged Steven Nerayoff, a former paid advisor to Overstock’s tZero, with extortion. Deails are in below post:
DOJ Brings Extortion Charges Against Early Advisor to Ethereum, tZero
To know more about him one can listen to his podcast with Charlie Shrem
It is this news that has halted nice upward momentum of altcoins that started this week.