Uri Kolodny, the chief executive officer and co-founder of the Ethereum Layer 2 developer StarkWare Industries, has resigned from the CEO role due to "vicious medical challenges at home" that need his "undivided attention."

"I took a LoA [leave of absence] a year ago, but unfortunately that wasn't nearly enough," Kolodny wrote on X. He will stay on as a board member of both StarkWare and the Starknet Foundation.

StarkWare co-founder and president Eli Ben-Sasson is taking over as StarkWare's CEO. "I am sure he will lead StarkWare forward with talent and devotion, to great heights," Kolodny said.

Ben-Sasson is also co-inventor of STARK (Scalable Transparent Argument of Knowledge) — the type of cryptographic proof that StarkWare utilizes for its network to be submitted on the …