An error in the Nethermind client software for Ethereum earlier caused most of the key operators on the chain to be paralyzed. Nethermind's developers released a patch to fix the problem within a few hours. However, this vulnerability has sparked a discussion about the risk of "client diversification." Some experts believe that most validators in Ethereum rely on the same software to support their operations, which could be a big risk.

Crypto educator Cygaar pointed out in a post that "Ethereum's client diversity is very bad, and a key issue in Geth could lead to validators running Geth destroying millions of ETH."

Anonymous cryptocurrency investor DCinvestor said, "I cannot ignore the risk of a single client staking setting (depending on Geth) at the moment. If there is a problem, I may lose a large portion of my deposit."