Ethereum’s client diversity picture fractures under incompatible estimates

Ethereum's Client-Diversity Blind Spot Is Becoming a Bigger Network Risk

Ethereum depends on multiple consensus clients for resilience, but the public estimates of who runs what now disagree sharply just as new privacy research could make concentration harder to measure.

Ethereum’s client diversity picture fractures under incompatible estimates

Ethereum validators rely on independently built consensus clients to agree on the chain, and that diversity is a safety feature. If a defect affects a client used by too much of the network, Ethereum can stop finalizing blocks or, under more extreme conditions, finalize the wrong chain. Yet a Sept....