Morning Edition · Tuesday, June 30, 2026Published at 6:35 AM EDT · New York

Ethereum researchers map how the chain's state is actually used

A study of state access addresses the growing problem that Ethereum's stored data keeps expanding while much of it goes unused, a constraint on long-term scaling.

Every Ethereum transaction reads and writes pieces of the chain's state, including account balances, nonces, contract code, and storage slots. As the chain grows, an increasing share of that state remains unused for long periods, which is w…