Guide | May 15, 2026
How Ethereum Upgrades Work
An Ethereum upgrade is a rule change made in public while the system keeps running.
An Ethereum upgrade is a rule change made in public while the system keeps running.
In Ethereum, there is no pause button. New batches of transactions keep arriving. Applications keep serving users. People keep sending money, minting tokens, taking loans, and writing contracts they expect to work tomorrow. It's like the internet. It has to keep going.