What key upgrades has Ethereum gone through? Don't worry, your class rep is here:
The Pectra upgrade went live on May 7, 2025, and the Fusaka upgrade was activated on December 3, 2025. Fusaka introduced PeerDAS data sampling.
An Ethereum upgrade usually includes several EIPs. They run on a testnet for a while first, and the mainnet activation date is set only after stable operation has been verified.
Knowledge may seem boring in everyday life, but you'll appreciate it when you hit a snag.
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