121 / Polygon zkEVM
Polygon zkEVM
A pioneering public ZK rollup whose technical achievements, operator disputes and retirement belong in the same history.
Polygon zkEVM Mainnet Beta was a separate Ethereum rollup, publicly launched in March 2023. Its sequencer stopped producing blocks on July 3, 2026. Eligible balances held directly by ordinary wallets have a dedicated Ethereum claims route; assets held inside application contracts are outside that interface's coverage. The retirement concerns this network, not the entire Polygon ecosystem.
