Base, the Coinbase-incubated Ethereum layer 2 network, activated its Denim upgrade on mainnet at 18:00 UTC on Thursday, November 5, 2026

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From the articleBase Now Makes a Block Every 0.2 Seconds After Its Denim Upgrade - UnchainedAlso in Base deploys Denim upgrade on mainnet, replacing Flashblocks with 200ms block times | The Block, Base activates Denim upgrade, cutting block times tenfold to speed up trading and payments, Base's Denim Upgrade Brings 200ms Blocks to Mainnet on Nov. 5th on Bankless

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Base Now Makes a Block Every 0.2 Seconds After Its Denim Upgrade - Unchained

Cc9f267dcArticle

Base deploys Denim upgrade on mainnet, replacing Flashblocks with 200ms block times | The Block

Cc9f267dcArticle

Base activates Denim upgrade, cutting block times tenfold to speed up trading and payments

Cc9f267dcArticle

Base's Denim Upgrade Brings 200ms Blocks to Mainnet on Nov. 5th on Bankless