Blast stopped producing blocks following Ethereum’s Dencun upgrade

Blast said the issue has since been resolved

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Blast and Adobe Stock modified by Blockworks

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Following Ethereum’s Dencun upgrade, the Blast Mainnet stopped producing blocks. 

Around an hour after the last block was produced, Blast said that the issue was resolved in a post on X. 

“A full analysis on the issue will be shared shortly,” the team said in the post.

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“The Blast Mainnet has stopped producing blocks due to issues related to Ethereum’s Dencun upgrade,” Blast said in a post on X. “Core engineering contributors are working on a fix. We’ll share an update and post-mortem once the fix is live…”

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Ethereum’s Dencun upgrade went live early Tuesday, marking the network’s largest upgrade to date. 

According to Blast Scan, blocks stopped publishing around 10 am ET.

Read more: Blast developers drawn by layer-2’s liquidity and founder’s success building Blur

The “[layer-2] with native yield” drew criticism for initially soliciting deposits to a multisig wallet. All told, it saw $2.3 billion in deposits before its layer-2 went live. The layer-2, which went to mainnet in late February, is a fork of Optimism. As of Wednesday morning, Blast had surpassed Optimism as the second-largest Ethereum rollup by total value locked (TVL), according to DeFiLlama. The 51 protocols built on Blast cumulatively held over $1 billion. 

Optimism itself continued producing blocks through the Dencun upgrade. 

Blast said over 3,000 projects entered its developer contest to go live upon the layer-2’s mainnet launch and receive a larger airdrop allocation. Developers on Blast told Blockworks they were drawn to the rollup’s deep liquidity and its founder’s previous success building the NFT marketplace Blur.


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