On January 17, 2024, the Cancun-Deneb hard fork was deployed on the Goerli testnet of the Ethereum blockchain. Despite some initial difficulties, the fork was successful according to the developers. He paves the way for significant performance gains for layer 2 (L2) solutions revolving around Ethereum.
A successful deployment after initial hiccups
The deployment of the Cancun-Deneb hard fork on Goerli on January 17 was accompanied by some technical hitches. Some nodes experienced sync issues at the time of forking, requiring developers to quickly deploy a fix. Fortunately, the validators successfully synchronized despite these temporary difficulties.
In the end, the update was successfully deployed to the entire Goerli channel within 4 hours. Ethereum developers, who followed the process live, welcomed the rapid resolution of initial concerns. They consider this conclusive test as a crucial step before the fork on the mainnet.
The next deadline is the deployment of Cancun-Deneb on the Sepolia testnet on January 31, then on Holesky at the beginning of February. If these tests go smoothly, the update could be implemented on the Ethereum main network immediately, perhaps as early as February 2024.
A promising gain for Ethereum layer 2 solutions
Beyond the technical aspect, this update Cancun-Deneb arouses enthusiasm for the advances it will introduce. In particular, for Layer 2 (L2) solutions like rollups. The fork will allow the deployment of EIP 4844, also called Proto-Danksharding. This EIP introduces a new type of transaction specialized in efficiently storing large volumes of data.
These “blob transactions” will be very useful for L2s to be able to store data relating to transactions carried out on layer 2 on the Ethereum chain. In practice, this new feature could multiply the performance of L2 solutions by 10.
It will also drastically reduce the costs of publishing transactions from L2 to the Ethereum main chain. Excellent news for reducing end-user costs on decentralized applications.
Despite some initial difficulties, the fork was successful according to the developers. This crucial step brings the deployment of Cancun-Deneb closer to the mainnet, with decisive advances for layer 2 solutions. The enthusiasm is palpable among L2 developers in the face of this promising fork, imminent on the network main of Ethereum.
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