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Ethereum Developers Set Timeline for Final ‘Dencun’ Testnet Upgrades
Developers will run through Dencun on the Sepolia and Holesky testnets on Jan. 30 and Feb. 7, putting the upgrade on track to reach the main network in late February or early March.

Ethereum’s Dencun Upgrade Goes Live, But Fails to Finalize on Testnet
Developers said the missed finalization was likely due to an expected lack of participation and older network validators.

Sam Altman Is Bringing Worldcoin's Controversial Eye-Scanning Orb to Reddit and Microsoft
World ID has added integrations with Shopify, Minecraft, and Reddit alongside a slew of developer-focused updates that could expand the OpenAI founder's blockchain-based "proof-of-personhood" service to more users.

DYdX, Decentralized Crypto Exchange, Open Sources ‘V4’ Code for Upcoming Cosmos Chain
This marks the first step in initiation of the v4 upgrade, where the DEX is transitioning away from its layer-2 network atop Ethereum onto its own standalone blockchain.

StarkWare Restores Crypto Access for Delinquent Wallet Updaters, After Complaints on X
After users complained on X, StarkWare walked back on a move in which it implemented an upgrade that made users' funds inaccessible.

Layer-2 Blockchain Starknet's ‘Quantum Leap’ Upgrade Goes Live, for Speedier Transactions
The upgrade for Starknet, a layer-2 blockchain or "rollup" to the Ethereum blockchain, went live following a community vote that overwhelmingly agreed to deploy it to mainnet.

Starknet Plans ‘Quantum Leap’ Upgrade Next Week After Testnet Version Deployed
The upgrade will increase the number of transactions per second the blockchain can handle as well as reduce the time-to-inclusion.

Polygon Proposes POS Chain To Become ZK Compatible
In a pre-proposal discussion post, Polygon co-founder Mihailo Bjelic argues why the mainchain should go through a major upgrade.

Ethereum Developers Cement Final Lineup of Changes in ‘Dencun’ Upgrade
Proto-danksharding is at the heart of the package, with other improvements for storage on-chain, as well as minor code changes related to the Ethereum Virtual Machine.

Optimism Completes ‘Bedrock’ Hard Fork, in Pursuit of Superchain
Developers behind the layer-2 scaling solution for Ethereum say the upgrade will reduce gas fees and cut deposit confirmation times.

