Base has announced the open sourcing of the op-viem and op-wagmi code repositories, which are extensions of the popular development tools viem and wagmi. The open source is aimed at enabling developers to build on the OP Stack chain faster and more easily. With op-viem and op-wagmi, developers can add OP Stack bridging functionality to any application and significantly reduce code volume and coding time.

Base announced on social media that Canyon is the first network upgrade after Bedrock and will be activated on the entire Superchain on January 11th. Node operators need to upgrade their nodes before this date. For Base Sepolia and Goerli node operators, the Delta hard fork will be activated on December 21st and 22nd respectively. Base testnet nodes should be upgraded to v0.6.0 before December 20th. Mainnet nodes should continue to run v0.5.1.

The cryptocurrency wallet MPCVault has announced added support for Base. Users can create a wallet that supports all Base tokens (ERC20, ERC721, and ERC1155); explore the BASE ecosystem and interact with DApps using MPCVault's browser extension; establish access control and transaction policies based on US dollar volume; and send bulk payments to up to 256 addresses.

Coinbase CEO Brian Armstrong has stated that the Coinbase wallet now has a simple mode focused on payments. For example, it can support sending USDC for free and instantly on Base globally. We will try to make it the default mode for emerging markets to make it easier for users to use. People can switch to advanced mode at any time.

Base officials posted on social media X that the Base team received a notification from thirdweb at 9pm Pacific Time on Friday (December 1st), stating that a commonly used open source library had a security vulnerability, affecting some pre-built contracts deployed on Base. Base itself is not affected by this issue, and all funds on Base are currently safe. We immediately responded to understand the nature of the vulnerability and possible mitigation strategies. thirdweb is providing responsive support and mitigation tools to review the security of affected contracts. These mitigation measures may include locking existing contracts and reissuing new versions of NFTs to existing holders. If support is needed, it is recommended to work directly with the thirdweb team to resolve the issue.

On December 1st, the decentralized credit protocol Goldfinch community voted to approve the proposal to deploy Goldfinch smart contracts on Base. Goldfinch plans to establish a new Goldfinch Governance multi-signature on Base and develop a Goldfinch factory, allowing businesses to launch their own Goldfinch instances on this platform.

The game infrastructure platform Openfort announced that it has integrated Coinbase's Layer 2 solution, Base. This integration provides game developers with: a scalable, low-cost environment on Base; simplified blockchain interaction through account abstraction; enhanced game user experience; and verified infrastructure, including projects such as "Snake on Base".

Layer2 network Base announced on the X platform that it has successfully completed the Canyon hard fork on the Goerli and Sepolia testnets. It is reported that Canyon is the next major network upgrade after OP Stack's Regolith version. Its goals are to reduce the rate of change in basic fees, modify the way the network handles closed channels to improve reliability, allow access to common contracts (create2deployer) on all OP networks, and increase support for Shanghai and Capella.

On November 8th, Lido announced the launch of Coinbase L2 network Base, and wstETH is now available throughout the Base ecosystem. Base users can initially interact with wstETH through dApps such as KyberSwap, Beefy, and Aerodrome.

Georgios Konstantopoulos, Chief Technology Officer and Research Partner at Paradigm, wrote on the X platform that OP Reth has been merged, which means that its high-performance Ethereum node Reth can be used in OP Stack without modification. Georgios also stated that this was achieved through collaboration between OP Labs, the Base team, and Paradigm's own open source team.