Ethereum Core Devs Launch Checkpoint Series for Development Updates

**Payy** has launched as a privacy-focused stablecoin chain built on Ethereum. The platform enables programmable payments while keeping transactions private by default. **Key features:** - Transactions aren't publicly exposed - Maintains privacy without compromising Ethereum compatibility - Designed specifically for stablecoin payments This follows a similar privacy trend in the Ethereum ecosystem, with projects like [Fluidkey](https://fluidkey.com) recently launching to help users receive and manage funds without linking them to their public identity. Payy represents a growing focus on bringing privacy features to Ethereum's payment infrastructure while maintaining the network's programmability and composability. [Learn more about Payy](https://payy.link)

The Ethereum Foundation has started staking approximately 70,000 ETH from its treasury, following through on its Treasury Policy announced last year. **Key Details:** - Staking rewards will flow back to the EF treasury - Move aligns with previously announced treasury management strategy - Represents a shift in how the foundation manages its assets This marks a significant operational change for the foundation, which is now actively participating in network validation while generating yield on its holdings. The staking initiative comes as the foundation implements more structured treasury management practices.

**Ethereum's Fusaka upgrade is now live on mainnet** after activating at epoch 411392 on December 3rd at 21:49 UTC. The upgrade implements **13 Ethereum Improvement Proposals (EIPs)** that bring significant scaling and user experience improvements: - **PeerDAS unlocks 8x data throughput** for rollups, enabling cheaper blob fees and faster confirmations - **R1 curve support** enables mobile-native passkeys and simpler signatures for better wallet UX - **Based pre-confirmations** reduce transaction latency from minutes to milliseconds - **Gas limit increase** from 45M to 60M expands network capacity - **New per-transaction gas cap** of 2^24 requires developer attention **Key upcoming dates:** - BPO1: December 9th - BPO2: January 7th Community members continue monitoring the network for any issues over the next 24 hours following the successful activation.

The Ethereum Foundation has announced its Q3 2025 grant recipients, showcasing the latest wave of funded projects and community initiatives. The quarterly funding round supported various projects advancing Ethereum's ecosystem development and innovation. **Key highlights:** - Multiple projects received funding to advance Ethereum technology - Community initiatives were prioritized in the selection process - Grant recipients are working on diverse aspects of the ecosystem The foundation continues its commitment to supporting developers and researchers building on Ethereum's infrastructure. This marks another significant quarter of ecosystem investment and community growth.

**Devconnect ARG** kicks off tomorrow in Buenos Aires, bringing together the global Ethereum ecosystem for a week-long festival. The event features: - **Ethereum Worlds Fair** (first ever) - Ethereum Day on November 17 - ETHConAR on November 18 - Multiple community-driven events throughout the week Developers, builders, and Ethereum enthusiasts are converging in Argentina's capital for hands-on experiences with Ethereum technology. **Full event schedule** and registration available at [devconnect.org/calendar](https://devconnect.org/calendar)