On May 1st, 2024, the Ethereum community celebrated Builders Day, an occasion dedicated to recognizing the contributions of developers and builders within the ecosystem. The event highlighted the importance of secure and reliable infrastructure, with a particular emphasis on Safe, a prominent account abstraction solution known for its robust smart wallet platform and unwavering commitment to security on the Ethereum Virtual Machine (EVM).
Build Safe on Builders Day 🛠️
Introducing the Manifesto for Onchain Builders 💜 And the birth of a new tradition - Builders Day. Join the movement to support onchain builders by minting the NFTs below👇
Safe Launches Guardrail to Protect Against Malicious DELEGATECALLS

Safe Research introduces Guardrail, a new security tool for smart wallets that controls DELEGATECALL operations. The system works like a security checkpoint, only allowing DELEGATECALLs to pre-approved contracts. Key features: - User-controlled allowlist for approved contracts - Time-delayed additions for security - Instant removals for quick threat response - Works alongside existing multisig security This follows Safe's recent security upgrade with Blockaid integration, which added real-time transaction simulation and address poisoning protection. [Learn more about Guardrail](https://safe.global/blog/safe-research-guardrail-locking-down-delegate-calls)
Safe Expands Smart Account Infrastructure with Solid Integration
Safe continues expanding its smart account infrastructure through strategic integrations. Key developments include: - Partnership with Solid to enhance DeFi user experience - Full deployment on Polygon zkEVM - Integration of Safe{Wallet} and Safe{Core} for developers The platform now offers improved tools for asset management and dApp development with abstracted user interfaces. This marks a significant step toward making smart accounts more accessible for everyday DeFi users.
Safe{CON} Announces Ethereum Foundation Speaker for DeFiPunk Vision Talk

Safe{CON} has confirmed Ethereum Foundation's @hwwonx as a featured speaker for their upcoming conference. The presentation will explore Ethereum's DeFiPunk vision, adding to a growing lineup of blockchain thought leaders. This announcement follows the tradition of securing prominent speakers in the Ethereum ecosystem, similar to DΞVCON1's previous booking of Nick Szabo as keynote speaker. - Focus will be on Ethereum's DeFiPunk vision - Speaker: @hwwonx from Ethereum Foundation - Part of Safe{CON}'s speaker series
Safe{CON} Speaker Spotlight: Fileverse's Andreas Tsamados

Andreas Tsamados (@miroyato), co-founder of Fileverse, will present at Safe{CON} 2 in Berlin on May 23. His talk explores the intersection of cypherpunk principles and data self-custody, focusing on DeSoc primitives built on Safe infrastructure. Key topics: - Data sovereignty and self-custody solutions - Subversive technology applications - Safe asset management integration Join the discussion at [Safe{CON} 2](http://conf.safe.global) to learn about the future of decentralized data ownership.
Safe{CON} Speaker Announcements

Safe{CON} has announced two notable speakers for their upcoming conference: - **@anticustody** will present on the future of onchain organizations, focusing on governance, coordination, and decision-making processes - **Gal Sagie**, CEO of Hypernative, will discuss innovations in transaction security enabled by smart accounts *Event details and registration information to be announced.* [Follow Safe on Twitter](https://twitter.com/safe) for updates.