Scroll Up Event Comes to Rio de Janeiro for Rio Onchain Week

**Ebisu Finance** is changing how stablecoin borrowing works with their **ebUSD** protocol. **Key Innovation:** - Most stablecoins use **fixed interest rates** for borrowing - Ebisu lets **borrowers set their own rates** based on market demand - Users determine what they're willing to pay, creating dynamic pricing **How It Works:** - Borrowers propose their preferred interest rates - Market forces determine actual borrowing costs - **Stability pool** and liquidation mechanics maintain system health **Comparison to Existing Models:** - Different approach from **MakerDAO** and **Liquity v2** - Focus on **decentralization** while managing risk constraints - Collateral strategy designed for stability **Future Applications:** - Real-world payment integration - **Savings products** and supply-chain credit - Cross-chain expansion planned - Token incentive mechanisms This market-driven approach could reshape how DeFi lending protocols price borrowing costs.

**Scroll has processed 1 million transactions** for Ether.fi Cash, marking a significant milestone for the Layer 2 network. **Key achievements:** - Zero to 1 million transactions in just a few months - All transactions are **gasless** for users - Every transaction offers **3-5% cashback** - Demonstrates real-world onchain financial activity This milestone shows growing adoption of Layer 2 solutions for everyday financial transactions. The gasless experience removes friction for users while maintaining security through Scroll's infrastructure. **What this means:** - Proof that people can manage complete financial lives onchain - Significant cost savings through gasless transactions - Consistent cashback rewards for users The team is now targeting the next 100 million transactions as adoption continues to accelerate.

Scroll has launched a comprehensive Delegate Accelerator program to train the next generation of effective DAO delegates. The 7-week curriculum includes: - Interactive workshops - One-on-one mentorship with veteran delegates - Practical experience through mock voting - Skill-building through gamified challenges **Key Details:** - Application deadline: June 23rd - Program focus: DAO governance and delegation - Goal: Building the Open Economy [Apply for the program here](https://app.deform.cc/form/5e670c2f-179c-4041-a37c-037216e5b8c2/?page_number=0)

Tempest Finance has launched AI-powered vaults on Ambient Finance, offering users simplified liquidity management through one-click optimization. The vaults are now natively deployed on the Scroll network. Key features: - Single-click liquidity management - AI-powered optimization - Native integration with Ambient's web frontend - Full deployment on Scroll network The integration streamlines DeFi operations for users seeking efficient portfolio management without complex manual adjustments.

At Devcon's ZK Connect panel, @yezhang1998 presented on ZK technology beyond rollups, covering: - Public verification of large computations - Developer experience improvements - TEE and ZK comparisons - zkEVM vs zkVM distinctions - Future applications in AI, email, and social login Upcoming events include: - WOW Summit: ZK in AI era with @yezhang1998 - Multichain Day featuring @_emjlin - Evening Fireside Chat with @chainlink and @razacodes Panel participants included representatives from MetaMask, Lita, nil, and Automata.