Bo Yu@ybohh

YieldFlow is a non-custodial smart contract that serves as a single DeFi Router to optimize stablecoin yield, specifically for USDC. It solves ecosystem fragmentation by aggregating multiple strategies into one secure, dynamic vault. 1. The Problem: Fragmentation and Cost DeFi fragmentation forces users into manual Annual Percentage Yield (APY) comparisons and rebalancing. This process is costly (high gas fees), time-consuming, and prone to error, demanding complex management of multiple token approvals. 2. The Solution: Modular Architecture and Dynamic Routing YieldFlow ensures maximum capital efficiency through its core architecture: a. Adapter Pattern (Modularity): All underlying yield protocols are wrapped in the IProtocolAdapter interface. This design keeps the core Router logic immutable and secure, while allowing simple integration and scalability for new protocols. b. Dynamic Routing: A designated Keeper role dynamically directs user USDC deposits and rebalances funds to the protocol offering the highest APY. Users interact only with the Router, which manages secure transferFrom logic and allocation. 3. Security and Compliance The contract is built on robust standards to ensure user safety: - Contract Protection: Implements ReentrancyGuard and Pausable features from OpenZeppelin for attack mitigation and emergency controls. - Security Practices: Enforces the secure approve(0) -> approve(amount) pattern and utilizes safeTransferFrom methods for all internal token movements. - Transparency: All allocations (getProtocolInfo) and user balances are publicly auditable through view functions. YieldFlow offers a secure, efficient, and scalable platform for institutional-grade USDC yield optimization on any EVM network.

In this hybrid hackathon powered by Arc, developers will build the next generation of payment systems using AI + Arc with USDC. Explore a world where AI agents can understand natural language, automate financial actions, and move money with precision. From DeFi to digital content and real-world assets, this is your chance to shape the future of intelligent finance. 📅 October 27 – November 9, 2025 • Oct 27 – Nov 8 (Online Phase) – Collaborate and build with developers and AI innovators from around the world. All projects must be submitted by end of day on November 8. • Nov 8 (New York City – On-site Build Day) – Selected participants will be invited to an exclusive in-person session to refine their projects and connect directly. • Nov 9 (New York City – Live pitching & Awards) – Live pitching sessions to a panel of judges and investors, followed by the official winner announcement. 📍 On-site Venue (Nov 8–9): Babe Ruth Room, Jay Conference Chelsea 159 West 25th Street, New York City, USA 🧠 Get guidance from blockchain and AI experts throughout the event. 🤝 Go solo or team up — it's your flow. 🏆Compete for $10,000 in USDC prizes. 📍 On-site participation is by invitation only. Travel and accommodation expenses will not be covered. 🧑🏻‍💻 Secure your spot now — sign up before the Kick-Off Stream!