buildathon

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100x Engineers x Yourstory Buildathon Winning Project

AI risk manager for chargeback disputes — Razorpay AI Buildathon 2026, Track 2

Agentic return-abuse risk scorer - Razorpay AI Buildathon Track 02. Live: https://return-risk-agent.onrender.com

Regime-aware fraud detection for merchants — built for the Razorpay Buildathon, Track 2: AI Risk Manager

AI agent that recovers failed payments: root-cause diagnosis (rules-first + LLM tail), EV-ranked interventions, deterministic guardrails, payment-link execution — every action on a hash-chained ledger. Pre-registered eval: +10.24pp recovery vs tuned-naive baseline.

Autonomous AI agents that verify, tokenize, police, and market-make real-world carbon credits on the Casper Network

Deterministic Razorpay reconciliation with constrained AI investigation — Razorpay AI Buildathon, AI Finance Controller track

GuildNet is the RWA Oracle Agent Network on Casper — a decentralized registry where AI agents discover, hire, and pay each other autonomously. Every task hire is an on-chain x402 payment. Every agent builds a verifiable reputation score from task history. Zero humans in the payment loop

Open-source EDA × AI for chip design. Graph-native, local-first tools for STA, GPU-parallelism, and hardware security.

Ligis is the portable identity and credential layer for AI agents on the Pharos Network.

Enhancing the discoverability of the BASE ecosystem using Fleek Infrastructure, provides highly discoverable graph representations.

Agents can finally pay. The checkout AI buyers transact on, and the desk merchants trust — signed mandates, a hash-chained ledger, real Razorpay test rails. Track 1 · live at customs.srivtx.xyz

Celebrate ☀️OᑎᑕᕼᗩIᑎ ᔑᑌᗰᗰEᖇ with vibrant, playful NFTs capturing the joy and warmth of summer. Enjoy the season's magic on the blockchain! (Buildathon '24 submission)

AI banking demo for Sri Lanka with diaspora wallets, voice assistant, loan health, and SME bookkeeping.

Autonomous DeFi yield agent on Casper Network — AI-driven rebalancing, real custody, x402 agent economy, RWA oracle

AI Risk Manager for Razorpay Buildathon Track 2. Detects coordinated fraud rings across accounts, holds funds instead of cancelling, and leaves the final call to the merchant.

Payment infrastructure for autonomous AI agents — the AiFinPay x402 protocol, settled on Casper. Live testnet contract, x402 bridge, SDK examples & MCP server.

Ulgen AI is an autonomous, agentic due diligence system built for the Casper Agentic Buildathon. It protects DeFi and RWA (Real World Assets) investors by autonomously researching projects before capital is deployed , no human oversight required.

Live district leaderboards for Cursor Build Live — Colombo, Galle, Kandy, Jaffna. Check in, compete, browse archived hackathon results.