On-chain RWA portfolio dashboard tracking Ondo holdings (USDY, OUSG) with projected yields, price alerts, and DefiLlama TVL.

• Multi-wallet support — comma-separated Ethereum addresses with localStorage persistence
• On-chain balances — direct ERC-20 reads via ethers.js
• Per-wallet breakdown — value and projected yield per address
• Asset rollups — aggregated balances across all tracked wallets
• Ondo product APY leaderboard — DefiLlama yield pool ranking
• Ondo GM API — live prices and 24h change for alerts
• Yield accrual simulator — configurable 90d–2yr horizon with auto-refresh
• DefiLlama TVL — protocol-wide Ondo Finance TVL by chain
• CSV export — download holdings snapshot

cp .env.example .env
npm install
npm run dev

Open http://localhost:3000 and enter wallet address(es).

GET /api/portfolio?wallets=0xabc...,0xdef...&horizon=365

Query params:

• wallets — comma-separated Ethereum addresses (required)
• horizon — yield simulator days (default 365)

• Next.js 15 + TypeScript
• ethers.js v6 (on-chain)
• Ondo GM API + DefiLlama API
• Recharts yield simulator

npm run dev
npm run build
npm run check