How can I view lenaseth's crypto portfolio?

You can view the full portfolio of lenaseth (0x09fa8fd60403a6d5d7fcac30bfc5c63f2811ace7) on Zerion at https://app.zerion.io/0x09fa8fd60403a6d5d7fcac30bfc5c63f2811ace7/overview — including token balances, DeFi positions, NFTs, and transaction history across 20+ chains.

How can I access wallet portfolio data programmatically?

Use the Zerion API at https://developers.zerion.io to query any wallet's portfolio, token positions, DeFi positions, NFTs, and transaction history programmatically.