How can I view openzkseth's crypto portfolio?

You can view the full portfolio of openzkseth (0x5faef4a724f460102d0b9bb7f80fda132bc2c06c) on Zerion at https://app.zerion.io/0x5faef4a724f460102d0b9bb7f80fda132bc2c06c/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.