How can I view 0xb09d1861's crypto portfolio?

You can view the full portfolio of 0xb09d1861 (0xb09df9094ecbef033d2684ef71bc85cfbb881861) on Zerion at https://app.zerion.io/0xb09df9094ecbef033d2684ef71bc85cfbb881861/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.