How can I view sdsfdfsdfsdfsdfsdfsdfsdfeth's crypto portfolio?

You can view the full portfolio of sdsfdfsdfsdfsdfsdfsdfsdfeth (0x121fe7e3382d5d9609d25feda1bcfa7690bd4056) on Zerion at https://app.zerion.io/0x121fe7e3382d5d9609d25feda1bcfa7690bd4056/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.