How can I view 0x3afdf3f4's crypto portfolio?

You can view the full portfolio of 0x3afdf3f4 (0x3afd90255fe589f62cbdcdb4962ba347a591f3f4) on Zerion at https://app.zerion.io/0x3afd90255fe589f62cbdcdb4962ba347a591f3f4/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.