How can I view 0x3cf9411c's crypto portfolio?

You can view the full portfolio of 0x3cf9411c (0x3cf96aa64cb3c7e480f52352f39e170f89c5411c) on Zerion at https://app.zerion.io/0x3cf96aa64cb3c7e480f52352f39e170f89c5411c/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.