How can I view 661201eth's crypto portfolio?

You can view the full portfolio of 661201eth (0xdf3ceabb8d6e9109789bfdd38c37a8b81d1c7f1a) on Zerion at https://app.zerion.io/0xdf3ceabb8d6e9109789bfdd38c37a8b81d1c7f1a/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.