How can I view 0xdc4881a9's crypto portfolio?

You can view the full portfolio of 0xdc4881a9 (0xdc48d6c5baa082f3a0f413db79d6995950ad81a9) on Zerion at https://app.zerion.io/0xdc48d6c5baa082f3a0f413db79d6995950ad81a9/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.