How can I view 0x2def53d6's crypto portfolio?

You can view the full portfolio of 0x2def53d6 (0x2defac4ab7c30231f034772d44fb9f1942d353d6) on Zerion at https://app.zerion.io/0x2defac4ab7c30231f034772d44fb9f1942d353d6/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.