How can I view 0x42339eb7's crypto portfolio?

You can view the full portfolio of 0x42339eb7 (0x42334b30b9aaf01ab59353646fd43a8f5f209eb7) on Zerion at https://app.zerion.io/0x42334b30b9aaf01ab59353646fd43a8f5f209eb7/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.