How can I view 0x42839acb's crypto portfolio?

You can view the full portfolio of 0x42839acb (0x4283237ce16c247a783f159317dc9f33efe99acb) on Zerion at https://app.zerion.io/0x4283237ce16c247a783f159317dc9f33efe99acb/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.