How can I view oatto124eth's crypto portfolio?

You can view the full portfolio of oatto124eth (0xba750379655f2448d0f7eb3bbce2ac609fb32ef7) on Zerion at https://app.zerion.io/0xba750379655f2448d0f7eb3bbce2ac609fb32ef7/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.