How can I view takgeo21eth's crypto portfolio?

You can view the full portfolio of takgeo21eth (0xfb9f554abf53ef4db93e4f63545baee88c63c6b0) on Zerion at https://app.zerion.io/0xfb9f554abf53ef4db93e4f63545baee88c63c6b0/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.