How can I view tk123eth's crypto portfolio?

You can view the full portfolio of tk123eth (0x761599064123baf63413e5c7b84e25ed64531867) on Zerion at https://app.zerion.io/0x761599064123baf63413e5c7b84e25ed64531867/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.