How can I view vladek39eth's crypto portfolio?

You can view the full portfolio of vladek39eth (0x17f490f2e8f4d266366865857e1034033bd7f7a6) on Zerion at https://app.zerion.io/0x17f490f2e8f4d266366865857e1034033bd7f7a6/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.