How can I view marquieth's crypto portfolio?

You can view the full portfolio of marquieth (0x41617e0d994f3fdf3b1e1eca531b317f4fc9374d) on Zerion at https://app.zerion.io/0x41617e0d994f3fdf3b1e1eca531b317f4fc9374d/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.