How can I view laggardseth's crypto portfolio?

You can view the full portfolio of laggardseth (0xc8e0c02e5f5e0e4907bafb4d3b6b836c0fd3dcfa) on Zerion at https://app.zerion.io/0xc8e0c02e5f5e0e4907bafb4d3b6b836c0fd3dcfa/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.