How can I view davedefieth's crypto portfolio?

You can view the full portfolio of davedefieth (0xa970fa27e02a61d9ee6eb311cce7b8d2bdc6ab50) on Zerion at https://app.zerion.io/0xa970fa27e02a61d9ee6eb311cce7b8d2bdc6ab50/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.