How can I view vandophaeth's crypto portfolio?

You can view the full portfolio of vandophaeth (0x6a9b86e5a09eb214557825c89cd2aabdd832b830) on Zerion at https://app.zerion.io/0x6a9b86e5a09eb214557825c89cd2aabdd832b830/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.