How can I view arnoldcnseth's crypto portfolio?

You can view the full portfolio of arnoldcnseth (0x1afe8a03214bf47300c2b3b7918ffda98fb359c8) on Zerion at https://app.zerion.io/0x1afe8a03214bf47300c2b3b7918ffda98fb359c8/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.