How can I view brownsquirreleth's crypto portfolio?

You can view the full portfolio of brownsquirreleth (0x239be1f15e673538b6b5b41ca843a9ae37fd7599) on Zerion at https://app.zerion.io/0x239be1f15e673538b6b5b41ca843a9ae37fd7599/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.