How can I view halfwseth's crypto portfolio?

You can view the full portfolio of halfwseth (0x9debb56c9f73f8255e179c1ba9b7fbf6c422e866) on Zerion at https://app.zerion.io/0x9debb56c9f73f8255e179c1ba9b7fbf6c422e866/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.