How can I view 0x1f7f5c4b's crypto portfolio?

You can view the full portfolio of 0x1f7f5c4b (0x1f7fbca665dce1f3c19756fb67b71dbd06435c4b) on Zerion at https://app.zerion.io/0x1f7fbca665dce1f3c19756fb67b71dbd06435c4b/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.