How can I view 56397eth's crypto portfolio?

You can view the full portfolio of 56397eth (0x1f4bf2c65ff1f4a3e4ea6ab3b725af1e40c1e000) on Zerion at https://app.zerion.io/0x1f4bf2c65ff1f4a3e4ea6ab3b725af1e40c1e000/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.