How can I view longbnb2017eth's crypto portfolio?

You can view the full portfolio of longbnb2017eth (0x5e313d65611db9e1c0449d695294b50ca65779df) on Zerion at https://app.zerion.io/0x5e313d65611db9e1c0449d695294b50ca65779df/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.