How can I view fengtianeth's crypto portfolio?

You can view the full portfolio of fengtianeth (0x17a3a975c967c70a5fa5c2479cd24a3033f03717) on Zerion at https://app.zerion.io/0x17a3a975c967c70a5fa5c2479cd24a3033f03717/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.