How can I view 0xd355bfdb's crypto portfolio?

You can view the full portfolio of 0xd355bfdb (0xd355ed5cc0ff12e151ed0089fca81ab016b7bfdb) on Zerion at https://app.zerion.io/0xd355ed5cc0ff12e151ed0089fca81ab016b7bfdb/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.