How can I view 0x3f3cce81's crypto portfolio?

You can view the full portfolio of 0x3f3cce81 (0x3f3ce1b227ed7eebbf8071cdd9853a307950ce81) on Zerion at https://app.zerion.io/0x3f3ce1b227ed7eebbf8071cdd9853a307950ce81/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.