How can I view 0x54dcdd67's crypto portfolio?

You can view the full portfolio of 0x54dcdd67 (0x54dcba236270e7df0b8b2dfa3439cfc664cbdd67) on Zerion at https://app.zerion.io/0x54dcba236270e7df0b8b2dfa3439cfc664cbdd67/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.