How can I view thecryptomillionaireeth's crypto portfolio?

You can view the full portfolio of thecryptomillionaireeth (0x12651f27224dcefa41db255a2814959373829fd9) on Zerion at https://app.zerion.io/0x12651f27224dcefa41db255a2814959373829fd9/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.