How can I view irblockchaineth's crypto portfolio?

You can view the full portfolio of irblockchaineth (0x4f4efca63f66b06f47449d50be02c3abc742f13a) on Zerion at https://app.zerion.io/0x4f4efca63f66b06f47449d50be02c3abc742f13a/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.