How can I view 0x25ef27ab's crypto portfolio?

You can view the full portfolio of 0x25ef27ab (0x25ef8a586af0b7a9897585d68f675e11f94e27ab) on Zerion at https://app.zerion.io/0x25ef8a586af0b7a9897585d68f675e11f94e27ab/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.