How can I view 104264eth's crypto portfolio?

You can view the full portfolio of 104264eth (0x315f8ea109dd7fcda2b0e6b7fa4d7a4ab0e16de3) on Zerion at https://app.zerion.io/0x315f8ea109dd7fcda2b0e6b7fa4d7a4ab0e16de3/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.