How can I view olissiacateth's crypto portfolio?

You can view the full portfolio of olissiacateth (0x104f4e944bcb8a9c31b7c65b9bf92b7da36762c4) on Zerion at https://app.zerion.io/0x104f4e944bcb8a9c31b7c65b9bf92b7da36762c4/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.