How can I view tatarin1eth's crypto portfolio?

You can view the full portfolio of tatarin1eth (0x0cb3dbaecac7a8cce19463e0d1f973f3004bbcc5) on Zerion at https://app.zerion.io/0x0cb3dbaecac7a8cce19463e0d1f973f3004bbcc5/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.