How can I view rostamianeth's crypto portfolio?

You can view the full portfolio of rostamianeth (0x423f34958977288b33607ee8a2d6556c0b78231c) on Zerion at https://app.zerion.io/0x423f34958977288b33607ee8a2d6556c0b78231c/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.