How can I view kashtan24eth's crypto portfolio?

You can view the full portfolio of kashtan24eth (0xd0565d49bc0fd23685f10bd3fb60576b941ce487) on Zerion at https://app.zerion.io/0xd0565d49bc0fd23685f10bd3fb60576b941ce487/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.