How can I view kowlovskieth's crypto portfolio?

You can view the full portfolio of kowlovskieth (0x3a53c4d69942be0d49e871e515c602bcf98b3aa1) on Zerion at https://app.zerion.io/0x3a53c4d69942be0d49e871e515c602bcf98b3aa1/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.