How can I view basilevseth's crypto portfolio?

You can view the full portfolio of basilevseth (0x6cddbcb720f037a3b4abdd7a39ca5244eca2220e) on Zerion at https://app.zerion.io/0x6cddbcb720f037a3b4abdd7a39ca5244eca2220e/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.