How can I view zkkingeth's crypto portfolio?

You can view the full portfolio of zkkingeth (0xb909d698fe4688ff5a4b7ab99bc989a4d2a8e133) on Zerion at https://app.zerion.io/0xb909d698fe4688ff5a4b7ab99bc989a4d2a8e133/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.