How can I view blackkingbareth's crypto portfolio?

You can view the full portfolio of blackkingbareth (0x1519aea05d37bbfc0a0fa35cf513833006c6540a) on Zerion at https://app.zerion.io/0x1519aea05d37bbfc0a0fa35cf513833006c6540a/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.