How can I view nftholdeth's crypto portfolio?

You can view the full portfolio of nftholdeth (0x6fc27a66251811194dfd6c841592ae40cd50d9ae) on Zerion at https://app.zerion.io/0x6fc27a66251811194dfd6c841592ae40cd50d9ae/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.