How can I view 0xc6cdf2d9's crypto portfolio?

You can view the full portfolio of 0xc6cdf2d9 (0xc6cdfef8479390aa032914af024d59cebb0ef2d9) on Zerion at https://app.zerion.io/0xc6cdfef8479390aa032914af024d59cebb0ef2d9/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.