How can I view 0x3c74f19d's crypto portfolio?

You can view the full portfolio of 0x3c74f19d (0x3c746f5f186d20a42d57e6473aadf701cbc7f19d) on Zerion at https://app.zerion.io/0x3c746f5f186d20a42d57e6473aadf701cbc7f19d/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.