How can I view dingding3607eth's crypto portfolio?

You can view the full portfolio of dingding3607eth (0x73428ec1c479c0f7c8113ec3d2829139c5273607) on Zerion at https://app.zerion.io/0x73428ec1c479c0f7c8113ec3d2829139c5273607/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.