How can I view 0x770475ff's crypto portfolio?

You can view the full portfolio of 0x770475ff (0x7704c473a19666043de87f0a4ea7f941e83675ff) on Zerion at https://app.zerion.io/0x7704c473a19666043de87f0a4ea7f941e83675ff/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.