How can I view 0xb51b5d7b's crypto portfolio?

You can view the full portfolio of 0xb51b5d7b (0xb51bc46ab43ae1c9f452d76eedf233fa166e5d7b) on Zerion at https://app.zerion.io/0xb51bc46ab43ae1c9f452d76eedf233fa166e5d7b/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.