How can I view bybtceth's crypto portfolio?

You can view the full portfolio of bybtceth (0x738c5dbca9f2d022174c7abf99da5bec001fc54d) on Zerion at https://app.zerion.io/0x738c5dbca9f2d022174c7abf99da5bec001fc54d/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.