How can I view coinbtceth's crypto portfolio?

You can view the full portfolio of coinbtceth (0x8aae84404661e3c015284b20b74c7a62ed29907e) on Zerion at https://app.zerion.io/0x8aae84404661e3c015284b20b74c7a62ed29907e/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.