How can I view yhelpereth's crypto portfolio?

You can view the full portfolio of yhelpereth (0x13b053f017b6c68e089267ffc3f10ee92ed95a79) on Zerion at https://app.zerion.io/0x13b053f017b6c68e089267ffc3f10ee92ed95a79/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.