How can I view deca55eth's crypto portfolio?

You can view the full portfolio of deca55eth (0x5ec5a375f27eb6254ca45ec967cd7483eb7e03e2) on Zerion at https://app.zerion.io/0x5ec5a375f27eb6254ca45ec967cd7483eb7e03e2/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.