How can I view vailoneth's crypto portfolio?

You can view the full portfolio of vailoneth (0xd9d994715192a0fd036ffe4eabc7f002b23c6fab) on Zerion at https://app.zerion.io/0xd9d994715192a0fd036ffe4eabc7f002b23c6fab/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.