How can I view 0x21ad3bfb's crypto portfolio?

You can view the full portfolio of 0x21ad3bfb (0x21ad777d86aa4ff2500dec95fede4a8ebec43bfb) on Zerion at https://app.zerion.io/0x21ad777d86aa4ff2500dec95fede4a8ebec43bfb/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.

0x21ad…3bfb

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