Glossary
2 min readPublished May 6, 2026

KYA (Know Your Address)

KYA, or Know Your Address, is the practice of assessing the risk profile of a specific blockchain address itself — its history, labels, and behavior — independent of who legally owns it. It is address-centric screening, distinct from customer-centric KYC.

Compliance & Screening
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#monitoring

KYA, or Know Your Address, is the practice of assessing the risk profile of a specific blockchain address itself (its history, labels, and behavior) independent of who legally owns it. It is address-centric screening, distinct from customer-centric KYC.

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What it means

The distinction matters because a single legal customer can control many addresses, and a single address's risk profile is knowable directly from public blockchain data even before any identity is attached to it. KYA lets a business evaluate a deposit or counterparty address on its own merits (its past transactions, its label history, its exposure to known risk) regardless of whose name is on the account.

KYA is the analytical foundation that FreezeRadar-style wallet scanning is built on: every finding in a scan is, at its core, a statement about what a specific address's on-chain history shows, assembled from label data, sanctions lists, and pattern detection applied to that address and its transaction graph.

Real-world example

Before accepting a large deposit, a treasury team might run a KYA check on the sending address itself (checking its blacklist status, sanctions exposure, and counterparty history) as a standalone assessment separate from any identity verification already done on the counterparty as a customer.

In FreezeRadar

A FreezeRadar wallet scan is fundamentally a KYA assessment, every finding is derived from the address's own on-chain history, not from any claimed identity behind it.

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