Blockchain & Cryptocurrency Glossary

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Oracle Registry

Pronunciation
[awr-uh-kl rej-uh-stree]
Analogy
Like a certified directory listing licensed professionals eligible to provide services.
Definition
A smart contract that maintains a list of approved oracle nodes, their collateral stakes, public keys, and configuration parameters for consumer contracts to reference.
Key Points Intro
Oracle registries centralize node metadata and configuration for secure discovery.
Key Points

Node list: Approved oracle addresses and keys.

Configuration: Fees, collateral, and update intervals per node.

Governance: Registry updates via DAO or multi‑sig.

Discovery: Consumer contracts query registry for node set.

Example
A registry contract lists 20 Chainlink node addresses, each with staking amount and job IDs allowed.
Technical Deep Dive
Registry stores `nodes[]` struct with `address`, `pubKey`, `stake`, `active`. Functions `addNode()`, `removeNode()`, `updateNodeConfig()` restricted by governance.
Security Warning
Unauthorized registry changes can enable malicious nodes; secure with timelock and multi‑sig.
Caveat
Registry size impacts gas for enumeration; use pagination.
Related Terms
Oracle DAO
Oracle Governance
Oracle Collateralization
Multisig Governance
Oracle Node

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