Infrastructure Terms
Block Explorer
A web tool enabling anyone to search transactions, addresses, and blocks on a blockchain.
Indexer
A node organizing blockchain data in a queryable format for efficient retrieval.
Oracle
A service feeding real-world data into blockchain smart contracts.
Price Feed
A continuously updated data stream providing current asset prices to DeFi protocols.
Relayer
A service submitting signed transactions or cross-chain messages on behalf of users.
Subgraph
An indexed dataset on The Graph protocol making blockchain data queryable.
TWAP
Time-Weighted Average Price - average price over a time window, resistant to manipulation.