Crypto’s ‘Invisible Infrastructure’: Indexers, Relayers, and Other Unsung Heroes
April 15, 2026 · 15 mins read
When most people think about cryptocurrency, they picture Bitcoin prices, NFT marketplaces, or DeFi protocols promising massive returns. But beneath every transaction, every wallet query, and every cross-chain swap lies a vast web of invisible infrastructure built and maintained by the unsung heroes of the crypto world. These are the indexers, relayers, oracles, mempool monitors, […]