Bitquery is a blockchain data platform that exposes a single unified GraphQL schema across 40+ networks (Ethereum, Solana, BSC, Base, Polygon, Arbitrum, Optimism, Tron, and more) through multiple delivery modes - GraphQL over HTTP, GraphQL subscriptions over WebSocket, Kafka protobuf streams, gRPC (Solana CoreCast), an MCP server backed by… - View it on GitHub