Technical explainers, troubleshooting playbooks, and infrastructure guidance shaped by the questions developers search for.
Learn how Sui archive nodes work, how to query historical state via checkpoints and epochs, and how to access archive data through RPC or your own node.
Read articleLearn how to measure Base RPC latency, understand OP-Stack factors like block time and L1 settlement, and optimize query speed with practical techniques.
Read articleLearn how to measure Hyperliquid RPC latency across the native L1 API and HyperEVM, understand the key differences, and apply low-latency tuning for trading.
Read articleLearn how to connect to Monad's WebSocket RPC, use eth_subscribe for real-time data, and build resilient subscriptions with reconnection and resubscribe logic.
Read articleLearn why Polygon RPC calls time out, how to diagnose transport vs method-level timeouts, and how to implement robust retry patterns with exponential backoff for Polygon PoS.
Read articleLearn why Sui RPC requests time out, how QueryWeight and transport choices affect timeouts, and how to diagnose and fix them with retry patterns and endpoint failover.
Read articleLearn how to use Bittensor's WebSocket RPC for real-time Substrate subscriptions: chain heads, storage, and extrinsics, with a Node.js example and troubleshooting.
Read articleLearn what drives Ethereum RPC latency, how to measure it with a reproducible script, and how to optimize queries for lower effective latency.
Read articleLearn how Monad RPC endpoints enforce rate limits, why you get 429 Too Many Requests, and how to handle them with batching, caching, and exponential backoff.
Read articleLearn why Monad RPC requests time out and how to fix them: distinguish transport vs method-level timeouts, diagnose with curl and eth_blockNumber, and implement robust retry and failover patterns in ethers.js and viem.
Read article
OnFinality takes away the heavy lifting of DevOps so you can build smarter and faster.
Get StartedBuild and scale blockchain applications with reliable RPC, indexing, and data infrastructure from OnFinality.
Get the latest product updates, technical insights, and key announcements delivered straight to your inbox.
Ethereum
Solana
Polygon
Base
Arbitrum
BNB Chain
Polkadot
Optimism