Ethras
Recover Ethereum WebSocket Logs Without Leaving Gaps
Use subscriptions for timely notifications and a reconciled historical cursor for completeness. Reconnect, backfill, deduplicate, and handle replaced logs explicitly.
Field notes for developers
Ethras Blog
RPC tutorials, product updates, and engineering notes.
Build a Resumable Ethereum Log Indexer with eth_getLogs
Turn log queries into recoverable indexing work with narrow filters, inclusive chunks, atomic checkpoints, idempotent storage, and explicit reorg handling.
Glamsterdam's Block-Level Access Lists: What RPC Developers Should Test
Understand Ethereum's planned block-level access lists, how they differ from transaction access lists, and how to prepare your RPC integrations.
PeerDAS and Blob Scaling: What Fusaka Changes for Rollup Data
Understand how PeerDAS samples blob data, why data availability differs from EVM execution, and what application teams should measure.
EIP-7702 Wallet Delegation: What You Authorize and What Persists
A practical guide to EOA code delegation, persistent authorization, wallet capabilities, and the security questions to ask before signing.
Ethereum Block Tags: Build a Consistent View with latest, safe, and finalized
Choose a block policy for Ethereum reads, anchor related requests to one block identity, and handle reorgs and unavailable history without silently changing the answer.