Signal
Base Sepolia network stalls at block 40297498 ahead of scheduled V1 upgrade
Evidence first: scan the strongest sources, then decide whether to go deeper.
Published 2026-04-16 18:30 UTCUpdated 2026-04-16 19:51 UTC
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Evidence trail (top sources)
top sources (3 domains)domains are deduped. counts indicate coverage, not truth.3 top sources shown
Overview
On April 16, 2026, the Base Sepolia testnet experienced a network-wide stall at block 40297498, impacting major infrastructure providers including QuickNode, Infura, and Alchemy. Preliminary investigations indicated the cause was external to these providers' infrastructures.
Entities
Base SepoliaBase V1
Score total
1.14
Momentum 24h
4
Posts
4
Origins
3
Source types
1
Duplicate ratio
0%
Why now
- The stall occurred recently on April 16, 2026, impacting multiple major infrastructure providers simultaneously.
- A fix has been implemented and is actively monitored, showing responsive incident management.
- The scheduled Base V1 upgrade on April 20, 2026, will bring significant enhancements shortly after the incident.
Why it matters
- Base Sepolia is a key testnet for the Base Layer 2 network, so stalls affect developer testing and ecosystem confidence.
- The upcoming Base V1 upgrade introduces important technical improvements enhancing network performance and decentralization.
- Quick resolution and monitoring of network-wide stalls are vital to maintaining trust in blockchain infrastructure.
LLM analysis
Topic mix: lowPromo risk: lowSource quality: high
Recurring claims
- Base Sepolia network stalled at block 40297498 affecting multiple major infrastructure providers.
- The cause of the Base Sepolia stall was external to major infrastructure providers' systems and a fix has been implemented and is monitored.
- Base Sepolia is scheduled for a V1 upgrade on April 20, 2026, introducing Osaka support, simplified WebSocket format, and a new multi-proof system for faster withdrawals and decentralization.
How sources frame it
- Infura Status Update: neutral
Consolidated multiple infrastructure status reports to provide a clear timeline and context for the Base Sepolia network stall and upcoming upgrade.
All evidence
All evidence
Base Sepolia upgrade to Base V1
Status - Alchemy · status.alchemy.com · 2026-04-16 19:51 UTC
Base Sepolia Peer-to-peer Network outage
Status - Infura · status.infura.io · 2026-04-16 19:17 UTC
Base Sepolia - Stuck Network at Block 40297498
Status - QuickNode · status.quicknode.com · 2026-04-16 18:30 UTC
Show filters & breakdown
Posts loaded: 0Publishers: 3Origin domains: 3Duplicates: -
Showing 3 / 0
Top publishers (this list)
- Status - Alchemy (1)
- Status - Infura (1)
- Status - QuickNode (1)
Top origin domains (this list)
- status.alchemy.com (1)
- status.infura.io (1)
- status.quicknode.com (1)