TL;DR
- Node Bug Impact: A bug in Polygon’s Bor and Erigon nodes disrupted finality and caused RPC services to lose sync, affecting app performance.
- Validator Response: Infrastructure providers had to rewind to the last finalized block and resync to restore accurate network state.
- Chain Stability: Despite the disruption, Polygon’s core blockchain continued producing blocks and remained fully operational.
Polygon, a leading Layer 2 blockchain platform, encountered a temporary disruption in consensus finality on Wednesday due to a bug affecting its Bor and Erigon nodes. While the core blockchain remained operational and continued producing blocks, the incident caused significant issues for Remote Procedure Call (RPC) services and validator synchronization.
The disruption forced several infrastructure providers to rewind to the last finalized block and resynchronize, impacting access for applications built on the network.
Node Bug Triggers Finality Delay
The finality delay stemmed from a bug in the Bor and Erigon node configurations, which halted progress for certain validators and RPC providers. Polygon’s status page confirmed the issue early Wednesday, noting that while the chain itself was live, some services were unable to maintain proper synchronization. This led to degraded performance and accessibility for decentralized applications relying on real-time data from the network.
RPC Providers and Validators Forced to Rewind
As a direct consequence of the bug, many RPC providers and validators had to rewind to the last finalized block and initiate a resync process. This step was necessary to restore accurate state and ensure consistency across the network. Polygon engineers stated that restarting the affected nodes fixed the problem for many users, but the debugging process is still in progress. The team is actively collaborating with infrastructure partners to accelerate recovery and restore full functionality.
Core Chain Operations Remain Intact
Despite the disruption, Polygon emphasized that the incident did not compromise the integrity of its core chain operations. Blocks continued to be produced, and the network remained live throughout the event. The team reassured users that the finality delay was isolated to specific node configurations and did not affect the broader consensus mechanism. This distinction helped mitigate concerns about potential downtime or data loss.
Engineers Work Toward Full Recovery
Polygon’s engineering team is working closely with infrastructure providers to identify the root cause of the bug and implement a permanent fix. While restarting nodes has proven effective for many, the goal is to ensure long-term stability and prevent recurrence. News outlets have reached out to Polygon Labs for further comment, but no response was received at the time of publication. The situation remains fluid, with updates expected as the investigation progresses.
