ethPandaOps Investigations
CASE FILES
When something interesting happens on the network, we investigate. These one-off analyses are part of our daily workflow at ethPandaOps and are archived here so the findings and learnings aren't blackholed in our Discord.
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Latest Case
Glamsterdam SSE event support by client on devnet-6
Checks which consensus clients emit each of the six new Glamsterdam beacon API SSE events on glamsterdam-devnet-6, using per-client xatu-sentry observations.
Jul 10
XEN Mint Waves and Client newPayload Divergence
A XEN batch-mint spam wave made geth, nethermind, reth and besu 2-3x slower at newPayload while ethrex didn't flinch. Same gas, very different pain
Jun 3
When Self-Built Blocks Arrive
How far into the slot does a locally-built block reach the network, and how does it compare to relay-delivered blocks?
May 14
FCR source comparison deep dive
Follow-up to the FCR implementation divergence investigation. Compares block-included against gossip-pool attestation sources and traces the residual gap to late subnet arrivals past the aggregation deadline.