Arbitrum P99
—
RTT latency
Optimism P99
—
RTT latency
Base P99
—
RTT latency
ZKSync P99
—
RTT latency
Mantle P99
—
RTT latency
Sequencer P99 RTT — 1 h window (5 min delay)
ETH Blob Base Fee
—
L2 congestion indicator · alert >0.5
Gas Pressure
—
MEV war indicator · alert >90%
L2 Revert Ratio
—
ARB / Base · exploit signal >15%
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