Where to Check Validator Slot Skip Ratios
To check the ratio of validators skipping slots, for the Solana chain primarily use block explorers (such as Solscan), for the Ethereum chain primarily use explorers like beaconcha.in, as well as their respective official or third-party monitoring tools.
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1. Solana Network: Skip Rate
On the Solana network, the core indicator for whether a validator skips assigned slots is the "Skip Rate." This data can be viewed directly on mainstream Solana block explorers.
Step 1: View a single validator's skip rate on Solscan
What to do: Search for the validator's node public key (Vote Account Address) on Solscan and view its detailed statistics page.
How to do it:
Open Solscan and enter the validator's address.
Go to the validator's detail page and locate the "Performance" or "Validator Stats" section.
Check the "Skip rate" or "Weighted skip rate" field.
Completion criteria: You can see the percentage of slots skipped by that validator over a past period. Solscan's official documentation explains that Skip rate is "the percentage of assigned slots that are skipped by the validator," while Weighted skip rate is a weighted network-wide average.
Step 2: Monitor a specific validator using Prometheus tools
What to do: If you need real-time monitoring of your own validator node, use open-source tools such as solana-exporter.
How to do it: Deploy solana-exporter, which exports metrics from the node for Prometheus to scrape. It provides a solana_leader_slots metric containing a count of status="skipped" that can be directly used to calculate the skip rate.
Completion criteria: Your monitoring dashboard displays statistics on the number of skipped and validated slots for that specific validator.
Prerequisites: For Solana, you need to know the validator's public key. For Ethereum, you need to know the validator index or public key.
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2. Ethereum Network: Missed Blocks
The method for querying an Ethereum validator's failure to produce a block (i.e., Missed Block, or Proposed Block Missed) is more mature, with the primary tool being beaconcha.in.
Step 1: View a single validator's slot records on beaconcha.in
What to do: Search for your validator index on beaconcha.in and view all slots it participated in.
How to do it:
Open beaconcha.in.
Enter the validator index or public key.
Go to the "Slots" tab, which shows all slots assigned to that validator and their statuses. Statuses include "Proposed," "Missed," and "Scheduled."
Completion criteria: You can see whether the validator successfully produced a block in specific historical slots.
Step 2: View the network-wide missed slot distribution
What to do: beaconcha.in also provides a network-wide performance view that can be used to analyze overall node behavior. For example, check how many slots were missed in the most recent epoch and which validators missed them.
How to do it: View this on the "Charts" or "Network" pages of beaconcha.in. Additionally, beaconcha.in has developed a mobile app (Beaconchain Dashboard) that supports push notifications for "Missed Block Proposal" alerts.
Additional note: An Ethereum validator may miss a slot for various reasons, such as node offline, client configuration errors, or even a network reorg that invalidates a produced block.
Risk warning: On both Solana and Ethereum, validators that consistently skip slots will face revenue penalties. If you run your own validator node, it is recommended to set up multi-source monitoring (e.g., solana-exporter or eth-validator-stats tools) to receive timely alerts when slots are missed, rather than checking data after the fact.
After completing these steps, how do you verify the data?
On Sol scan or beaconcha.in, find your validator's page and take a screenshot or note the skip rate or Missed Slot count. Then cross-verify the same time period's data using client logs or another monitoring tool—if both match, the skip rate you found is accurate. If the skip rate is abnormally high, the next step is to troubleshoot your validator client configuration and network connection instead of just staring at the numbers.
