Collators aggregate parachain transactions block candidates and producing state transition proofs for validators based on those blocks.

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# Kilt Number of validators Methodology

## 1. Overview

The KILT number of validators metric measures the daily count of active validators (called collators in the KILT network) participating in the parachain's consensus mechanism. This metric answers the key question of how many validators are actively securing the KILT blockchain on any given day. The calculation identifies unique validator addresses from KILT's parachainStaking system and counts them on a daily basis, providing insight into the network's decentralization and security participation.

## 2. Data sources

The metric relies on the following raw data sources from the KILT blockchain:

- **KILT parachain validator data**: Raw validator information from KILT's parachainStaking module, specifically from `totalCollatorStake` events that track active collators and their stake amounts
- **KILT blockchain data**: Block timestamps from KILT parachain blocks to enable daily time-based aggregation
- **Validator stake data**: Stake amounts for each validator to identify active participants in the consensus mechanism

## 3. Step-by-step calculation

### Component A: Validator data extraction
- **Purpose**: Extract and process raw validator information from KILT's parachainStaking system
- **Logic**: The system retrieves validator records from KILT's parachainStaking module, specifically from `totalCollatorStake` events. Each record contains a `validator_id` that uniquely identifies a collator, along with their `validator_stake` amount and the `block_timestamp` when the data was recorded. The timestamp is truncated to day-level granularity to enable daily aggregation. Validator stake amounts are converted from the raw blockchain units (which use 1e-15 precision) to standard decimal format by dividing by 1e15.
- **Key fields**: `validator_id` (unique validator identifier), `validator_stake` (converted stake amount), `timestamp` (daily truncated timestamp), `chain_id` (set to 'kilt')

### Component B: Daily aggregation
- **Purpose**: Count distinct validators and calculate total stake per day
- **Logic**: The processed validator data is grouped by date to create daily snapshots. For each day, the system counts the number of distinct `validator_id` values to determine how many unique validators were active. Additionally, it sums the total `validator_stake` across all validators to provide supplementary staking information. This aggregation ensures that each validator is counted only once per day, regardless of how many stake-related events they may have generated.
- **Key fields**: `number_of_collators` (daily count of unique validators), `total_validator_stake` (sum of all validator stakes), `timestamp` (day-level date)

### Final aggregation
- **Combining components**: The daily validator counts are processed through KILT's standardized metric finalization process, which applies consistent formatting and handles data quality requirements
- **Currency conversion**: Not applicable for this count-based metric
- **Time aggregation**: Data is aggregated at daily boundaries using timestamp truncation, with a fill-forward strategy applied to handle any gaps in the daily data series
- **Final calculation**: The final metric value represents the count of distinct validator addresses that were active in KILT's parachainStaking system on each given day, filtered by chain availability rules to exclude periods when data collection may have been incomplete

*This methodology was automatically generated by Token Terminal's methodology analyzer.*

Number of active validators securing the network.

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Number of validators

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