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Blockchains (L2)

Superseed

# Superseed Block time Methodology

## 1. Overview

Block time measures the average time interval between consecutive blocks on the Superseed blockchain, aggregated daily. This metric answers the question: "How long does it take on average for new blocks to be produced on Superseed each day?" The calculation involves measuring time differences between consecutive blocks and averaging them across each calendar day.

## 2. Data sources

The calculation uses the following raw data sources:
- **Superseed blockchain block data**: Raw block records from the Superseed network containing block timestamps and sequential block numbers
- **Block metadata**: Fundamental blockchain infrastructure data including when each block was produced (`block_timestamp`) and its position in the chain (`block_number`)

## 3. Step-by-step calculation

### Component A: Block data preparation
- **Purpose**: Extract and filter relevant block information from the Superseed blockchain
- **Logic**: The calculation starts by extracting block timestamps and block numbers from raw Superseed blockchain data. The genesis block (block number 0) is excluded since it has a timestamp at the start of Unix time, which would skew block time calculations. Data types are properly cast to ensure timestamp and integer formats for downstream processing.
- **Key fields**: `block_timestamp` (when the block was produced), `block_number` (sequential block identifier)

### Component B: Consecutive block pairing  
- **Purpose**: Pair each block with its immediate predecessor to enable time difference calculations
- **Logic**: Using a window function ordered by block number, each block is paired with the timestamp of the previous block in the sequence. This creates the necessary data structure to calculate time intervals between consecutive blocks.
- **Key fields**: `block_timestamp` (current block time), `previous_timestamp` (previous block time), `block_number` (for ordering)

### Component C: Individual block time calculation
- **Purpose**: Calculate the time interval for each individual block
- **Logic**: For each block-pair where a previous timestamp exists, the time difference is calculated in milliseconds using timestamp arithmetic. Blocks without a previous timestamp (the first block after genesis) are excluded. Timestamps are truncated to daily boundaries to prepare for daily aggregation.
- **Key fields**: `block_time` (milliseconds between consecutive blocks), `timestamp` (daily truncated timestamp)

### Component D: Daily aggregation
- **Purpose**: Aggregate individual block times into daily averages
- **Logic**: Block times are grouped by calendar day and averaged to produce a single daily block time metric. The aggregation includes standard metric metadata fields identifying this as Superseed blockchain data in the L2 blockchains market sector.
- **Key fields**: `timestamp` (daily grain), `chain_id` (superseed), `market_sector_id` (blockchains_l2), `block_time` (average daily block time)

### Final aggregation
- **Combining components**: The daily aggregated block times flow through a finalization macro that standardizes the metric format and applies a zero-filling strategy for any missing days in the time series
- **Currency conversion**: Not applicable - block time is measured in milliseconds, not currency
- **Time aggregation**: Data is aggregated to daily boundaries using timestamp truncation, with averages calculated across all blocks produced within each calendar day
- **Final calculation**: The final metric represents the average time in milliseconds between consecutive blocks for each day, with missing days filled with zero values to maintain a complete time series

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

avg(block_timestamp - previous_block_timestamp)

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