Metis batches users' transactions and submits them to Ethereum, paying a share of the transaction fees to Ethereum validators (expense).

Metis is an L2 smart contract platform for decentralized applications on Ethereum. Metis was founded by Kevin Liu, Elena Sinelnikova, and Yuan Su, and launched in 2021.

METIS tokenholders own and govern the protocol. They currently run the only sequencer and take a cut of the total transaction fees paid by users (revenue). Metis' investors include Master Ventures, Digital Finance Group, Momentum 6, etc.

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Blockchains (L2)

Metis

# Metis Block time Methodology

## 1. Overview

The Metis block time metric measures the average time between consecutive blocks on the Metis blockchain, calculated daily. This metric indicates the network's block production performance and consensus efficiency. The calculation determines the time interval between sequential blocks and aggregates these intervals into daily averages, providing insight into the blockchain's operational tempo and network health.

## 2. Data sources

- **Metis blockchain block data**: Raw block headers from the Metis network containing block timestamps and sequential block numbers
- **Block timestamp records**: Precise timestamps indicating when each block was mined or validated on the Metis network
- **Block sequence data**: Sequential block numbers that establish the chronological order of blocks

## 3. Step-by-step calculation

### Component A: Block data preparation
- **Purpose**: Extract and clean raw Metis block data, filtering out problematic records
- **Logic**: The system retrieves raw block data including timestamps and block numbers from Metis blockchain records. Data quality filtering removes blocks with invalid timestamps, specifically those timestamped at '1970-01-01 00:00:00 UTC' which represents a known data quality issue in the Metis blockchain data. The genesis block (block 0) is also excluded as it has artificial timing. For incremental updates, the system processes only recent blocks based on a configurable lookback period.
- **Key fields**: `block_timestamp` (when the block was created), `block_number` (sequential identifier)

### Component B: Sequential block pairing
- **Purpose**: Create consecutive block pairs to enable time difference calculations
- **Logic**: Using window functions, the system pairs each block with its immediately preceding block based on sequential block number ordering. This creates a dataset where each block has both its own timestamp and the timestamp of the previous block, enabling time interval calculations between consecutive blocks.
- **Key fields**: `block_timestamp` (current block time), `previous_timestamp` (preceding block time), `block_number` (for ordering)

### Component C: Block interval calculation
- **Purpose**: Calculate the actual time taken between consecutive blocks
- **Logic**: For each block pair, the system calculates the time difference between the current block timestamp and the previous block timestamp using millisecond precision. Blocks without a valid previous timestamp (such as the first block in the sequence) are excluded from this calculation. The result is truncated to daily boundaries for aggregation purposes.
- **Key fields**: `block_time` (interval in milliseconds), `timestamp` (daily boundary)

### Final aggregation
- **Combining components**: Block intervals are grouped by day and averaged to produce daily block time metrics
- **Currency conversion**: Not applicable for this timing-based metric
- **Time aggregation**: Block intervals are grouped by calendar day using timestamp truncation, and the average block time is calculated for each day
- **Final calculation**: The daily average block time is computed by taking the mean of all individual block intervals within each day. Results are standardized with metadata including chain identifier ('metis'), market sector ('blockchains_l2'), and business segment ('blockchain') classifications. The final metric represents the average number of milliseconds between consecutive blocks for each day on the Metis network.

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

avg(block_timestamp - previous_block_timestamp)

MetisMETIS

Block time

Block time

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