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

Linea is an L2 smart contract platform for decentralized applications on Ethereum. Linea was founded by the ConsenSys team and launched in 2023.

ConsenSys team owns and governs the protocol. ConsenSys's investors include ParaFi Capital, Microsoft, Coinbase Ventures, etc.

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Blockchains (L2)

Linea

# Linea Average transaction fee Methodology

## 1. Overview

The Linea average transaction fee metric measures the mean cost per transaction on the Linea Layer 2 blockchain, expressed in USD. This metric is calculated by dividing the total transaction fees collected each day by the total number of transactions executed that day. It provides insight into the cost efficiency of using the Linea network and helps track fee trends over time.

## 2. Data sources

The calculation relies on the following raw data sources:
- **Linea blockchain transaction records**: Complete transaction data including transaction hashes, gas usage amounts, gas prices, sender and recipient addresses, and block timestamps
- **End-of-day token price feeds**: ETH to USD exchange rates used for currency conversion
- **Token metadata**: ETH token information including the native token address for Linea (`0xe5d7c2a44ffddf6b295a15c148167daaaf5cf34f`)

## 3. Step-by-step calculation

### Component A: Transaction fee calculation
- **Purpose**: Calculate the total fees collected per day in USD
- **Logic**: Raw Linea transaction records are processed to extract gas usage data. Each transaction's fee is calculated by multiplying the `gas_used` field by the `gas_price` field, then dividing by 1e18 to convert from wei to ETH. These individual transaction fees are then summed by day to get total daily fees in ETH. The ETH-denominated fees are converted to USD using end-of-day exchange rates through the currency conversion process.
- **Key fields**: `gas_used` (gas consumed by transaction), `gas_price` (price per gas unit in wei), `block_timestamp` (for daily aggregation), `token_address` (ETH token identifier)

### Component B: Transaction count calculation  
- **Purpose**: Count the total number of unique transactions per day
- **Logic**: The same Linea transaction records are processed to count distinct transactions. Transaction records are grouped by day using timestamp truncation, and distinct transaction hashes are counted to ensure each transaction is counted exactly once, even if it appears multiple times in the data.
- **Key fields**: `transaction_hash` (unique transaction identifier), `block_timestamp` (for daily aggregation boundaries)

### Final aggregation
- **Combining components**: The daily total fees (in USD) are joined with the daily transaction counts using the date as the join key. Both components must have data for the same day to be included in the final calculation.
- **Currency conversion**: ETH-denominated fees are converted to USD using end-of-day exchange rates. The conversion applies appropriate decimal corrections to ensure accurate USD values.
- **Time aggregation**: All calculations use daily boundaries determined by truncating block timestamps to the day level. This creates consistent daily aggregation periods.
- **Final calculation**: The average transaction fee is calculated using safe division of total daily fees by total daily transaction count. This protects against division by zero when there are no transactions on a given day. Missing days are filled with zero values to maintain complete time series data, and chain availability filtering excludes periods when Linea data collection was unavailable.

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

LineaLINEA

Average transaction fee

Average transaction fee

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