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

Fraxtal is an Ethereum Layer 2 (L2) blockchain built on the OP Stack by Frax Finance. It uses frxETH as the gas token and features a blockspace incentive system called Flox. Fraxtal launched in February 2024.

Frax Finance team owns and governs the protocol. Frax Finance's investors include Dragonfly Capital, Mechanism Capital, Galaxy Digital, etc.

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Fraxtal

# Fraxtal Average transaction fee Methodology

## 1. Overview

Average transaction fee measures the average USD value paid by users for a single transaction on Fraxtal. This metric accounts for both the L2 execution costs and the L1 security costs required to post data to Ethereum. It reflects the typical cost of interacting with the network and is calculated by dividing the total daily fees by the total daily transaction count.

## 2. Data sources

- **Blockchain events**: Transactions from Fraxtal
- **External data**: End-of-day price feeds for native gas assets (frxETH and FRAX)

## 3. Step-by-step calculation

### Component A: Transaction data extraction

- **Purpose**: Extract the raw gas parameters and transaction details required for fee and volume calculations
- **Logic**: Transactions are parsed from Fraxtal to capture gas used, L1 gas used, gas price, L1 gas price, and the L1 fee scalar. The native gas asset is identified based on the transaction timestamp relative to the North Star hardfork on April 29, 2025; transactions occurring before this date are associated with frxETH, while transactions occurring on or after this date are associated with FRAX.
- **Key fields**: `receipt_gas_used`, `receipt_l1_gas_used`, `gas_price`, `receipt_l1_gas_price`, `receipt_l1_fee_scalar`, and `transaction_hash`

### Component B: Total fee calculation

- **Purpose**: Calculate the total cost of transactions by combining L2 execution and L1 data availability components
- **Logic**: Fees are calculated as the sum of L2 gas fees and L1 gas fees. L2 gas fees are computed by multiplying the gas used by the gas price. L1 gas fees are computed by multiplying the L1 gas used, the L1 gas price, and the L1 fee scalar. All amounts are normalized by decimal precision and converted to USD using end-of-day price feeds for the respective native gas assets.
- **Key fields**: `l2_gas_fee`, `l1_gas_fee`, and `token_address`

### Component C: Transaction count aggregation

- **Purpose**: Determine the total number of successful interactions on the network
- **Logic**: The total daily transaction count is determined by counting the number of unique transaction hashes recorded on the network within a UTC day boundary.
- **Key fields**: `transaction_hash`

### Component D: Average calculation and final aggregation

- **Purpose**: Derive the final average fee metric
- **Logic**: The average transaction fee is calculated by dividing the total daily fees (in USD) by the total daily transaction count. The resulting value is aggregated at a daily granularity.
- **Key fields**: `fees` and `transaction_count`

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

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Average transaction fee

Average transaction fee

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