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 fees per user (AFPU) Methodology

## 1. Overview

Average fees per user (AFPU) measures the mean daily transaction costs incurred by an individual active user on the Fraxtal network. This metric accounts for both Layer 2 execution costs and Layer 1 data availability fees, providing a comprehensive view of the economic expense required to interact with the blockchain. By evaluating the ratio of total daily fees to the number of active users (daily), the affordability and economic density of the network are quantified for institutional analysis.

## 2. Data sources

- **Fees**: Derived from the Fees metric
- **Active users (daily)**: Derived from the Active users (daily) metric
- **Blockchain events**: Transaction metadata and gas consumption records from the Fraxtal network, covering Fraxtal
- **External data**: End-of-day price feeds for native assets, including frxETH and FRAX

## 3. Step-by-step calculation

### Component A: Gas fee extraction and normalization

- **Purpose**: Calculate the total transaction fees paid on the network, including local execution and security costs.
- **Logic**: Transaction metadata is parsed to extract gas usage and pricing for both the local network and the base Layer 1. The Layer 2 gas fee is calculated by multiplying the gas used by the gas price. The Layer 1 gas fee is determined by multiplying the Layer 1 gas used, the Layer 1 gas price, and the Layer 1 fee scalar. Before the North Star hardfork, these amounts are attributed to frxETH, while post-hardfork transactions are attributed to FRAX. All values are normalized by decimal precision.
- **Key fields**: `gas_used`, `gas_price`, `l1_gas_used`, `l1_gas_price`, and `l1_fee_scalar`

### Component B: Active user identification

- **Purpose**: Determine the daily count of unique participants initiating transactions.
- **Logic**: Transaction records are filtered to identify unique transaction senders. The number of distinct addresses that successfully initiate at least one transaction is aggregated for each 24-hour UTC window to establish the count of active users (daily).
- **Key fields**: `from_address`

### Component C: USD conversion and daily aggregation

- **Purpose**: Standardize fee totals into USD for cross-period analysis.
- **Logic**: Daily fee totals for each native asset are multiplied by their respective end-of-day USD price feeds. Fees from Layer 2 and Layer 1 components are summed to arrive at a total daily fee figure in USD.

### Component D: AFPU calculation

- **Purpose**: Generate the final average fee per user.
- **Logic**: The total daily fees in USD are divided by the count of active users (daily). In instances where no activity is recorded, the metric is set to zero to ensure data continuity. The calculation is performed at a daily granularity with UTC day boundaries.

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

FraxtalFXTL

Average fees per user (AFPU)

Average fees per user (AFPU)

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