Aleph Zero EVM is powered by Arbitrum's AnyTrust protocol which uses a data availability committee (DAC) to store raw transaction data.

Aleph Zero EVM is an Ethereum layer 2 powered by Arbitrum Orbit tech stack. This dashboard does not include Aleph Zero WASM data.

AZERO tokenholders own and govern the protocol.

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Blockchains (L2)

Aleph Zero EVM

# Aleph Zero EVM Average fees per user (AFPU) Methodology

## 1. Overview

Average Fees Per User (AFPU) measures the average transaction fees paid per unique daily user on the AlephZero EVM blockchain. This metric is calculated by dividing the total daily transaction fees (in USD) by the number of unique daily active users. AFPU provides insight into user engagement economics and fee monetization efficiency, answering how much revenue the protocol generates per active user through transaction fees.

## 2. Data sources

The calculation relies on two primary data sources:
- **Blockchain transaction data**: AlephZero EVM transaction records containing sender addresses, recipient addresses, gas usage amounts, gas prices, and timestamps
- **External price feeds**: End-of-day AZERO token price data from CoinGecko API providing USD conversion rates for fee calculations

## 3. Step-by-step calculation

### Component A: Transaction fee calculation
- **Purpose**: Calculate daily transaction fees in USD from AlephZero EVM blockchain activity
- **Logic**: Extract all AlephZero EVM transactions and compute gas fees by multiplying `gas_used_amount` by `gas_price`, then divide by 1e18 to convert from wei to AZERO tokens. Aggregate these fees daily by summing all transaction fees per day. Convert AZERO-denominated fees to USD by multiplying with the corresponding daily AZERO price from CoinGecko end-of-day price feeds.
- **Key fields**: `gas_used_amount` (gas consumed per transaction), `gas_price` (price per gas unit), `block_timestamp` (transaction timing), and `l2_gas_fee_amount` (calculated fee in AZERO tokens)

### Component B: Daily active user calculation  
- **Purpose**: Count unique daily users based on transaction activity
- **Logic**: Identify unique transaction senders by extracting distinct `from_address` values from AlephZero EVM transactions, truncated to daily boundaries using timestamp truncation. Users are classified as "Transaction sender" type. Use HyperLogLog (HLL) counting functions to create scalable unique user counts across different dimensional breakdowns including project-level, chain-level, user-type-level, and product-level aggregations.
- **Key fields**: `from_address` (transaction sender address), `block_timestamp` (truncated to daily boundaries), and `user_dau` (unique user identifier)

### Final aggregation
- **Combining components**: Join the daily fees data with daily active user counts using the `calculate_arpu` macro, which performs the division operation between the two metrics
- **Currency conversion**: Fees are converted to USD using end-of-day AZERO token prices from CoinGecko, applied at the daily aggregation level before the final ratio calculation
- **Time aggregation**: Both fees and user counts are aggregated to daily boundaries using timestamp truncation, ensuring consistent time periods for the ratio calculation
- **Final calculation**: AFPU is calculated by dividing the total daily transaction fees (in USD) by the count of unique daily active users, producing the average fees per user metric finalized through the `finalize_metric_afpu` macro with zero-fill strategy for missing days

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

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Average fees per user (AFPU)

Average fees per user (AFPU)

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