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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Aleph Zero EVM

# Aleph Zero EVM Fees Methodology

## 1. Overview

The AlephZero fees metric measures the total daily transaction fees paid on the AlephZero EVM blockchain, denominated in USD. This metric captures the economic value users pay to process transactions on the network, providing insight into network usage and demand. The calculation involves extracting gas fees from all blockchain transactions, aggregating them daily, and converting to USD using end-of-day AZERO token prices.

## 2. Data sources

- **AlephZero EVM transaction records**: Complete transaction data including gas usage amounts, gas prices, transaction hashes, block timestamps, and sender/recipient addresses
- **End-of-day token price feeds**: Daily AZERO token prices in USD from CoinGecko, identified by the 'aleph-zero' coingecko_id

## 3. Step-by-step calculation

### Component A: Transaction data extraction
- **Purpose**: Extract and standardize all AlephZero EVM transaction data needed for fee calculation
- **Logic**: Retrieve all transactions from AlephZero EVM blockchain records, extracting key fields including block timestamps, transaction hashes, sender and recipient addresses, gas prices, and gas usage amounts. Convert gas price and gas usage fields from string format to numeric format for mathematical operations. Classify all transactions as belonging to the 'blockchains_l2' market sector and 'blockchain' business segment.
- **Key fields**: `block_timestamp` for timing, `gas_price` for per-unit cost, `gas_used_amount` for consumption quantity, `transaction_hash` for identification

### Component B: L2 gas fee calculation
- **Purpose**: Calculate the actual fee paid for each individual transaction
- **Logic**: For each transaction, multiply the `gas_used_amount` by the `gas_price` to get the total cost in wei (the smallest unit). Divide this result by 1e18 to convert from wei to AZERO tokens, representing the native token fee amount for each transaction.
- **Key fields**: `l2_gas_fee_amount` as the calculated fee in AZERO tokens per transaction

### Component C: Daily fee aggregation
- **Purpose**: Sum all transaction fees by day to create daily totals
- **Logic**: Group all transactions by truncated daily timestamp (using day-level precision), maintaining classification fields for market sector, business segment, product, and chain identifiers. Sum all individual `l2_gas_fee_amount` values within each day to produce total daily fees in AZERO tokens.
- **Key fields**: `timestamp` truncated to daily precision, `fees` as the aggregated daily total in AZERO

### Component D: USD price conversion
- **Purpose**: Convert daily AZERO fees to USD values using market prices
- **Logic**: Retrieve daily AZERO token prices from CoinGecko market data using the 'aleph-zero' identifier. Join the daily aggregated fees with the corresponding daily price data by matching timestamps. Multiply the daily `fees` amount in AZERO by the daily `price` in USD to calculate the total daily fees in USD.
- **Key fields**: `price` as daily AZERO/USD exchange rate, final `fees` in USD denomination

### Final aggregation
- **Combining components**: The calculation flows sequentially from raw transactions through individual fee calculations, daily aggregation, and finally USD conversion via price multiplication
- **Currency conversion**: Uses end-of-day CoinGecko prices to convert native AZERO token fees to USD values by direct multiplication
- **Time aggregation**: All data is aggregated to daily boundaries using timestamp truncation to day precision
- **Final calculation**: Daily fees in USD = Sum of (gas_used_amount × gas_price ÷ 1e18) for all transactions in the day, multiplied by the daily AZERO/USD price. The `finalize_metric_fees` macro applies standardized schema validation, ensures proper ID classification, and fills any gaps in the time series with zero values.

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

Total value users pay to use a protocol (gross fees, user-paid fees).

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