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Blockchains (L3)

# XAI Average revenue per user (ARPU) Methodology

## 1. Overview

Average Revenue Per User (ARPU) measures the daily revenue generated per active user on the XAI blockchain. This metric is calculated by dividing total daily revenue by the number of daily active users (DAU). XAI is a Layer 3 blockchain, and this metric helps understand the monetization efficiency and user value generation on the platform. The calculation uses transaction gas fees as the revenue source and transaction senders as the user base.

## 2. Data sources

The ARPU calculation relies on two primary data sources:

- **XAI blockchain transactions**: Complete transaction records from the XAI blockchain including transaction metadata, gas usage, gas prices, sender and receiver addresses, and timestamps
- **End-of-day price feeds**: Daily XAI token price data from CoinGecko market data API, specifically for the `xai-blockchain` token, providing USD conversion rates for revenue calculation

## 3. Step-by-step calculation

### Component A: Transaction data collection

- **Purpose**: Extracts all relevant transaction data from the XAI blockchain for both revenue and user calculations
- **Logic**: Collects transaction records from XAI blockchain data including `block_timestamp`, `transaction_hash`, `from_address`, `to_address`, gas pricing information (`receipt_effective_gas_price`), and gas usage (`receipt_gas_used`). Transactions are filtered to include only those up to August 22, 2025. The XAI token address `0x82af49447d8a07e3bd95bd0d56f35241523fbab1` is associated with each transaction for price lookups.
- **Key fields**: `from_address` (used for user identification), `gas_price` and `gas_used_amount` (for fee calculation), `block_timestamp` (for daily aggregation)

### Component B: Revenue calculation from gas fees

- **Purpose**: Calculates daily revenue from XAI blockchain transaction fees in USD
- **Logic**: Gas fees are calculated by multiplying `gas_used_amount` by `gas_price`, then dividing by 1e18 to convert from wei to XAI tokens. These fees are aggregated daily and converted to USD using end-of-day XAI token prices from CoinGecko. The conversion joins daily fee amounts with corresponding daily price data on the timestamp field.
- **Key fields**: `l3_gas_fee_amount` (calculated as gas_used × gas_price ÷ 1e18), `price` (from CoinGecko), `fees` (USD-denominated revenue)

### Component C: Daily active user calculation

- **Purpose**: Counts unique users (transaction senders) per day using efficient aggregation
- **Logic**: Daily active users are identified as distinct `from_address` values per day from XAI transactions. Users are classified as "Transaction sender" type. The calculation uses HyperLogLog (HLL) data structures for efficient distinct counting, which allows for scalable aggregation across multiple dimensions including project level, chain level, user type, and product level breakdowns.
- **Key fields**: `user_dau` (distinct user addresses), `user_type` (set to "Transaction sender"), `timestamp` (for daily grouping)

### Final aggregation

- **Combining components**: The ARPU calculation uses the `calculate_arpu` macro which divides the daily revenue metric by the daily user metric for the XAI project. Both metrics are matched by timestamp and project identifier to ensure proper alignment.
- **Currency conversion**: All revenue values are converted to USD using end-of-day XAI token prices from CoinGecko, applied during the revenue calculation phase before the ARPU division.
- **Time aggregation**: Both revenue and user metrics are aggregated to daily boundaries using `timestamp_trunc` function on transaction timestamps. All calculations use day-level granularity.
- **Final calculation**: ARPU equals total daily revenue in USD divided by the count of daily active users, producing the average revenue generated per user per day on the XAI blockchain.

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

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