IoTeX is the blockchain platform for Real-World AI. Since 2017, its foundational infrastructure has delivered verified, real-time data from the real world to AI systems and decentralized applications. Powering 100+ projects and 40M devices across mobility, robotics, energy, health, and more, IoTeX enables developers to build next-gen AI models and applications that deliver real-world impact. The IoTeX tech stack provides the data, identity, and verification layers to fulfill the surging demand for real-world data in the new AI era. Trusted by partners like Google, Samsung, IEEE, ARM, and Nordic Semiconductor, IoTeX is uniquely positioned to capture the multi-trillion-dollar AI and data economy.

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# IoTeX Earnings Methodology

## 1. Overview

Earnings represents the net profit of the IoTeX blockchain network, calculated as total revenue minus total expenses. Revenue consists of fees that are burned (removed from circulation), including base fees and blob fees paid by users for transaction processing. Expenses consist of token incentives paid to validators, delegates, and other network participants to secure and operate the blockchain. This metric measures the network's financial sustainability by showing whether fee revenue exceeds the cost of network incentives.

## 2. Data sources

- **IoTeX transaction records**: Complete transaction data including gas usage, gas prices, blob gas usage, and effective gas prices
- **IoTeX block records**: Block-level data containing base fee per gas rates and gas usage statistics
- **IoTeX reward contract logs**: Event logs from the reward distribution contract (address `0xa576c141e5659137ddda4223d209d4744b2106be`) containing structured reward payment data
- **End-of-day IOTX price feeds**: Daily closing prices for IOTX token in USD for currency conversion
- **Custom reward log decoder**: Specialized UDF for parsing IoTeX's proprietary reward log data format into structured fields

## 3. Step-by-step calculation

### Component A: Base fee revenue calculation
- **Purpose**: Calculate revenue from base fees that are burned during transaction processing
- **Logic**: Extract transaction records and join with block data to get base fee rates. For each transaction, multiply the `gas_used` amount by the `base_fee_per_gas` from the corresponding block. Handle the EIP-1559 transition at block 33730921 where the network switched from using `gas_price` to `receipt_effective_gas_price` for fee calculation. Convert gas prices from wei to IOTX by dividing by 10^18. Aggregate all base fee amounts by day to get daily base fee revenue.
- **Key fields**: `gas_used` from transactions, `base_fee_per_gas` from blocks, `receipt_effective_gas_price` for post-EIP-1559 blocks

### Component B: Blob fee revenue calculation  
- **Purpose**: Calculate revenue from blob fees that are burned during blob transaction processing
- **Logic**: Extract blob transaction data including `blob_gas_used` and `blob_gas_price` fields. Multiply these values together to get the total blob fee amount for each transaction. Convert blob gas prices from wei to IOTX by dividing by 10^18. Aggregate all blob fee amounts by day to get daily blob fee revenue.
- **Key fields**: `blob_gas_used` and `blob_gas_price` from transactions

### Component C: Token incentive expenses calculation
- **Purpose**: Calculate total expenses from token incentives paid to network participants
- **Logic**: Extract event logs from the reward distribution contract at address `0xa576c141e5659137ddda4223d209d4744b2106be`. Use a custom UDF decoder to parse the binary log data into structured reward information. Categorize rewards by type using `reward_type_id`: 0 for block rewards, 1 for epoch rewards, 2 for foundation bonus, 3 for priority bonus. Extract the `amount_iotx` field representing the reward amount already converted to IOTX tokens. Aggregate all reward amounts by day across all reward types to get total daily token incentive expenses.
- **Key fields**: `reward_type_id` for categorization, `amount_iotx` for reward amounts, `recipient_address` for reward recipients

### Final aggregation
- **Combining components**: Sum base fee revenue and blob fee revenue to get total daily revenue. Token incentive expenses are already aggregated as total daily expenses.
- **Currency conversion**: Convert both revenue and expenses from IOTX to USD using end-of-day price feeds applied to daily aggregated amounts
- **Time aggregation**: All data is aggregated to daily boundaries using timestamp truncation to day level
- **Final calculation**: Subtract total daily expenses from total daily revenue to calculate net earnings: Earnings = (Base Fee Revenue + Blob Fee Revenue) - Token Incentive Expenses, with all amounts in USD

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

Net profit (also profits, net income, profitability) — revenue remaining after subtracting expenses.

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