Collators aggregate parachain transactions block candidates and producing state transition proofs for validators based on those blocks.

NeuroWeb is a decentralized Artificial Intelligence blockchain powered by Polkadot Relay chain.

NEURO holders own and govern the protocol.

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NeuroWeb

# NeuroWeb Earnings Methodology

## 1. Overview

NeuroWeb earnings are measured as the protocol's net profit, calculated as total revenue minus total expenses. This metric represents the protocol's financial performance by subtracting the cost of block rewards (expenses) from transaction fee income (revenue). Fees from both Layer 1 (substrate chain) and NeuroWeb EVM operations within the NeuroWeb ecosystem are captured in the calculation. The metric is capped and only calculated for historical data up to September 24, 2026.

## 2. Data sources

- **Blockchain events**: `TransactionFeePaid` events from `transactionPayment` pallets, `Withdraw`, `Deposit`, and `Issued` events from `balances` pallets, and `Executed` events from `ethereum` pallets on NeuroWeb
- **External data**: End-of-day price feeds for the native NEURO asset
- **Account mapping data**: Mapping table used to link NeuroWeb parachain accounts to their corresponding EVM addresses for proper fee attribution

## 3. Step-by-step calculation

### Component A: Layer 1 transaction fees

- **Purpose**: Captures transaction fees paid on the NeuroWeb Layer 1 (substrate) chain
- **Logic**: Fees are extracted from `TransactionFeePaid` events in the `transactionPayment` pallet. Each event contains a base transaction fee and optional tip, which are summed together to determine the total fee paid per transaction. Amounts are normalized by decimal precision.
- **Key fields**: `transaction_fee`, `transaction_tip`

### Component B: NeuroWeb EVM transaction fees

- **Purpose**: Calculates net transaction fees from NeuroWeb EVM operations
- **Logic**: `Withdraw` and `Deposit` events from the `balances` pallet are processed where they are associated with the `ethereum` pallet. Withdrawals are treated as positive fees, while deposits are treated as negative fees (refunds). Signer addresses are verified using `Executed` events from the `ethereum` pallet and cross-referenced with account mapping data to ensure proper attribution. Fees are aggregated per extrinsic and normalized by decimal precision.
- **Key fields**: `transaction_fee`, `signer_address`

### Component C: Total fees (revenue)
- **Purpose**: Combines Layer 1 and NeuroWeb EVM fees to calculate total protocol revenue
- **Logic**: Layer 1 and NeuroWeb EVM fee datasets are combined. Because supply-side fees are set to zero for the protocol, total fees collected are equivalent to protocol revenue.

### Component D: Block rewards (expenses)
- **Purpose**: Captures token issuance costs for block production rewards
- **Logic**: Token issuance amounts are extracted from `Issued` events in the `balances` pallet. These represent rewards paid to validators for block production and are classified as the protocol's expenses. Amounts are normalized by decimal precision.

### Component E: USD conversion and aggregation

- **Purpose**: Normalizes all values to USD and calculates final earnings
- **Logic**: All native token amounts are converted to USD using end-of-day price feeds. Daily earnings are calculated as the difference between daily revenue and daily expenses. Data is aggregated to daily boundaries using UTC timestamps, with missing dates filled with zero values. The final dataset is filtered to include only data up to September 24, 2026.

*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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