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Blockchains (L1)

XDC Network

# XDC Network Fees Methodology

## 1. Overview

The XDC fees metric measures the total transaction fees paid on the XDC blockchain on a daily basis, expressed in USD. This metric represents the revenue generated by the XDC network from processing transactions and provides insight into network activity and usage. The calculation aggregates gas fees from all transactions executed on the XDC blockchain, converts them from native XDC tokens to USD using end-of-day price feeds, and presents the data as a daily time series.

## 2. Data sources

- **XDC blockchain transaction records**: Raw transaction data from the XDC blockchain including gas usage metrics, gas prices, transaction hashes, sender and receiver addresses, and block timestamps
- **End-of-day token price feeds**: XDC token price data used to convert native token fees to USD values
- **XDC token metadata**: Token contract address (`0x951857744785e80e2de051c32ee7b25f9c458c42`) and symbol information for the native XDC token

## 3. Step-by-step calculation

### Component A: Transaction data extraction
- **Purpose**: Extract and standardize raw transaction data from the XDC blockchain
- **Logic**: The system processes XDC blockchain transaction records, extracting key fields including block timestamps, transaction hashes, sender and receiver addresses, gas usage amounts, and gas prices. All addresses and transaction identifiers are cast as strings, while gas metrics are cast as big numeric values to handle large numbers. The native XDC token address and symbol are added to each transaction record for downstream processing.
- **Key fields**: `block_timestamp`, `transaction_hash`, `from_address`, `to_address`, `gas_used`, `gas_price`, `token_address`, `token_symbol`

### Component B: Daily gas fee calculation
- **Purpose**: Calculate total daily gas fees paid on the XDC network in native XDC tokens
- **Logic**: Transaction data is aggregated to daily boundaries by truncating block timestamps to day granularity. For each day, the system calculates total gas fees using the standard Ethereum-style formula: gas used multiplied by gas price. The result is divided by 1e18 to convert from wei (smallest unit) to full XDC tokens. Fees are summed across all transactions for each day, grouped by date, token address, and chain identifier.
- **Key fields**: `timestamp` (daily), `l1_gas_fee` (sum of daily fees in XDC tokens), `token_address`, `chain`

### Component B: USD conversion and standardization
- **Purpose**: Convert XDC-denominated fees to USD and apply standard metric formatting
- **Logic**: Daily gas fees in native XDC tokens are converted to USD using end-of-day price feeds through Token Terminal's currency conversion system. The conversion process matches XDC token prices to the corresponding dates and applies the exchange rate to calculate USD-equivalent values. The data is then standardized with consistent business classification labels including market sector identification as 'blockchains_l1' and business segment as 'blockchain'. Chain identifier is standardized to 'xdc'.
- **Key fields**: `fees` (USD-converted values), `timestamp_grain` (set to 'day'), `market_sector_id`, `business_segment_id`, `chain_id`

### Final aggregation
- **Combining components**: The USD-converted fee data flows directly into the final metric model without additional aggregation since fees are already summed by day
- **Currency conversion**: XDC-denominated fees are converted to USD using end-of-day price feeds, with the conversion applied after daily aggregation to ensure accuracy
- **Time aggregation**: Data is aggregated to daily boundaries using day-truncated timestamps, creating a complete daily time series
- **Final calculation**: The final metric value represents the total USD value of all transaction fees paid on the XDC blockchain for each day, calculated as the sum of (gas_used × gas_price ÷ 1e18) × XDC_price_USD for all transactions in that day. Missing days are filled with zero values to ensure a continuous time series, and chain availability filters are applied to exclude periods with known data quality issues.

*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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