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

Mythos is a specialized gaming blockchain powered by Polkadot Relay chain.

MYTH holders own and govern the protocol.

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Mythos

# Mythos Average transaction fee Methodology

## 1. Overview

The average transaction fee metric measures the mean cost per transaction on the Mythos blockchain, calculated by dividing total daily transaction fees by the number of transactions executed that day. This metric provides insights into network usage costs and includes fees from base blockchain operations as well as application-specific trading activities on the Mythos ecosystem's marketplace and DMarket platforms.

## 2. Data sources

The calculation relies on several types of raw blockchain and external data:
- **Mythos blockchain event logs**: Event data capturing `TransactionFeePaid` events for base network fees, `OrderExecuted` events from the marketplace pallet for NFT trading fees, and `Trade` events from the dmarket pallet for game asset trading fees
- **Mythos blockchain transaction records**: Extrinsic (transaction) data containing unique transaction identifiers and timestamps for counting total daily transactions
- **End-of-day price feeds**: MYTH token price data from CoinGecko for converting native token amounts to USD values
- **Chain availability data**: Configuration data used to filter results based on data completeness and quality standards

## 3. Step-by-step calculation

### Component A: Base blockchain fee collection
- **Purpose**: Extracts and aggregates network transaction fees paid for basic blockchain operations
- **Logic**: Processes `TransactionFeePaid` events from Mythos event logs, extracting the `amount` and `tip` fields from the event data. Both fee components are converted from the native 18-decimal format to MYTH tokens by dividing by 1e18. Daily totals are calculated by summing all base fees for each day, then converted to USD using end-of-day MYTH price data from CoinGecko
- **Key fields**: `amount` (base transaction fee), `tip` (optional tip to validators), `block_timestamp` for daily grouping

### Component B: Marketplace trading fee collection  
- **Purpose**: Captures fees generated from NFT and asset trading on the Mythos marketplace
- **Logic**: Processes `OrderExecuted` events from the marketplace pallet, extracting `buyer_fee` and `seller_fee` fields. Both fee components are converted from 18-decimal format to MYTH tokens, then summed together for each transaction. Daily totals are aggregated and converted to USD using end-of-day MYTH prices
- **Key fields**: `buyer_fee` and `seller_fee` (trading fees paid by each party), `collection` and `item` (traded assets), `price` (transaction value)

### Component C: DMarket trading fee collection
- **Purpose**: Captures fees from game asset trading on the DMarket platform
- **Logic**: Processes `Trade` events from the dmarket pallet, extracting the `fee` field representing trading fees. Fees are converted from 18-decimal format to MYTH tokens, aggregated daily, and converted to USD using end-of-day MYTH prices
- **Key fields**: `fee` (trading fee amount), `buyer` and `seller` (trading parties), `item` and `price` (traded asset details)

### Component D: Transaction count calculation
- **Purpose**: Counts the total number of unique transactions executed each day on Mythos
- **Logic**: Processes extrinsic records from the Mythos blockchain, counting distinct `extrinsic_id` values per day. Each extrinsic represents one transaction, regardless of its complexity or the number of operations it contains
- **Key fields**: `extrinsic_id` (unique transaction identifier), `block_timestamp` for daily grouping

### Final aggregation
- **Combining components**: All three fee components (base blockchain fees, marketplace fees, and DMarket fees) are summed together to create total daily fee amounts in USD. This total represents all fees paid across the Mythos ecosystem for that day
- **Currency conversion**: All native MYTH token amounts are converted to USD using end-of-day price data from CoinGecko, applied at the daily aggregation level to ensure consistent pricing
- **Time aggregation**: All data is truncated to daily boundaries using the `block_timestamp` field, ensuring consistent time-based grouping across all components
- **Final calculation**: The average transaction fee is calculated by dividing the total daily fees in USD by the total daily transaction count using a safe division function that returns null for days with zero transactions. The result represents the mean fee paid per transaction in USD for each day

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

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