Validators process transactions and receive fees from users (supply-side fees).

Sui is a smart contract platform for decentralized applications (a blockchain). Sui was founded by Evan Cheng, Sam Blackshear, Adeniyi Abiodun, George Danezis and launched in 2022.

Sui (Mysten Labs) team & investors own and govern the protocol. They currently don’t take a cut of the total transaction fees paid by users (revenue). Sui's investors include a16z, Coinbase Ventures, Electric Capital, etc.

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# Sui Median transaction fee Methodology

## 1. Overview

Median transaction fee measures the median fee paid across all transactions on the Sui network. It shows what a typical user pays, without being skewed by very high or low values. This metric provides insight into the cost efficiency of the network by identifying the midpoint of the fee distribution for both successful and failed transactions.

## 2. Data sources

- **Blockchain events**: Transaction data from the Sui network
- **External data**: End-of-day price feeds for the native SUI asset

## 3. Step-by-step calculation

### Component A: Transaction fee extraction and normalization

- **Purpose**: Retrieve and standardize transaction costs from the network.
- **Logic**: Transaction records are parsed to calculate the non-refundable protocol fee, which is defined as the sum of the `computation_cost` and 1% of the `storage_cost`. The remaining 99% of storage costs are excluded from the calculation as they are rebatable upon object deletion and classified as liabilities rather than protocol revenue. These values are extracted in MIST and are normalized by decimal precision to the native SUI asset. Both successful and failed transactions are included in this process as gas costs are incurred in both scenarios.
- **Key fields**: `computation_cost` (raw computation fee), `storage_cost` (raw storage fee), `block_timestamp` (timing).

### Component B: Median fee calculation

- **Purpose**: Identify the daily midpoint of the transaction fee distribution.
- **Logic**: Individual transaction fees are grouped by day. The 50th percentile of the fee distribution is calculated for all transactions within each 24-hour UTC window. This statistical approach ensures that the resulting value represents a typical transaction cost and remains unaffected by outliers or extreme fee spikes.

### Component C: USD conversion and aggregation

- **Purpose**: Normalize median values to USD for cross-asset comparison.
- **Logic**: The daily median fee values are multiplied by end-of-day price feeds for the native SUI asset. Final values are aggregated with daily granularity using UTC day boundaries.

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

SuiSUI

Median transaction fee

Median transaction fee

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