Liquidity providers deposit funds into Uniswap and receive trading fees from traders (supply-side fees).

Uniswap is a non-custodial exchange protocol built on Ethereum. Uniswap was founded by Hayden Adams and launched in 2018.

UNI tokenholders own and govern the protocol. They do not currently take a cut of the total trading fees paid by traders (revenue). Uniswap's investors include Paradigm, a16z, USV, etc.

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Uniswap

# Uniswap Median transaction fee Methodology

## 1. Overview

Median transaction fee is measured as the median fee paid across all transactions on Unichain for Uniswap. The typical cost paid by a user is represented by this metric, where skewing by exceptionally high or low fee values is prevented. Transaction fees on Unichain are calculated by combining L2 execution costs and L1 security fees. These values are normalized to USD using end-of-day price feeds for the native asset to facilitate historical analysis of transaction cost trends.

## 2. Data sources

- **Blockchain events**: Transaction execution data, including gas usage and gas price parameters, from Unichain transactions, covering Unichain
- **External data**: End-of-day price feeds for the native gas asset (ETH)

## 3. Step-by-step calculation

### Component A: Transaction fee extraction

- **Purpose**: Extract and calculate the total fee for each transaction on Unichain
- **Logic**: Transaction data is retrieved from Unichain. For each transaction, the L2 execution fee is calculated by multiplying the gas used by the gas price. The L1 security fee is calculated by multiplying the L1 gas used, the L1 gas price, and the L1 fee scalar. Both fee components are normalized by decimal precision and summed to determine the total transaction fee in the native asset.
- **Key fields**: `gas_used`, `gas_price`, `l1_gas_used`, `l1_gas_price`, `l1_fee_scalar`

### Component B: Median fee calculation

- **Purpose**: Calculate the daily median transaction fee
- **Logic**: Transactions are grouped by day based on the block timestamp. The median transaction fee is calculated for each day by taking the 50th percentile of all transaction fees calculated in Component A.
- **Key fields**: `block_timestamp`, `fee_amount`

### Component C: USD conversion and aggregation

- **Purpose**: Convert the median transaction fee to USD
- **Logic**: The daily median transaction fee is multiplied by the end-of-day price of the native asset to convert the value to USD. The final metric is aggregated and formatted with daily granularity.
- **Key fields**: `transaction_fee_median`, `price_usd`

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

UniswapUNI

Median transaction fee

Median transaction fee

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