The network uses pessimistic proofs via the AgglayerGateway for settlement on Ethereum, with vault bridges for cross-chain asset transfers.

Katana Network provides a scalable execution environment connected to Ethereum through the Agglayer interoperability layer.

Katana Network is a Layer 2 blockchain built on the Agglayer ecosystem.

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Blockchains (L2)

Katana

# Katana Average revenue per user (ARPU) Methodology

## 1. Overview

The daily revenue generated per active user (daily) across the Katana ecosystem is measured by Average revenue per user (ARPU). This metric is calculated by dividing the total daily revenue by the number of active users (daily). The monetization efficiency of individual users on a daily basis is reflected by this ratio. Revenue and user activity from Katana Chain, Katana Perps, Katana Vault Bridge, Katana AUSD Yield, and vKAT are captured to provide a comprehensive view of ecosystem performance.

## 2. Data sources

- **Revenue**: Derived from the Revenue metric
- **Active users (daily)**: Derived from the Active users (daily) metric

## 3. Step-by-step calculation

### Component A: Katana Chain revenue and active user tracking

- **Purpose**: Daily revenue and active user counts from Katana Chain are quantified.
- **Logic**: Gas fees from Katana Chain transactions are aggregated daily. These fees are comprised of L2 execution fees, L1 settlement fees, and Isthmus operator fees, which are normalized by decimal precision and converted to USD using end-of-day price feeds. Active users (daily) for Katana Chain are determined by counting unique transaction senders within each 24-hour UTC window.
- **Key fields**: `gas_used`, `gas_price`, `l1_fee`, `operator_fee_constant`, `operator_fee_scalar`, `from_address`

### Component B: Katana Perps revenue and active user tracking

- **Purpose**: Daily revenue and active user counts from Katana Perps are quantified.
- **Logic**: Trading fees, consisting of maker and taker fees, are extracted from `TradeExecuted` events emitted by `Exchange` contracts across V1 and V2. These fees are denominated in USD and aggregated daily. Active users (daily) for Katana Perps are determined by identifying unique wallet addresses recorded as either buyers or sellers in executed trades within each 24-hour UTC window.
- **Key fields**: `maker_fee_usd`, `taker_fee_usd`, `buyer_address`, `seller_address`

### Component C: Yield and staking revenue tracking

- **Purpose**: Revenue from Katana Vault Bridge, Katana AUSD Yield, and vKAT is quantified.
- **Logic**: Yield collected from `YieldCollected` events emitted by Katana Vault Bridge contracts (including `vbUSDC`, `vbUSDT`, `vbETH`, `vbWBTC`, and `vbUSDS`) is tracked and normalized to the underlying assets. Inflows of AUSD to the Katana-controlled Safe representing Agora's T-bill yield share are captured from transfer events. Early-exit fees from `Exit` events emitted by `DynamicExitQueue` contracts during vKAT lock withdrawals and third-party voting incentives from `NewCampaign` events emitted by `DistributionCreator` contracts (excluding campaigns funded by Katana DAO or its yield Safe) are extracted. All collected yield, fees, and incentives are normalized by decimal precision, converted to USD using end-of-day price feeds, and aggregated daily.
- **Key fields**: `amount`, `token_address`, `reward_amount`

### Component D: Average revenue per user calculation

- **Purpose**: The final average revenue per user metric is calculated.
- **Logic**: Total daily revenue is calculated by summing the USD-denominated revenue from Katana Chain, Katana Perps, Katana Vault Bridge, Katana AUSD Yield, and vKAT. Total active users (daily) are determined by aggregating unique active users across the ecosystem, with duplicates resolved at the project level. Finally, average revenue per user is calculated by dividing the total daily revenue by the active users (daily) for each 24-hour UTC window. Missing days are filled with zeros.
- **Key fields**: `revenue`, `user_dau`, `arpu`

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

KatanaKAT

Average revenue per user (ARPU)

Average revenue per user (ARPU)

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