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 Network Total value locked Methodology

## 1. Overview

Total value locked (TVL) measures the cumulative value of assets deposited as collateral on Katana Network. The cumulative net deposits of collateral held by the Exchange contracts for Katana Perps are tracked to determine the total locked value. This metric is utilized as a leading indicator of the liquidity and margin available to support trading activity on the platform.

## 2. Data sources

- **Blockchain events**: `Deposited` and `Withdrawn` events from `Exchange` contracts (V1 and V2), covering Katana Chain

## 3. Step-by-step calculation

### Component A: Katana Perps collateral flow extraction

- **Purpose**: Extract deposit and withdrawal events to determine individual collateral flows.
- **Logic**: `Deposited` and `Withdrawn` events are parsed from V1 and V2 `Exchange` contracts. For deposits, the `quantity` field is extracted as a positive value. For withdrawals, the `quantity` field is extracted as a negative value. All quantities are normalized by decimal precision to represent the USD value of the collateral.
- **Key fields**: `quantity` (collateral amount), `wallet` (user address), `exchange_address` (contract address)

### Component B: Katana Perps daily net flow aggregation

- **Purpose**: Aggregate the daily net collateral flows for Katana Perps.
- **Logic**: The normalized quantities from deposits and withdrawals are summed on a daily basis to calculate the daily net flow. This aggregation is grouped by day, chain, and product.
- **Key fields**: `block_timestamp` (timing), `quantity_usd` (normalized flow amount)

### Component C: Katana Perps cumulative net deposits and TVL calculation

- **Purpose**: Calculate the running total of collateral locked in the protocol.
- **Logic**: A cumulative sum of the daily net flows is calculated over time to determine the total net deposits. Prior balances are carried forward on days with no transaction activity to maintain a continuous cumulative balance. This cumulative net deposit value is designated as the total value locked (TVL) for Katana Perps.
- **Key fields**: `daily_net_flow` (daily net flow), `net_deposits` (cumulative balance)

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

Total value locked (TVL)

Total value locked (TVL) — value deposited into the project's applications.

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Total value locked

Total value locked

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