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Blockchains (L2)

Karak

# Karak Bridge deposits Methodology

## 1. Overview

The Karak bridge deposits metric measures the total USD value of tokens held in Karak's designated bridge addresses on Ethereum. This metric tracks the amount of value locked in the protocol's bridging infrastructure, providing insight into the scale of assets being bridged through Karak's cross-chain infrastructure. The calculation identifies specific bridge contract addresses and sums the USD value of all tokens held at these addresses at the end of each day.

## 2. Data sources

- **Ethereum token balances**: Daily token balance snapshots for specific bridge addresses, derived from parsed `Transfer` events and transaction traces
- **End-of-day price feeds**: Token price data in USD for converting token amounts to dollar values
- **Token metadata**: Contract addresses, decimal precision, and symbol information for proper token handling
- **Chain availability data**: Information about Ethereum network operational status for data quality filtering

## 3. Step-by-step calculation

### Component A: Portfolio balance calculation
- **Purpose**: Calculate the USD value of all tokens held at Karak's bridge addresses
- **Logic**: Uses the portfolio calculation framework to determine balances for two specific Ethereum addresses (`0xeece9cd7abd1cc84d9dfc7493e7e68079e47ea73` and `0xba61f25dd9f2d5f02d01b1c2c1c5f0b14c4b48a3`). For each address, the system identifies all token types held, calculates the current balance of each token, converts amounts to USD using end-of-day prices, and accounts for token decimal precision
- **Key fields**: Address-specific token `balance` amounts, USD conversion rates, token contract addresses and decimal specifications

### Component B: Business metadata enrichment
- **Purpose**: Add contextual business information and aggregate balances
- **Logic**: Takes the portfolio balance data and adds standardized business categorization fields. Sets the market sector as `blockchains_l2` to categorize this as layer 2 blockchain infrastructure, assigns business segment as `blockchain`, and leaves product ID as null since this represents protocol-level infrastructure rather than a specific product. Aggregates all token balances across both bridge addresses to create a single `bridge_deposits` value
- **Key fields**: `timestamp`, `timestamp_grain` for temporal structure, `chain_id` for Ethereum, `market_sector_id`, `business_segment_id`, and aggregated `balance` sum

### Final aggregation
- **Combining components**: Sums all USD-converted token balances across both designated bridge addresses to create the total bridge deposits metric
- **Currency conversion**: All token amounts are converted to USD using end-of-day price feeds, with proper handling of token decimal precision
- **Time aggregation**: Data is structured with daily timestamp boundaries using timestamp grain functionality
- **Final calculation**: The final `bridge_deposits` value represents the total USD value of all tokens held across Karak's bridge addresses, with forward-filling applied to handle any missing daily data points and chain availability filtering to ensure data quality during network operational periods

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

Value of assets held in a project's bridge contracts.

Karak

Bridge deposits

Bridge deposits

Competitive landscape

Chain breakdown