# BNB Chain Transaction count Methodology

## 1. Overview

The BSC transaction count metric measures daily transaction volume across the BNB Smart Chain ecosystem, including both BSC Layer 1 and opBNB Layer 2. This metric quantifies network activity by counting unique transactions per day, categorized by destination contract to understand usage patterns across different types of applications and services. The calculation aggregates distinct transaction hashes on a daily basis, providing insights into network adoption and activity trends.

## 2. Data sources

- **BSC blockchain transaction records**: Raw transaction data from BNB Smart Chain including transaction hashes, block timestamps, sender and recipient addresses, and gas usage information
- **opBNB L2 transaction records**: Transaction data from opBNB Layer 2 network with transaction hashes, timestamps, addresses, and gas metrics including L1 gas usage and fees
- **BSC account labels database**: Curated database of BSC contract addresses with human-readable names and categorizations for better transaction classification

## 3. Step-by-step calculation

### Component A: BSC L1 transaction aggregation
- **Purpose**: Aggregates daily transaction counts for BNB Smart Chain Layer 1
- **Logic**: Extracts transaction records from BSC blockchain data, truncating block timestamps to daily boundaries. Groups transactions by day and destination address (`to_address`), counting distinct transaction hashes to avoid double-counting. Assigns chain-specific metadata including `bsc` as chain identifier and `blockchains_l1` as market sector classification.
- **Key fields**: `block_timestamp` (truncated to day), `transaction_hash` (for distinct counting), `to_address` (destination contract), `transaction_count` (distinct hash count)

### Component B: opBNB L2 transaction aggregation  
- **Purpose**: Aggregates daily transaction counts for opBNB Layer 2 network
- **Logic**: Processes opBNB transaction data with the same daily truncation and distinct counting approach as BSC L1. Groups by day and destination address, applying Layer 2 specific classifications with `opbnb` as chain identifier and `blockchains_l2` as market sector. Union operation combines this data with BSC L1 transactions.
- **Key fields**: `block_timestamp` (truncated to day), `transaction_hash` (for distinct counting), `to_address` (destination contract), `transaction_count` (distinct hash count)

### Component C: Contract labeling enrichment
- **Purpose**: Enhances transaction data with human-readable contract names and categorizations
- **Logic**: Left joins the aggregated transaction data with the BSC account labels database using destination addresses as the join key. When labels are available, uses the contract title; otherwise defaults to 'Unlabeled' for unknown or unlabeled addresses. This enrichment enables better categorization and analysis of transaction patterns by contract type.
- **Key fields**: `contract_name` (from account labels or 'Unlabeled'), `account_address` (join key), `title` (contract name from labels)

### Final aggregation
- **Combining components**: Union operation merges BSC L1 and opBNB L2 transaction counts into a single dataset, maintaining separate chain identifications and sector classifications
- **Time aggregation**: Daily boundaries are established by truncating block timestamps to day level, ensuring consistent time-based grouping across both chains
- **Schema standardization**: Applies the `finalize_metric_transaction_count` macro which standardizes column schemas, validates data completeness, and implements a zero-filling strategy for dates with no transactions
- **Final calculation**: The metric represents the count of distinct transaction hashes per day, per destination address, per chain, enriched with contract labels and standardized according to Token Terminal's metric schema requirements

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

Confirmed transactions added to the blockchain.

Transaction count

BNB Chain

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

BNB Chain is a smart contract platform for decentralized applications (a blockchain). BNB Chain was founded by Changpeng Zhao and launched in 2020.

BNB holders own and govern the protocol. They currently take a cut of the total transaction fees paid by users (revenue).

BNB ChainBNB

Transaction count

Transaction count

Competitive landscape

Chain breakdown