# Indexer

The Indexer is an offchain service that continuously monitors blockchain activity relevant to the SolvBTC protocol.

#### Bitcoin Network Monitoring

* Scans the Bitcoin blockchain
* Detects transactions sent to Vault Pool addresses
* Tracks confirmation counts and records final confirmation states

#### EVM Chain Monitoring

* Monitors Mint and Burn contract events
* Extracts transaction hashes, amounts, and user addresses

#### Data Processing and Request Assembly

* Validates transaction formats and parameter completeness
* Assembles standardized Mint and Burn requests
* Submits standardized requests into the approval workflow
* Coordinates request readiness for subsequent execution

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