# QRL Weekly, 2023-June-20

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Published: 2023-06-20
Updated: 2023-06-20



Author: The QRL Core Contributors
















Weekly Dev Snapshot 📸 👇 QRL Token Indexer indexes all tokens into MongoDB from the Python based QRL blockchain and keeps track of token holders and all transactions associated with a token. Built MongoDB database model for the QRL Token Indexer. Added automatic collection creation code with field indexing in Go based QRL Token Indexer. Added fork recovery / chain reorg handling code in QRL Token Indexer. Quantum News