# Key Takeaways: Transaction Merkle Trees

**Transaction Merkle Trees** are the foundation of BSV’s ability to verify not just payments, but also data integrity and smart contract logic.

They ensure that:

* Every transaction is **uniquely verifiable**.
* The **ordering** of transactions is preserved and provable.
* Embedded data and scripts can be **trusted** as authentic.
* Network consensus maintains a **unified, tamper-proof ledger**.


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