# 5.1 Current State on Ethereum Compliance

* #### **Compliance & Limitations**

  * **Compliance:** $NANO tokens are initially deployed on Ethereum, adhering to the **ERC-20** standard for compatibility and security.
  * **Limitations:** High **gas fees, network congestion, and slow transaction speeds** posed significant challenges, limiting scalability and mainstream adoption.

  These factors highlighted the need for **Nanora’s transition** to a more efficient blockchain infrastructure.
