# Understanding Actively Validated Services (AVSs) in DeFi

**Published by:** [Ese Monday](https://paragraph.com/@esemonday-2/)
**Published on:** 2024-06-15
**URL:** https://paragraph.com/@esemonday-2/understanding-actively-validated-services-avss-in-defi

## Content

What are AVSs? Actively Validated Services (AVSs) are a key innovation in the DeFi (Decentralized Finance) space. Unlike traditional blockchain validation methods, AVSs are independent systems within a blockchain ecosystem that perform their own validation for specific functionalities. These functionalities can include: Sidechains: Scaling solutions that run alongside the main blockchain for faster transactions. Data Availability Layers: Storing and guaranteeing the availability of off-chain data used by DeFi applications. New Virtual Machines: Enabling the execution of smart contracts written in different languages. Keeper Networks: Ensuring automated tasks are executed within DeFi protocols. Oracle Networks: Providing reliable and secure external data feeds to DeFi applications. Bridges: Facilitating communication and asset transfers between different blockchains. How AVSs Function: Each AVS operates with its own consensus mechanism, independent of the main blockchain. This allows for greater flexibility and customization compared to the traditional Proof-of-Work (PoW) or Proof-of-Stake (PoS) validation methods. Here's a simplified breakdown: Transactions Submitted: Users interact with DeFi applications, triggering transactions that involve AVSs. AVS Validation: The AVS utilizes its own consensus mechanism to validate the transaction's legitimacy within its specific functionality. Results Reported: The AVS reports the validation results to the main blockchain. Blockchain Update: Based on the AVS report and depending on the specific blockchain protocol, the main chain updates its state accordingly. Advantages of AVSs over Traditional Validation: Scalability: AVSs can offload validation tasks from the main blockchain, improving transaction throughput and reducing congestion. Flexibility: Different AVSs can cater to specific functionalities, allowing for more innovative and tailored DeFi applications. Security: By using diverse consensus mechanisms, AVSs can potentially decrease the risk of a single point of failure in the validation process. Efficiency: AVSs can potentially achieve faster validation times compared to traditional methods. Real-World Use Cases of AVSs in DeFi: dYdX (Margin Trading): Utilizes an AVS called StarkNet, a scalable rollup solution, for faster and cheaper margin trading transactions. Chainlink (Oracle Network): Acts as an AVS by providing secure and decentralized Oracle services for reliable data feeds in DeFi applications. UMA (Synthetic Assets): Leverages Optimism, another scalable rollup solution as an AVS, for efficient creation and trading of synthetic assets. Why AVSs are Crucial for Secure and Reliable DeFi Applications: Improved Scalability: AVSs can handle higher transaction volumes, enabling DeFi applications to serve a wider user base. Enhanced Security: By distributing validation across different AVSs, DeFi becomes less susceptible to single points of attack. Greater Innovation: AVSs pave the way for the development of more complex and feature-rich DeFi applications. Increased Efficiency: Faster validation times through AVSs lead to a smoother user experience for DeFi interactions. In conclusion, AVSs represent a significant advancement in the DeFi landscape. They offer a path towards scalability, enhanced security, and the creation of a more versatile and robust DeFi ecosystem. As the technology matures and adoption grows, AVSs have the potential to unlock the full potential of decentralized finance.

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