The Autonomous Verifiable Service (AVS) of Zex is designed to function similarly to a centralized exchange (CEX), incorporating components such as a matching engine and order books. However, key modifications have been made to enhance decentralization and security:
Integration of the Zellular Sequencer Component: This addition ensures the proper sequencing of transactions across the network.
Inclusion of the FROST Verifier Component: This component facilitates secure and efficient threshold signatures.
Removal of On-Chain Interaction Modules: Components responsible for on-chain interactions, such as the deposit handler and withdrawal manager, have been omitted to streamline operations.
The algorithm is designed for issuing Threshold Signature Schemes (TSS) in a distributed manner. It ensures secure, efficient, and decentralized signing processes, which are crucial for the Zex AVS. To implement FROST, we use , a Python library that simplifies and optimizes the process of generating threshold signatures. For more details about FROST and its applications, you can refer to the .
The Zellular Sequencer Component is a core part of the Zex AVS architecture. It is responsible for sending unsequenced transactions to the Master Sequencer, which orders them in a consistent and deterministic manner. Once sequenced, the ordered transactions are sent back to the Zellular Sequencer Component, which passes them to the matching engine for execution. This process ensures synchronization across the network and preserves the decentralized nature of the exchange. More details about the role of the Zellular Sequencer can be found in the of the documentation.
On-chain interactions are crucial for ensuring a secure and sufficiently decentralized exchange. To achieve this, we have developed a module called ZexProta to handle all on-chain interactions effectively. Meanwhile, the remaining off-chain functionalities of our platform are managed by a module named ZexCora, which, as mentioned, operates similarly to a centralized exchange (CEX). Before diving into the specifics of ZexProta, it is important to first understand the high-level architecture of PyFrost. We will explore this topic in greater detail in the .
