Hashflow has rolled out its Exchange OS, allowing users to validate their transactions on the blockchain directly.
In Brief
In a remarkable development, Hashflow has launched its Exchange OS — a cutting-edge ZK settlement layer built on Risc Zero’s ZK prover technologies and Celestia, enabling the proof of off-chain transactions on the blockchain.

The multichain decentralized exchange (DEX) has introduced its Exchange OS (xOS), a groundbreaking zero-knowledge (ZK) settlement layer designed to ensure that all exchanges are verifiable. Hashflow This layer leverages advanced technology to provide proof of off-chain activities directly on the blockchain. Risc Zero 's ZK prover combined with Celestia Celestia plays a crucial role by ensuring all necessary data for verifying trades is available, while RISC Zero delivers the computational resources needed to generate ZK proofs. Hashflow aims to include more ZK provers and data availability solutions in the near future, offering developers greater freedom and minimizing user expenses.
Hashflow highlights that the current design of exchanges tends to centralize risk, necessitating user trust in platforms without facilitating independent verification of their practices. Provable exchanges aim to tackle this challenge by decoupling the settlement layer from service functionalities.
By implementing this approach, exchange operators enhance user experiences while allowing for independent validation of crucial exchange processes. This method could potentially avoid incidents similar to the FTX exchange failure experienced in 2022.
Introducing Exchange OS (xOS), the revolutionary zero-knowledge settlement layer that renders any exchange verifiable.
Moreover, xOS fosters a culture of transparency, enabling users to verify that the exchange holds the assets it claims. The architecture of xOS is designed to facilitate a high-performance trading environment reminiscent of traditional order-book exchanges — quick, responsive, and scalable.
Hashflow, in partnership with Barter, has enhanced its liquidity sourcing capabilities through the launch of Aggregator+, aimed at tapping into liquidity from prominent DEXs.
This DEX facilitates trading across various leading blockchains such as Ethereum, Arbitrum, and Solana, all without necessitating bridging. It utilizes an off-chain Request for Quote (RFQ) system to present the best pricing directly from professional market makers. If favorable quotes emerge on-chain, Hashflow will execute trades at those prices automatically.
Hashflow Recently, the platform launched Aggregator+, boosting its capacity to source liquidity from top decentralized exchanges within the DeFi arena.
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