By utilizing zero-knowledge proofs, Boundless enables blockchains to verify the correctness of calculations without the need for re-execution. This ground-breaking feature, known as verifiable computing, allows actions performed by a single node in a network to be validated inexpensively by each node.

Zypher Network is a ZK computing Layer for Trustless AI Agents. Its middleware solutions (Proof of Prompt, Proof of Inference) guarantee AI agent data consistency & integrity without public knowledge. With a ZK-driven application infrastructure, Zypher is delivering secure, autonomous mission-critical and financially sensitive on-chain operations for human and AI agents.

Lagrange is a Zero-Knowledge Coprocessing protocol that enables verifiable computations at big data scale across various blockchains. Its unique ZK Coprocessing approach involves a decentralized network of nodes that execute computations off-chain and generate ZK proofs of the results to submit on-chain, in a hyper-parallel manner, thereby unlocking significant efficiency and cost gains. By providing hyper-scalable proving, Lagrange opens the door for innovations in cross-chain interoperability and applications requiring complex computations over big data.

Cysic is a ZK-hardware acceleration project dedicated to designing advanced ASIC chips to reduce the time needed to generate ZK proofs for zk-based systems.

Hyli is the new proof-powered L1 to build the next generation of apps onchain. It runs complex logic off-chain, submit a proof, and will verify it natively before settling onchain.

Nexus Network is a massively-parallelized proof mining network. It is a world-scale instantiation of the Nexus zkVM, designed to run at a trillion CPU cycles per second, given enough computing power connected to it. The Nexus zkVM (zero-knowledge virtual machine) is a modular, extensible, open-source, highly-parallelized, prover-optimized, contributor-friendly, zkVM written in Rust, focused on performance and security.

Privacy Pool is a protocol that enables anonymous transactions on Ether. It uses zero-knowledge proofs to segregate illicit funds, allowing users to prove compliance without revealing their identity.

StarkNet is a permissionless, decentralized Validity-Rollup (also known as a "ZK-Rollup"). It operates as an L2 network over Ethereum, enabling any dApp to achieve unlimited scalability for its computations without compromising Ethereum's composability and security. This is possible due to StarkNet's reliance on the safest and most scalable cryptographic proof system: STARK.

Espresso is a global confirmation layer that provides L2 chains with fast, reliable transaction confirmations backed by BFT consensus. Espresso's confirmation layer can prevent sequencer equivocation, protect against reorgs, and reduce finality risk for solvers in intent-based systems. Its versatility means chains can also use it as a decentralized sequencer and low-cost data availability layer.

RISC Zero is building a next-generation, scalable blockchain using zero-knowledge proof technology and RISC-V zkVM. Developers familiar with programming in Rust, Go, C++, and other standard programming languages can write on-chain decentralized applications.

Fiamma is a verification network that specializes in zero-knowledge (ZK) proofs, striving to provide a secure, decentralized, and economically efficient solution for universal blockchain integration. At its heart, Fiamma is engineered to leverage the robust cryptoeconomic and network security value of Bitcoin via the integration with Babylon and implementation of BitVM2. This combination enables Fiamma to introduce ZK capabilities into the Bitcoin ecosystem and secure ZK use cases in Ethereum and beyond, enhancing the scope and effectiveness of ZK technology.

Nockchain is a proof-of-useful-work blockchain that sits atop novel ZKVM. Leveraging the beautiful simplicity of Nock, It built the first combinator-based virtual machine that can be efficiently used with Zero-Knowledge Proofs. Nockchain is a high-throughput chain that provides proofs of computation, storage, and a new namespace.

Linea is a layer2 Zero Knowledge Ethereum Virtual Machine (zkEVM). It replicates the Ethereum environment as a rollup, allowing developers to build on it as they would on Ethereum mainnet. This provides users with the same experience and security guarantees of Ethereum, but with reduced transaction costs.

InfinityVM is the execution architecture that natively integrates offchain compute. Compute can run offchain and IVM ensures that only honest results are included. IVM enables applications to practically use ZK without constraints, allowing for results to be used instantly.

Sophon is an entertainment-focused ecosystem built as a modular rollup leveraging zkSync’s ZK Stack technology. As a ZK chain leveraging the ZK Stack, Sophon is intended to be tailored for any high throughput applications such as artificial intelligence and gaming.

Psy Protocol is Bitcoin’s native execution layer, designed to address the challenges of Web3 development. The horizontally scalable, secure, and user-friendly platform is built for developers and users alike, supporting a wide range of applications from DeFi to NFTs and beyond. Decentralized applications built on Psy Protocol can locally prove transactions, providing users with unlimited computation for a fixed gas fee. This innovative method ensures that every user’s public key functions as a custom ZK circuit, featuring ‘smart signatures’ that can be read from state, resembling a smart contract.

Orbiter Finance is a decentralized cross-rollup bridge for transferring Ethereum native assets, providing the infrastructure for Layer 2.In Orbiter Finance, there are two roles they are Sender and Maker. When the Sender initiates a transfer, the Maker provides liquidity for it. The smart contract ensures the security of this process. If the Maker does bad behaviors and the transfer fails, the Sender can initiate an arbitration request to the contract with Maker’s margin and then get the excess compensation.

ZisK is an open-source zero-knowledge proving toolstack featuring a zkVM that enables verifiable execution of programs written in high-level languages like Rust

zkSync is a Layer-2 scaling solution that preserves the security properties of the underlying blockchain by leveraging the latest generation of succinct zero-knowledge proofs. All funds in zkSync are held in a smart contract on the mainchain, while computation and storage are performed off-chain. For each Rollup block, a state transition zero-knowledge proof (SNARK) is generated and verified by the mainchain contract. This SNARK includes the proof of the validity of every transaction in the Rollup block.

Citrea is a Bitcoin’s ZK rollup and an execution layer that settles on Bitcoin. Every transaction occurring on Citrea is fully secured by zero-knowledge proofs and verified by Bitcoin through BitVM.

Taiko is a decentralized Ethereum-equivalent ZK-EVM and general-purpose ZK-Rollup. Its purpose is to enable developers and users of dApps developed for Ethereum L1 to use them on Taiko without any modifications. Therefore, dApps can be quickly deployed to L2, preserving Ethereum's security while incurring lower transaction fees than on L1.

vlayer is a trustless verifiable data infrastructure powered by zero-knowledge proofs.

zkVerify is a dedicated zero-knowledge proof verification network designed for settlement optimization. Designed for seamless integration with existing blockchain networks, zkVerify minimizes technical overhead and provides a developer-friendly environment for proof verification across a wide range of zk-rollups and settlement layers.

Ethproofs is a block proof explorer for Ethereum. It aggregates data from various zkVM teams to provide a comprehensive overview of proven blocks, including key metrics such as cost, latency, and proving time. Users can compare proofs by block, download them, and explore various proof metadata(size, clock cycle, type) to better understand the individual zkVMs and its proof generation process.

Manta Network is the multi-modular ecosystem for zero-knowledge (ZK) applications. Manta Atlantic, the fastest ZK L1 chain, brings programmable privacy to web3 through compliant on-chain privacy and identity. Manta Pacific, the unique L2 ecosystem for EVM-native ZK applications, provides a scalable and inexpensive gas-fee environment for ZK applications to deploy simply using Solidity. Together, Manta Atlantic and Manta Pacific deliver an unparalleled experience for the next generation of web3 application development and adoption with the applied usage of zero-knowledge cryptography.

zkPass is a private data protocol leveraging 3P-TLS and Hybrid ZK technologies, providing tools and applications for secure, verifiable data sharing with privacy and integrity assurances from any HTTPS website without Oauth APIs.

Slush is building an SDK for spinning up and managing ZK Rollups. Think of it as an "AWS for ZK Rollups". Its first product is tailored to the Starknet ecosystem.

Morph is a consumer infrastructure that expands encrypted consumer payments through a completely permissionless architecture, decentralized technology, and developer friendly ecosystem, committed to integrating blockchain into real-life scenarios.

Delphinus lab provides solutions for trustless computation and application SDK based on ZKWasm virtual machine. The ZKWASM (ZKSNARK virtual machine that supports Web Assembly) serves as a trustless layer between rich applilcations running on WASM runtime and smart contracts on chain. The company’s mission is to construct a zkWASM cloud suite that eases the integration of more generic web applications into the web3 environment using the rollup as an application approach.

Brevis is a Zero-Knowledge (ZK) omnichain data attestation platform that enables dApps to access, compute, and utilize arbitrary data across multiple blockchains in a completely trust-free way.Brevis has a wide range of use cases like data-driven DeFi, zkBridges, on-chain user acquisition, zkDIDs, social account abstraction, and much more.