FLock.io aims to build a decentralized, privacy-preserving solution for Artificial Intelligence. It has proposed a research initiative called Federated Learning Blocks (FLocks for short), which uses blockchain as a coordination platform among data holders to conduct Machine Learning while keeping data local and private. By replacing the central entity that collects data and organizes machine learning with blockchain, FLocks aims to empower users to mine insights from their own data and monetize at their own discretion.

AI Cross Matrix (ACM) is a privacy-focused financial protocol built on zero-knowledge proofs (ZKPs), ring signatures, and AI-based path obfuscation mechanisms. and is committed to enabling decentralized, cross-chain, and untraceable asset transfers. Designed to be the foundational layer of open and secure Web3 finance.

Zama is a cryptography company building open source homomorphic encryption tools for developers.Homomorphic encryption (FHE) is a technology that enables processing data without decrypting it. This can be used to create private smart contracts on top of public, permissionless blockchains, where only specific users would be able to see the transaction data and contract states.

Anoma is an intent-centric architecture, introducing a new paradigm for building infrastructure layers and a new operating system for decentralized applications. Anoma’s intent-centricity introduces novel primitives that allow existing web2.5 dApps to be fully decentralized, such as optimistic and ZK rollups, DEXs, NFT marketplaces, or public goods funding applications like Gitcoin.

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.

The Canton Network is the financial industry’s first privacy-enabled interoperable blockchain network designed for institutional assets, launched by a group of leading financial institutions, infrastructure providers, technology firms, and consultants. The Canton Network’s design overcomes the shortfalls of existing smart-contract blockchain networks and enables previously siloed systems in finance to become interoperable and synchronized in ways that had been impossible before. Offering the privacy and controls required for highly regulated organizations, the Canton Network creates a safe and sound environment in which assets, data, and cash can move freely across applications in real time, unlocking new efficiencies and powering innovation.

Billions Network is a digital identity verification platform designed to offer a future where humans and AI can trust each other, including Sam Altman’s crypto project, World. The platform, which utilizes zero-knowledge proof tech, seeks to provide a scalable and secure method for verifying both human and AI identities.

Aleo is a developer platform for building fully private, scalable, and cost-effective applications. It uses zero-knowledge cryptography to move smart contract execution off-chain, enabling a diverse range of decentralized applications that are both entirely private and can scale up to thousands of transactions per second.

Midnight Network is a data protection blockchain, where Developers and businesses can build decentralized applications that safeguard sensitive data, without sacrificing performance and regulatory requirements. Developers can build on Midnight in a novel and easy to use programming model based on Typescript, and zero knowledge (ZK) proofs.

Seismic is a blockchain encrypted at the protocol level with encrypted global state, memory access and data flow. Seismic's protocol ships as a set of sequencers that plug into any chain.

Monero is an open-source, privacy-oriented cryptocurrency that was launched in 2014. Its blockchain is intentionally configured to be opaque, making transaction details such as the identity of senders and recipients and the amount of each transaction anonymous by disguising the addresses used by participants.

Zcash is a privacy-preserving cryptocurrency that provides anonymous value transfer using zero-knowledge cryptography. The protocol offers the option to make transactions either shielded, which will be completely anonymous, or transparent, which will be visible on the Zcash blockchain.

Aztec Network is the first private ZK-rollup on Ethereum, enabling decentralized applications to access privacy and scale. Its industry-standard PLONK proving mechanism is used by the leading zero-knowledge scaling projects, ensuring the security of its rollup.

Octra is an FHE blockchain network with support for isolated execution environments. The majority of the codebase is developed in languages such as OCaml, AST, ReasonML (the language for smart contracts and applications for interacting with the Octra blockchain network), and C++.

Arcium is a parallelized confidential computing network. It provides developers and applications with a trustless, verifiable, and efficient framework to run encrypted computations. Arcium aims to bring confidentiality to every on-chain application and become the global computing network for the decentralized internet. Multiparty computation eXecution Environments (MXEs) are the backbone of the Arcium Network. They combine Multiparty Computations (MPC), Fully Homomorphic Encryption (FHE), Zero-Knowledge Proofs (ZKPs), and more to enable encrypted computations.

Polygon Miden is the Edge Blockchain grants applications the power to scale with public and private transactions. With edge execution and self-custodied state control, users keep full control of their data and transaction details. Miden enables safe smart contract development with Rust and built-in account abstraction, while also minimizing attack surface with native asset storage for user accounts.

Inco Network is an EVM Layer-1, utilizing fully homomorphic encryption (FHE) to enable composable and operable confidential states. Its fhEVM (FHE + EVM) makes it possible to write private smart contracts and perform computations on top of encrypted data without requiring its decryption. This innovation unlocks a wide range use cases with confidentiality components, such as card games, DID, private voting, dark pools, etc. - paving the way for a new era of possibilities.

Founded in 2018, Ligero builds tools to simplify zero-knowledge proof development, deployment and scaling without compromising security or compliance. Its core product, Ligetron, is a zero-knowledge virtual machine (zkVM) designed for high-speed performance across both browsers and advanced hardware.

Tari is a blockchain protocol focused on digital assets, built in Rust, private by default, open source, and architected as a merge-mined sidechain with Monero. It enables creators to design new types of stories and experiences.

ZeroPool is a fully private, multi-blockchain solution with low transaction fees, atomic swaps, and a common anonymity set. Balances and transaction graphs are hidden, and the product is compatible with network identity-hiding technologies, such as Tor. Users can deposit, transfer, and withdraw tokens.

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.

Hana Network is a startup developing hyper-casual finance with social network effects and has launched the deposit and withdrawal solution Hana Gateway. Hana Network aims to achieve user-driven distribution through existing open social networks.

Ten is a Layer 2 solution for Ethereum that provides privacy and scalability. It ensures that inputs, contract states, and executions are always encrypted. Obscuro's programmable privacy allows developers to decide what they want to keep private and what they want to make public at a granular level. R3, a global enterprise software firm, incubated Ten.

Multiple Network is a Web3 Privacy Acceleration solution for AI that provides privacy protection and data acceleration services based on P2P and SD-WAN technologies. By aggregating the bandwidth of distributed nodes, it offers anonymous communication and encrypted transmission services. Multiple Network provides higher bandwidth and lower latency, widely used in AI model invocation, search engine interactions, and the encryption and acceleration of large-scale sensitive data, enhancing the efficiency and security of AI model training and inference.

Privacy Cash is a privacy protocol based on Solana that allows users to deposit SOL into a privacy pool and withdraw from the privacy pool to any recipient address.

Common is a privacy-enhancing, decentralized multi-chain exchange for digital assets. Its ultra-low latency and privacy-enhancing design mitigate the Maximal Extractable Value (MEV) problem, making it an ideal DEX.

Hinkal is a ZK-based solution that provides a private smart contract wallet experience, allowing users to participate in their favorite dApps directly from their private addresses without the need to withdraw assets for obfuscation. Hinkal enables privacy of transactions and assets across core DeFi apps and functions, including trading, farming, staking, and lending through the use of stealth addresses and with high degree of compliance.

Partisia Blockchain is a WEB 3.0 public blockchain for the coordinated use of public and private information across all applications and platforms. It provides an additional layer of data security on the blockchain. Users can control access to their data through ZK-Computations.

Enclave Markets is a fully encrypted exchange (FEX). The platform is built entirely within a Secure Enclave, preventing any party, including the exchange operators, from reading order activity. It secures assets using a mechanism that eliminates the possibility of a single point of failure. Its first product, Enclave Cross, gives users access to an institutional-grade, fully confidential mid-match platform. This platform allows participants to trade blocks of digital assets at the given market price without market impact.

Dusk Network is the privacy blockchain for financial applications. Its mission is to enable enterprises of any size to collaborate at scale, meet compliance requirements and ensure that personal and transaction data remains confidential.