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.

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.

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.

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++.

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.

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.

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.

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.

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.

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.

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.

The Oasis Network is a Layer 1, proof-of-stake, decentralized network designed to support the next generation of blockchain applications. It is incredibly versatile, agile, and customizable. Moreover, it supports confidential smart contracts, enabling sensitive data to be used by Dapps and unlocking new use cases and applications of blockchain technology.

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.

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.

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.

Venice is a privacy-focused artificial intelligence platform offers services such as generative conversation and image creation, but it does not hold user data. The platform uses blockchain for permissionless payment, as well as web3 infrastructure for local browser storage and end-to-end encryption.

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.

Vanish is a Solana-based privacy trading solution. Whether users want to open positions without signaling or take discreet profits, Vanish offers execution privacy that no other platform can provide.

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.

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.

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.

0x0 is an All-in-One Privacy Hub and AI Smart Contract Auditor with 100% of Utility Income distributed to coin holders in ETH, creating a Passive Income stream.The platform includes an AI-powered smart contract auditor and a privacy mixer. Additionally, 0x0 is working on a privacy DEX, an all-in-one hub for writing custom smart contracts and an AI bot that can detect and front-run suspicious transactions to prevent becoming the victim of a scam.

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.

Proton is a privacy technology company known for its privacy-focused solutions like Proton Mail and Proton VPN. It also launched the crypto wallet product Proton Wallet, which allows users to purchase, store and transfer cryptocurrencies.

Fairblock can be used for front-running protection, private limit orders/intents, private voting/governance, sealed-bid auctions, randomness generation, and censorship-resistant sequencers in the Cosmos and soon in the Ethereum ecosystem, modular ecosystem (Celestia), Layer 2s (Optimism, Scroll, Eclipse), and cross-chain infrastructures and applications (Axelar, Squid) to protect the contents of the transactions before execution. Our goal/value is empowering users and protocols with the optional freedom of encrypting their transactions in order to protect them against various forms of malicious strategies and enable decentralized applications which are not previously possible.

Lethe is a privacy protocol based on Solana that uses ZK technology to ensure the security of users' funds. It provides three main functions: shielding (hiding balance), sending (privately sending Sol), and unshielding (withdrawing Sol at any time).

Three Protocol(Jobs3) is a No-KYC ZKP Pseudoanonymity, Neural Network AI and Tri-Signature DAOs for crypto marketplaces, whose objective is to establish a network of autonomous marketplaces rooted in blockchain technology. These marketplaces aim to facilitate Product, service and Real World Asset financial inclusion for individuals lacking traditional banking facilities, to use the latest Neural Network Artificial intelligence technologies to increase marketplace procurement efficiency, to enable the utilization of cryptocurrencies for transactions and to instate equitable governance via a Decentralized Autonomous Organization (DAO). The first platform, Jobs3, is set to emerge as a decentralized contender to existing employment marketplaces such as Upwork and Fiverr. Central to this project is the $THREE governance token, Neural Network machine learning, and ZKP pseudo-anonymisation alongside smart contract technology, which together will enable secure escrow services, efficient procurement of marketplace products, services, real world assets, DAO-facilitated dispute resolution mechanisms, and seamless cryptocurrency purchase transactions.