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.

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.

Raze Network is an EVM-compatible privacy protocol. It is built as a native privacy layer to provide end-to-end anonymity for the entire DeFi and Web3.0 stack. Raze Network utilizes zkSNARKs on the Zether framework to create a second-layer decentralized anonymous module. The goal of Raze Network is to enable multichain privacy-preserving payment and trading systems while protecting asset and behavior transparency from surveillance.

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.

zkMe is a decentralized Web3 credential network that leverages the power of zero-knowledge proofs to enable secure and private credential issuance and verification. ZkMe enables users to selectively disclose their credentials to authorized parties without compromising their privacy, granting them full control over their digital identities. Users can create and manage their digital identities without the fear of their personal information being exposed. The protocol has potential use cases in various industries, including anti-sybil protection for fair airdrops, anonymous web data attestation for GameFi integrations, and private KYC compliance for DeFi.

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.

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.

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.

NuLink provides technology for decentralized applications that preserves privacy, via APIs. NuLink enables and makes it easy for developers, startups, small businesses, and enterprises to build their own applications with the best security and privacy practices.

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.

ZkAGl is a decentralized AI privacy solution that combines the computing power of the GPU DEPIN network with the security of the ZKML coprocessor. This integration facilitates secure AI model training and inference by ensuring that computations are verified without exposing sensitive data. The key components of ZkAGl include the federated learning framework, ZKP, and the trusted execution environment.

PlatON is a next-generation Internet infrastructure protocol based on blockchain and supported by a privacy-preserving computation network. By combining blockchain and privacy-preserving computation technologies, PlatON is creating a decentralized and collaborative AI network and global brain to promote the democratization of AI and enable the safe development of artificial general intelligence.

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.

Epic Cash is the cryptocurrency focused on privacy and decentralization. It utilizes the Mimblewimble protocol to enhance transaction confidentiality and scalability, ensuring users' financial activities remain private. The project aims to provide peer-to-peer electronic cash with a fixed supply of 21 million coins, developed without an ICO or premine by volunteers.

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.

URnetwork is a privacy VPN solution where URnetwork uses VPNService to route device traffic to provider devices. Traffic is encrypted using open source network standard protocols.

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.

Brave is a privacy-focused internet browser that aims to change the digital advertising relationship between customers and advertisers. BAT is the native token of the platform, which is used as a payment mechanism between advertisers, publishers, and users.

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.

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.

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.

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.

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.

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.

Nesa is the lightweight Layer-1 executing critical AI inference on queries that require a high degree of privacy, security, and trust using ZKML on-chain.

Holonym is a privacy-preserving passport for Web3. It enables users to perform anonymous "KYC" and prevent Sybil attacks. It is also constructing the necessary infrastructure for decentralized wallet recovery.

Namada is a proof-of-stake Layer 1 for interchain asset-agnostic privacy. It natively interoperates with fast-finality chains via IBC and with Ethereum via a trustless two-way bridge. For privacy, Namada deploys an upgraded version of the Multi-Asset Shielded Pool (MASP) circuit, which allows all assets to share a common shielded set. Namada is Anoma's first fractal instance and deploys Version 1 of the Anoma protocol.

Orchid is a platform that enables an onion routing network incentivized by OXT and a multi-hop VPN client. It aggregates the services of numerous high-quality VPN providers in a unique, decentralized marketplace powered by OXT tokens. Bandwidth providers register as sellers on the network by staking their own capital up-front in the form of OXT. This staked capital functions like a security deposit, incentivizing VPN bandwidth providers to supply users with high-quality service. Providers who fail to do so are risking their own capital.