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.

Ronin is an Ethereum sidechain built by Sky Mavis, the developers of Axie Infinity. It supports EVM-compatible smart contracts and protocols, enabling developers to create high-performance, feature-rich blockchain projects. Ronin was specifically customized to be a long-term scaling solution for Axie Infinity, allowing it to become more viral and providing global access to the blockchain gaming revolution. These features make Ronin an ideal platform for collectibles, art, and, of course, gaming.

RSK (Rootstock) is a general-purpose smart contract platform secured by the Bitcoin Network. It adds value and functionality to the Bitcoin ecosystem by enabling smart contracts, near-instant payments, and increased scalability. The RSK MainNet network was released in early January 2018.

Loom Network is a Platform-as-a-Service (PaaS) blockchain solution that enables the development of sidechains for Ethereum-based applications.

POA Network is an Ethereum-based platform that offers an open-source framework for smart contracts. It uses Proof of Autonomy as its consensus mechanism, relying on a set of pre-selected validators to secure the network.

Gnosis Chain is a EVM blockchain designed for fast and inexpensive transactions. It uses a unique dual-token model; xDai is a stable token used for transactions, payments, and fees, and GNO provides Proof of Stake protection with the consensus-layer Gnosis Beacon Chain. In December 2021, xDai and Gnosis merged, and xDai Chain changed its name to Gnosis Chain.

Blockstream is a leading blockchain development company founded in 2014. Its core focus is on developing new infrastructure for the legacy financial system, with key developments revolving around Bitcoin sidechains and other blockchain-related applications. Their flagship technologies include their own implementation of the Lighting protocol and the Elements Project, an open-source sidechain blockchain platform. Blockstream has launched a number of products, such as Liquid, an inter-exchange settlement network based on Bitcoin, Blockstream Green, a secure bitcoin wallet, as well as other products that provide real-time and historical cryptocurrency trade data, and colocation services for bitcoin mining operations.

The Palm Network is an NFT-optimized sidechain, built for the open Ethereum ecosystem, that enables culture and creativity. It offers low gas costs, fast transactions, and a 99.99%+ reduction in energy consumption when compared to Proof of Work systems. Palm NFT Studio contributes to the Palm Network by supporting and collaborating with creatives, artists, marketplaces, and rights holders, to bring projects and platforms into the Palm ecosystem.

Bitrock is an Ethereum IBFT 2.0 Proof of Authority (PoA) side chain with near-zero native gas fees and lightning speed block times. On top of having a cost-effective, scalable, and high speed infrastructure, Bitrock will have a unique multichain (DEX) swap where cryptocurrencies can be traded directly on their native chains without the need to use DEX's native to those chains, hold native chain tokens, or pay gas fees in those native tokens. All of the former can be handled through Bitrock's native multichain DEX, and all gas is equalized from other chains and paid in native Bitrock.

Calimero is a customizable sidechain built on top of the NEAR Protocol. It allows developers to deploy a customizable, easy-to-use private shard with built-in privacy features and confidential native WASM or EVM smart contracts.

Meter.io is a decentralized Ethereum network expansion solution that integrates the advantages of PoW and PoS. It uses PoW to mint stable coins connected to electricity prices, and uses PoS based on HotStuff consensus to process transactions while resisting MEV and transaction front-running. , Meter.io aims to be a highly decentralized and extremely performant Ethereum sidechain.

Smart Bitcoin Cash (smartBCH for short) has the aim of exploring new ideas and unlocking possibilities. It is compatible with Ethereum's EVM and Web3 API, and provides high throughput for DApps in a fast, secure, and decentralized way.

CENNZnet is a blockchain designed for the open metaverse.

XANA is a custom-built blockchain infrastructure and robust DApps platform for the Metaverse. It has been widely adopted by major institutions, local governments, and global brands.

Verse Network is a layer 2 sidechain optimized for DAOs. It enables networks, developers, and organizations to effectively decentralize decision-making and scale their communities and decentralized applications.

CRD Network is a sidechain focusing on reflecting real-world asset values and data, financial history, and banking transactions on the blockchain. It makes this information anonymous and usable by Oracles, smart contracts, and dApps.

APTOS Monster is a Layer 2 sidechain optimized for DAOs, DeFi, and Meme projects in the AptOS ecosystem.

Conduct Protocol is a custom-built Bitcoin sidechain for stablecoin payments, globally decentralized by mobile nodes.

Xahau Network is a Smarter Blockchain with Account-Based Programmability.Xahau introduces IOU Token Escrow and PayChannels as unique features, enhancing transaction flexibility and security. Hooks are the native smart contracts on the Xahau network.