Mantle is a high-performance Ethereum layer-2 network built with a modular architecture that delivers low fees and high security. Builders can use Mantle's unique design to create dApps with an exceptional user experience, while also relying on Ethereum's unparalleled security. Mantle is a product of BitDAO and is governed by the $BIT community.

Optimism is an Ethereum Layer 2 solution that utilizes optimistic rollup technology. It drastically reduces costs and transaction times while preserving the benefits of Ethereum's security.

Bitlayer is a Bitcoin Layer 2 ecosystem project leading the way to the ground-up implementation of BitVM. By merging security with a lightning-fast smart contract engine, Bitlayer unlocks the full potential of Bitcoin DeFi. Bitlayer is committed to an open and collaborative Bitcoin DeFi ecosystem, working with partners to advance BTC Bridge, Bitcoin Layer 2 and BitVM stack, driving the future of secure, scalable, and programmable Bitcoin finance.

Polygon is a decentralized Ethereum scaling platform that enables developers to build user-friendly, scalable dApps with low transaction fees without compromising security.

Payy is a privacy-first stablecoin blockchain that provides privacy protection for stablecoin payments and financial activities. Payy makes it easy and convenient to integrate stablecoins with payments, thereby promoting widespread adoption by consumers and businesses.

Arbitrum, created by the Offchain Labs team, is an Ethereum Layer2 scaling solution based on Optimistic Rollup technology. It leverages the ability to communicate between L1 and L2, allowing any form of Ethereum asset to be transferred between Layer 1 and Layer 2 without the need for trust. Even though Arbitrum transactions are still settled on Ethereum, only raw transaction data is submitted to Ethereum, with execution and contract storage occurring off-chain. This makes the gas fee required on Arbitrum much smaller than on the mainnet, and contracts are fully compatible with no gas limit.

Rayls is the EVM-compatible blockchain ecosystem that provides enterprise-grade privacy, scalability, interoperability, and decentralization simultaneously. It enables financial institutions to tokenise financial and real-world assets (RWA), adopt central bank digital currency (CBDC) payments, streamline cross-border FX and intra-institution payments. Rayls' hybrid architecture combines private subnets for banks with a public chain for DeFi. Financial institutions install Rayls Nodes on-premises, connecting to a central hub for private transactions. These same nodes connect to the public chain, enabling regulated asset issuance with global distribution.

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.

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.

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.

Cygnus is the Web3 Instagram application layer and modular real-income layer. Its Instagram layer connects users to Web3, starting with the fast-growing Cygnus InstaPlay Hub and expanding to creator economy, data sovereignty, and AI integration. Cygnus Chain is powered by the Cygnus full-chain liquidity verification system (LVS), which ensures liquidity and provides distributed verification services, enabling users to earn staking income, LVS fees, and ecosystem incentives from on-chain and off-chain assets.

MegaETH is building ultra high-throughput & low-latency EVM-compatible L2s. Accelerating the scalability endgame of Ethereum.

ADI Chain is a blockchain infrastructure designed entirely by artificial intelligence and powered by GPU computing. It provides high-performance infrastructure for finance, identity authentication, healthcare and other fields.

OptimAI is a Decentralized Reinforcement Data Network that collects and validates data, rewards participants, and powers the next generation of smarter, faster AI systems. OptimAI Network is a full ecosystem where developers can train AI models, businesses can access premium datasets, and users can actively shape the future of artificial intelligence.

Immutable X operates as the first-ever Layer 2 scaling solution for NFTs on the Ethereum blockchain. It utilizes zk rollup technology to address high gas fee and scalability issues when minting and trading NFTs.

Merlin Chain is a Bitcoin Layer 2 powered by Bitmap, building upon the native assets, protocols, and products on Bitcoin Layer 1, to Make Bitcoin Fun Again.

Stacks is a Bitcoin L2, bringing smart contract functionality to Bitcoin, without modifying Bitcoin itself. Stacks takes a pyramid approach, where you have the foundational settlement layer at the bottom (Bitcoin), and then a layer on top of that to add smart contracts and programmability (Stacks), and then layers on top of that for scalability and speed (Hiro's Subnets).

B² Network is a EVM-compatible Rollup based on zero-knowledge proof verification commitment on Bitcoin. Rollup data and zk proof verification commitments are recorded on the Bitcoin Network, finally confirmed via a challenge-response mechanism.

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.

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.

Fractal Bitcoin is a Bitcoin scaling solution that gradually extends the Bitcoin blockchain into a scalable computing system without breaking consistency with the Bitcoin main chain.

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.

ChaosChain is an experimental Layer 2 blockchain that reimagines consensus through AI-driven social dynamics. Unlike traditional blockchains with rigid rules, ChaosChain lets AI agents make consensus decisions based on arbitrary criteria - from sophisticated state validation to simply liking the proposer's meme game.

Epic Chain is an Ethereum Layer 2 solution built specifically for global entertainment brands. Global brands and talent will be able to use Epic Chain's technology to store their IP on-chain and engage with fans through next-generation content and experiences.

BOB（Build On Bitcoin） is an EVM rollup stack with native Bitcoin support. Build decentralized apps on top of Ordinals, Lightning, Nostr.

Fhenix is the confidential blockchain powered by fully homomorphic encryption. Through the usage of fhEVM, Fhenix enables Ethereum developers to seamlessly build encrypted smart contracts and perform encrypted computation of data, all while using Solidity and other familiar, easy-to-use tools.

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.

BitcoinOS is the scalable smart-contract layer for Bitcoin allowing developers to build interoperable rollups, dapps and DAOS, bringing scalability, privacy and DeFi to Bitcoin. BitcoinOS is the Bitcoin Superchain: interoperable rollups secured by Bitcoin with near trustless rails for BTC and other Bitcoin-native assets.

Abstract is a consumer-focused blockchain powered by cutting-edge ZK cryptography for consumer crypto, pioneering culture, community, and creativity onchain. Its mission is to build the world's biggest onchain community, driven by the culture economy, leveraging ZK Stack and EigenDA to provide cheap, fast, and secure transactions. Abstract was invented by individuals who launched and scaled Pudgy Penguins, Ethereum, and Kubernetes.

Scroll is a zkEVM-based zkRollup on Ethereum that enables native compatibility for existing Ethereum applications and tools. It processes transactions off-chain and posts succinct proofs of correctness on-chain, resulting in higher throughput and lower costs compared to the Ethereum base layer.