# Clober > The Only Fully On-chain Order Book for EVM Clober is a decentralized trading protocol offering a fully on-chain order book for EVM-compatible blockchains. It pairs onchain order matching with automated liquidity strategies for traders, market makers, and institutions. Clober is a decentralized trading protocol that operates a fully on-chain order book for markets on EVM-compatible blockchains. It matches limit and market orders directly onchain and pairs this order book with automated liquidity strategies known as PropAMMs. The protocol serves individual traders, professional market making firms, and institutional allocators seeking exchange-grade execution without relying on a centralized intermediary. Onchain order book exchanges traditionally required heavy computation to match and update orders, which pushed early decentralized exchanges toward simpler automated market maker designs instead. Clober addresses this by using a segmented data structure that reduces the cost of updating and matching orders, allowing continuous quote streaming and active liquidity management to run entirely onchain. This lets liquidity providers run adaptive market making strategies that respond to live market data rather than relying on static pricing curves. The protocol's core offering combines its onchain order book engine with PropAMM vaults, through which allocators can deploy capital to earn spread based returns, alongside developer tools that let other applications and trading firms build their own execution venues on the same infrastructure. It supports configurable access controls so institutions can operate permissioned trading venues while remaining open to permissionless participation more broadly. Clober is used by retail traders, professional trading firms, decentralized applications, and institutional allocators seeking onchain execution across multiple blockchain networks. - Type: Protocol - Sector: DeFi - Status: Active - Founded: 2022-10-01 - Profile: https://thegrid.id/profiles/clober_io ## Products - [Clober DEX](https://thegrid.id/profiles/clober_io): Clober DEX is a decentralized exchange running a fully on-chain central limit order book for spot and derivative trading. It uses the LOBSTER matching algorithm with a book manager and segmented segment tree data structures to process limit and market orders at low gas cost, and issues order positions as NFTs. The app also aggregates quotes from external swap routers, offers liquidity vaults where users provide capital to market-making strategies, and includes a bridging interface for moving assets between supported chains. Perpetual futures trading is available alongside spot markets, and the platform runs an points-based rewards program tied to trading and liquidity activity. (Decentralised Exchange, Live, Main Product) - [Nitro Dex](https://thegrid.id/profiles/clober_io): Nitro Dex is a decentralized exchange that provides a fully on-chain order book for spot trading, running on a separate test network under its own branding and domain. It uses the same underlying order book matching architecture as Clober, letting users place limit and market orders and view live order book depth and charts. The product maintains an independent user-facing identity and social presence distinct from the main Clober application. (Decentralised Exchange, Open Beta) ## Links - [Main](https://clober.io) - [Documentation](https://docs.clober.io) - [Twitter / X](https://x.com/CloberDEX) - [Telegram](https://t.me/CloberDEX) - [Discord](https://discord.com/invite/clober-dex) - [GitHub](https://github.com/clober-dex) - [Medium](https://medium.com/clober) ## Legal This data is provided under two licensing models. Model 1 - open data. The open data core is licensed under the Open Database License (ODbL) — a copyleft/share-alike license allowing free use, modification, and sharing for any purpose. Attribution is required: include "Powered by The Grid" linking to https://thegrid.id wherever the data is used. Derivative databases must be shared under ODbL terms. Trademarks, logos, and brand names (marked "Special TPIP") are not covered by the ODbL. 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