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Polkadot is the first layer-0 (L0) blockchain that provides shared security and secure interoperability to layer-1 (L1) blockchains. Those L1 blockchain attached to Polkadot are also called parachains as their transactions are processed in parallel by Polkadot.

Kusama is a scalable network of specialized blockchains built using Substrate and nearly the same codebase as Polkadot. The network is an experimental development environment for teams who want to move fast and innovate on Kusama, or prepare for deployment on Polkadot.

Centrifuge is the infrastructure that facilitates the decentralized financing of real-world assets natively on-chain, creating a fully transparent market which allows borrowers and lenders to transact without unnecessary intermediaries.

HydraDX is a cross-chain liquidity protocol built on Substrate. It's mission is to enable frictionless liquidity for all cryptoassets by building the first of its kind multi-asset liquidity pool called the Omnipool. In the Omnipool, various assets аrе priced against each other by using the pool token H2O as a proxy for determining their relative value. With the Omnipool, HydraDX breaks with the traditional conception according to which assets are traded in pairs using isolated pools.

Bifrost is a liquid staking derivatives protocol that provides decentralized cross-chain liquidity for staked assets. By leveraging on the cross-consensus message (XCM) it can provide cross-chain liquid staking services for multiple chains.

KILT is a protocol for self-sovereign data and interoperability built on top of the permissionless KILT blockchain. The core component of KILT is a digital identity protocol for 1. generating and managing decentralized identifiers (DIDs), and 2. issuing and presenting digital verifiable credentials (VCs).

Moonbeam is a new Polkadot smart contract platform that makes it easy to build natively interoperable blockchain applications.

Interlay is a bridge between Bitcoin and other blockchains, allowing you to use your Bitcoin in DeFi applications without giving up control.

Hyperbridge is a cryptographically secure cross-chain interoperability tool secured by Polkadot and powered by zero-knowledge cryptography.

Acurast is a permissionless, decentralized blockchain that acts as a serverless cloud for developers, enabling secure and scalable computations.

Picasso is a blockchain project focusing on enabling seamless communication and value transfer between different blockchain ecosystems such as Polkadot, Cosmos or Solana.

Zeitgeist is a blockchain designed for prediction markets, allowing users to bet on the outcomes of events and potentially profit from their foresight.

Litentry is a blockchain-based system for managing your digital identities across different platforms, giving you control over your data.

Hashed Network enables the full business lifecycle for digitally-native organizations and web3-curious businesses seeking benefits of decentralized digital economies.

Mangata is a DEX for experienced traders with gas-free swaps and MEV minimalization.

Energy Web, a leader in blockchain for sustainability, offers Green Proofs, Data Exchange, and a comprehensive suite of Web3 infrastructure within its software-as-a-service platform. EWX Marketplace is a secure and trusted home for hundreds of clean energy applications.

Calamari is a testnet version of Manta Network, designed to bring privacy-preserving transactions and swaps to Kusama's DeFi ecosystem.