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Open-source, universally accessible, full-featured and available on more than 600 chains, Blockscout Explorer is your definitive gateway to the blockchain world.

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1inch seamlessly unites multiple decentralized protocols, empowering users to perform efficient, user-friendly and secure operations in the Web3 space. --- 1inch provides access to hundreds of liquidity sources across multiple blockchains. Its main components are the 1inch Aggregation Protocol, the 1inch Liquidity Protocol, the 1inch Limit Order Protocol and the 1inch Wallet – a fast and secure mobile application for storing, receiving, sending and swapping crypto assets. --- The 1inch Swap Engine, built on top of 1inch’s Aggregation Protocol and Limit Order Protocol, is a decentralized trading and matching system that connects DEX users with practically limitless liquidity. The 1inch Swap Engine executes trade orders using the Dutch auction model, providing more efficiency, flexibility and tunability than regular swaps or limit orders. --- Powered by the 1inch Swap Engine, Fusion mode enables users to swap tokens without paying any network fees and at the most favorable rates. In addition, Fusion mode offers users extra MEV protection. All swaps in Fusion mode are executed by resolvers – professional traders, who use the most sophisticated and efficient ways of protecting users’ swaps from MEV.

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LayerZero is an omnichain interoperability protocol that enables seamless communication between different blockchains. It allows developers to build omnichain applications (OApps) that can interact across multiple chains as if they were on a single chain. Why build with LayerZero at a hackathon — Reach More Users: Deploy your dApp once and interact with users and assets across all supported chains. — Unify Liquidity: Avoid fragmented liquidity; build DEXes, lending platforms, etc., that leverage a shared cross-chain pool. — Simplify Development: Build complex cross-chain logic using familiar tools (Hardhat, Foundry, etc.) and LayerZero's contract standards (OApp, OFT, ONFT). Get started quickly with the create-lz-oapp CLI. — Enhance Security: Benefit from a configurable, decentralized security model using Decentralized Verifier Networks (DVNs). — Improve User Experience: Abstract away cross-chain complexities, offering seamless interactions without users needing multiple wallets or bridging steps. — Innovate: Explore novel use cases like cross-chain governance, gaming, data queries (lzRead), and complex multi-step workflows (Composability).

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Flow is a layer one blockchain with a powerful smart contract language (Cadence) and full EVM equivalence (any Solidity, smart contract, or protocol that works on Ethereum or an EVM L2 works on Flow). The network was designed from the ground up to enable consumer crypto applications that scale to mainstream audiences and seamlessly connect to digital ecosystems. It is based on a unique, multi-role architecture, and designed to scale without sharding, allowing for massive improvements in speed and throughput while preserving a developer-friendly, ACID-compliant environment. Flow has been architected with a clear vision for the future of consumer crypto, and meticulously designed to address the shortcomings of earlier blockchains to ensure scalability, usability, and efficiency are not simply an afterthought. By incorporating critical protocol-level primitives, such as account abstraction and on-chain randomness, as well a powerful transaction model and scalability without sharding, Flow sets itself apart as a blockchain made for those interested in building apps for widespread adoption and developer-friendly innovation.

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First announced in April 2021, the Pyth Network is the largest and fastest-growing first-party oracle for real-time asset price data and random numbers. Pyth delivers over 500 low-latency price feeds across digital assets, FX, ETFs, equities, and commodities to more than 50 blockchain ecosystems, securely and transparently. The Pyth Network comprises some of the world’s largest exchanges, market makers, and financial services providers, who contribute their proprietary price data to the Pyth oracle for on-chain aggregation and distribution to smart contract applications. Pyth introduces a pull oracle design which empowers apps to request or pull the latest price update to their native blockchain on demand. The Pyth Network has secured more than $300B in trading volume across hundreds of Web3 and Web2 applications.

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Flare is the blockchain for data, an EVM smart contract platform that expands the utility of blockchain.   - With decentralized oracles built into the structure of the network, Flare is the only smart contract platform optimized for decentralized data acquisition - price & time series data, blockchain event & state data, and web2 API data.   - Flare's mission is to provide developers with decentralized access, at scale, and for minimal cost, to all of the data and data proofs they need to build new blockchain use cases that are more relevant to more people

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Committed to powering a digital economy underpinned by trust, Hedera stands apart as the leading enterprise-grade public blockchain on the market. The platform’s unique hashgraph technology ensures lightning fast performance combined with the highest levels of security and efficiency. With an open-source ecosystem and fixed, low fees, Hedera equips DeFi and enterprise developers with the predictability, tools, and services they need to build the next breakthrough application. The Hedera network is governed by a diverse council of the world’s leading institutions to ensure transparent and fair decision-making. By empowering the development of applications that address real-world challenges across DeFi, tokenization, AI, digital identity, and more, Hedera is building a new foundation for decentralized trust. For more information, visit www.hedera.com, or follow us on Twitter at @hedera, Telegram at t.me/hederahashgraph, or Discord at www.hedera.com/discord. The Hedera whitepaper can be found at www.hedera.com/papers.

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vlayer aims to unlock web3's potential with robust data infrastructure. We simplify zero-knowledge proofs, making privacy and verification tools accessible to smart contract developers on EVM compatible chains. By integrating web2 data (web and email proofs) into web3 apps, we support a decentralized, secure, and efficient internet. We are on a mission to connect the otherwise disconnected worlds of Web2 and Web3. We are building a new category - verifiable data infrastructure. Our all-in-one infrastructure layer allows developers to extract, verify and integrate real-world data into Ethereum smart contracts, in the form of trustless claims. By integrating web2 data (web and email proofs) into web3 apps, we support a decentralized, secure, and efficient internet. Our technology is powered by state-of-art Zero Knowledge Proofs and optimised to provide the best developer experience. Key features: - Time travel: leverage history of on-chain data in your contracts - Teleport: compute cross-chain data from EVMs - Email Proofs: tap into trusted contents of emails - Web Proofs: bring private Web2 data on-chain Benefits of building with vlayer: - You can use Solidity and existing tooling like Foundry - No needs to learn new DSLs or programming languages - Access the key data sources directly from your Solidity smart contract

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Building the world’s largest identity and financial network to serve as a public utility, giving ownership to everyone.

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Rootstock is the top and longest running Bitcoin Sidechain, aiming to address the shortcomings of Ethereum by leveraging Bitcoin's unmatched stability, security, and economic power. Rootstock uses Solidity programming language, making it fully EVM compatible. You can build any EVM dApps and products on Bitcoin using Rootstock without any additional tools or knowledge. This is a unique opportunity to build the foundations bridges between Ethereum, Solidity and Bitcoin.

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Yellow is a clearing Network that uses state channels to facilitate trading and settlement through smart contracts and on-chain margin accounts. We are contributor of erc7824.org and looking for comments on our initiative. State Channels are a very powerful way to scale dApps in a chain agnostic way. Yellow leverage it to make trading fully non-custodial, cross-chain and infinitely scalable.

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The Ethereum development environment for professionals by Nomic Foundation. Give the Hardhat 3 alpha a try: Rust rewrite, Solidity tests, multi-chain, and more.

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We drive breakthroughs in computing to push humanity forward.