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Bitkub Chain, a fully EVM-compatible Layer 1 blockchain, is the leading blockchain infrastructure in Southeast Asia. It enables users to interact with decentralized applications through affordable transaction fees, high-speed confirmations, and transparent operations accessible to everyone.

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The CDP SDK is a backend Python/TypeScript SDK for programmatic onchain interactions. We make it simple for anyone without crypto experience to build onchain, while still having as much power as an experienced crypto developer needs. It also works seamlessly with Autonomous Onchain Agents. OnchainKit is a set of frontend components to seamlessly add onchain elements like sign-in, checkout, fund, and swap for your end-users.

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We drive breakthroughs in computing to push humanity forward.

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Kinto is an L2 focused on providing safe access to on-chain finance. It's built on top of the Ethereum network using the Arbitrum Nitro Stack, and it's non-custodial, transparent, permissionless, and governed by the community. Kinto is fully EVM-compatible but Kinto has two idiosyncratic differences that you need to understand. The first one is that Kinto has User-Owned KYC, meaning every user needs to be verified before sending any transaction. The second one is that Kinto has native Account Abstraction, meaning that users are forced to have a smart wallet instead of plain EOAs and users do not have to worry about or pay gas. Benefits of Building on Kinto include: - Free KYC, KYT and AML. You get all this compliance tooling out of the box. - Sybil resistance. - Better UI/UX through Account Abstractions. - Higher level of security through Hypernative and Ironblocks. - Insurance Policy to all Kinto users. - Mining rewards for developers based on the usage and TVL of their applications. Learn more in our Docs and Development Guide.

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Polygon Labs is a software development company building and developing a network of aggregated blockchains via the AggLayer, secured by Ethereum. As public infrastructure, the AggLayer will bring together user bases and liquidity for any connected chain, and leverage Ethereum as a settlement layer. Polygon Labs has also contributed to the core development of several widely-adopted scaling protocols and tools for launching blockchains, including Polygon PoS, Polygon zkEVM, and Polygon Miden, which is in development as well as Polygon CDK.

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Sign is building a global verification platform to make all digital information, such as identity, ownership, and certificates, verifiable onchain. Sign Protocol offers a suite of tools, infrastructure, and standards to create a future where verifiable attestations drive all claims and assertions on the web and the world around us. We are excited to see Sign Protocol usher in a future where we can trust but, more importantly, validate all data using attestations to enable improved governance protocols, point systems, reward distribution systems, trust and referral networks, and much more.

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NOTE: THES BOUNTIES ARE MOSTLY FOR PROJECTS USING STYLUS (RUST), CHECK DETAILS OF THE BOUNTY CAREFULLY Designed with you in mind, Arbitrum is the leading Layer 2 technology that empowers you to explore and build in the largest Layer 1 ecosystem, Ethereum. Arbitrum Stylus is a groundbreaking upgrade to Arbitrum chains that adds a WebAssembly (WASM) Virtual Machine (VM) to enable developers to write their smart contracts in languages beyond Solidity, such as Rust, C, and C++ while still fully interoperable and composable with Solidity smart contracts. This upgrade opens the door for a wider range of developers, especially those with existing skills in languages, to seamlessly transition into blockchain development on Ethereum-compatible networks. By supporting familiar, more mature programming languages, Stylus accelerates onboarding, reduces learning curves, and broadens the scope of possibilities for efficient, high-performance decentralized applications.

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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. With over 45-million consumer accounts connected to experiences from the NBA, NFL, and Disney, the next killer app is being built on Flow.

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Build applications with the power of 1inch! Supercharge your applications' swaps with our classic and intent-based trading engine, and streamline your onchain data access with our simple REST APIs.

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LayerZero is an immutable, censorship-resistant, and permissionless smart contract protocol that enables blockchain application to send data, tokens, NFTs, auth, and more to any supported destination network.

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Uniswap needs no introduction and its upcoming version, Uniswap v4, reignites the protocol as a premier platform for developers. Uniswap v4 introduces Hooks, allowing developers to plug arbitrary solidity logic inside the swap lifecycle. Whether it’s pool creation, swaps, or liquidity modifications, developers can elect to execute solidity logic before and after an operation has happened. Beyond hooks, v4 also introduces dynamic fees, flash accounting, ERC-6909 balances, and a singleton design — all to enable gas-efficient complex operations. From token-based fee discounts to MEV minimization, v4 provides an wide opportunity for researchers and developers — regardless of skillset. With Unichain providing 250ms transaction times, expect to observe better transaction quality for Uniswap v4!

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Scroll is building a ZK rollup solution to scale Ethereum. Powered by our zkEVM, using Scroll looks and feels just like using Ethereum for users and devs!

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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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Mina is a lightweight ZK blockchain for proving anything privately and securely. Its blockchain uses recursive zk-SNARKs to design an entire blockchain that can be verified in just 22kb, the size of a couple of tweets. Mina will transform the way information is verified online, by empowering individuals to prove their sensitive information safely, where anyone can easily verify it with its lightweight ‘proof of everything.’

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Chainlink is the industry-standard Web3 services platform, enabling trillions in transaction volume across DeFi, onchain finance, gaming, NFTs, and other major industries.

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Building a mini app means you will get instant exposure to the 15 million World App users. All World App users already have an integrated wallet and free transaction fees on World Chain (part of the super chain). We will be working closely with teams that want to build a real app reaching millions of people this weekend. To be considered for the Mini App bounties you MUST use either World ID or the World App Wallet. Preferably both! Learn more: https://www.youtube.com/watch?v=ssNkLd8OfV4&t=24s

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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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Avail is a modular tech stack designed to help rollup builders overcome key challenges in scalability, interoperability, and security. By leveraging Avail DA, builders can use data availability (DA) technology to build highly performant rollups. Our platform allows developers to deploy high-throughput, and cost-efficient L2s and L3s, perfect for DeFi, Gaming, ZK tech, etc.

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Hyperlane is the first interoperability layer that enables you to permissionlessly connect any blockchain, out-of-the-box. With Hyperlane you can connect your app to any chain, and easily have interchain function calls or asset transfers. Hyperlane has a modular security stack, that allows you to configure your security model, and customize the security protocol you use to fit the action of your users.

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Nethermind is a blockchain research and software engineering company empowering enterprises and developers worldwide to work with and build on decentralized systems. Our work touches every part of the blockchain ecosystem, from fundamental cryptography research through security to application-layer protocol development. Nethermind is a core contributor to the development of Ethereum, and we are active builders of the Starknet ecosystem.

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Web3Auth seamlessly onboards mainstream users into a non-custodial wallet via social logins and passkeys. Developers building on top of Web3Auth are able to utilise a full suite of tools that would allow them complete control over their onboarding flows on any platform, web or mobile, and across blockchains. You can directly integrate Web3Auth with almost all the co sponsors in this hackathon. Check out our resources section to find some guides we have created for direct integration with multiple co sponsors. You can also integrate with ones not mentioned or request our team to explore some particular integrations if needed. If you have questions, you can ask directly in the discord or the support community of Web3Auth.

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🫖 🏴‍☠️ Introducing Dstack - A Flashbots X Project 🏴‍☠️ 🫖 _ ⚡️🚨 Warning: Building on Dstack may cause an intense love for TEEs 🚨⚡️ _ Phala is a Core Contributor to Flashbots' X Project, Dstack, and we are offering a glimpse into the future of the Web3 development stack. Dstack provides developers the freedom to build beyond the limits of today's Web3 development. With the Dstack SDK, devs can make remote attestations and key derivations in the TEE (Trusted Execution Environment) from their own docker apps written in ANY language they prefer to build in. All developers need to do is build a docker image of the project, and the project is ready to be deployed on a TEE Server. For local development, we offer a docker TEE Simulator so you can test your products locally before launching in a real TEE Server. _ ⁉️ WTF is TEE ⁉️ TEE (Trusted Execution Environment) is a cool CPU feature that makes your code Verifiable and Privacy-Preserving by locking it in a black box. Trusted hardware ensures even the OS or hardware can't mess with your code. For example, when you put a Web2 app in a TEE, you get Web3 out! _ ❓How is it Verifiable❓ The verifiable hardware produces Remote Attestation, which proves the exact code is running in a genuine TEE with integrity and privacy guarantees. Get the RA quote from your app and verify it on the TEE Attestation Explorer at https://dstack-sim-explorer.vercel.app _ 🌟🌟🌟 Bonus Bounty - Ledger Nano X for top prize or top 10 finish! 🚀 🌟🌟🌟

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Gnosis 3.0 vision is all about empowering developers to create full-stack decentralized applications that can transform digital economies and real-world interactions.Through Gnosis Studios, developers gain access to a suite of powerful tools—including Hashi, Gnosis Pay, and Circles—built on Gnosis Chain. As a developer, this track enables you to build cross-chain apps, DeFi solutions, and social/community driven dApps. The prize distribution would be based on quality submission and would be pooled for the best projects that utilizes any of the tools integrated.

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Dynamic allows developers to craft magical onchain sign up experiences. They offer a suite of tools for effortless log in, wallet creation and user management. Dynamic was designed for users, and built for developers.

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ENS (Ethereum Name Service) is a decentralised naming protocol for the new internet. ENS enables you to have a portable web3 username and profile. Use it to establish an online identity, simplify crypto payments for any blockchain, host decentralised websites, and more. ENS supports all DNS names (.com, .xyz, etc.) in addition to our native .eth TLD.

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Push Protocol is a Web3-native communication protocol that empowers developers to integrate real-time notifications, chat, and video into decentralized applications. By using Push, hackers can enhance user engagement and interaction directly within the Web3 ecosystem. Key Features for Hackers: Push Notifications: Send real-time, user-specific alerts about key updates or transactions. Push Chat: Enable direct messaging and community engagement within dApps. Push Video: Facilitate video calls and streaming in a decentralized context. With detailed SDKs, APIs, and guides available in the Push Docs, hackers can easily add these features to boost communication and engagement in their projects.

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We are on a mission to bridge the gap between Web2 and Web3. We are building a new category - verifiable data infrastructure. Our all-in-one infrastructure layer allows Solidity developers to extract, verify and integrate real-world data into Ethereum smart contracts, in the form of trustless claims. By integrating Web2 data i.e. Web Proofs and Email Proofs, into Web3 apps, we support a decentralised, secure, and efficient internet. Our technology is powered by state-of-the-art Zero Knowledge Proofs (ZKPs) and optimised to provide the best developer experience on EVM-compatible blockchains. Our four Solidity features (i.e. vlayer superpowers): - Time Travel - Leverage history of on-chain data in your contracts. - Teleport - Compute cross-chain data from EVMs. - Web Proofs (also known as zkTLS) - Bring private Web2 data on-chain. - Email Proofs (also known as ZK Email) - Tap into the trusted contents of emails. Benefits of building with vlayer: - You can use Solidity and existing tooling, such as Foundry - No needs to learn new DSLs or programming languages - Access key data sources directly from your Solidity smart contract on any EVM-compatible blockchain

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Mantle is building a comprehensive on-chain ecosystem powered by innovative token-governed technologies designed to support developers and projects across Web3. With Mantle Network, an Ethereum Layer 2 solution, builders can leverage a modular architecture that enhances scalability and security through separation of execution, data availability, and finality. Additionally, Mantle’s mETH Protocol offers ETH liquid staking, allowing builders to explore DeFi innovations by using staked Ether ($mETH) to unlock new use cases in yield generation and asset management. Supported by a $200M EcoFund and Builder Grants Program, Mantle provides a robust foundation for developers looking to push boundaries in areas like real-world assets and Web3 gaming.

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CoW DAO is on a mission to make DeFi safe and seamless for all. It does this by developing user-protective products like CoW Swap (the most-traded DEX frontend, by volume – recently surpassing both Uniswap and 1inch), CoW Protocol (the #1 intents-based exchange protocol, with the most robust solver competition in DeFi), MEV Blocker (the leading MEV-protecting RPC endpoint), and CoW AMM (the first MEV-capturing AMM). -------------------------------------------------------------------------------------- CoW Protocol works by separating trade intents from trade executions – giving users the ability to express any DeFi-related intent imaginable, while delegating trade execution to sophisticated matching engines called solvers. Ultimately, this results in better prices for users, while protecting them from bad outcomes like MEV exploitation. In addition to hosting the largest solver competition in DeFi, CoW Protocol has the most-advanced developer framework of any DEX. Programmatic Orders let developers deploy orders that execute perpetually into the future based on arbitrary conditional logic, and CoW Hooks let developers chain swaps together with any other DeFi action (ie: simplifying advanced DeFi actions). The sky is the limit! -------------------------------------------------------------------------------------- CoW AMM is the first MEV-capturing AMM. Only CoW Protocol solvers are allowed to trade against CoW AMMs, meaning that – since solvers win auctions by offering users more surplus – CoW AMM pools grow by capturing value for LPs that would normally go to arbitrage bots. Because liquidity pools auto-rebalance and protect LPs from LVR, they behave like enhanced index funds that (according to portfolio theory) reduce risk and increase return for tokenholders. -------------------------------------------------------------------------------------- Submissions will be judged on creativity and utility. We will only accept working prototypes.

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Circle’s stablecoins and full-stack development tools make it faster, easier, and safer to bring the benefits of blockchain to your business. Their suite of smart contracts, APIs, and SDKs are designed to get you off the ground quickly and securely. Circle’s bounty invites you to build real-world solutions with Circle's developer tooling with some examples below. Please be clear what bounty you are submitting for as a part of your submission! Popular use cases for solutions to build with Circle Developer Platform * Cross-border payments: Build an application that uses the blockchain for cost-effective international money transfers.. * Dollar access: Build an app that provides global access to digital dollars * DeFi: Build a DeFi-enabled application with activities such as trading, lending, and saving using USDC and/or EURC. * Emerging Use Case: Build an application that focuses on innovative solutions with novel and bespoke use cases that may not fit into the above categories.

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Ledger is a technology company that specializes in hardware wallets, which are secure devices designed to protect and manage cryptocurrencies. Ledger has become one of the most trusted names in the cryptocurrency industry by allowing users to securely store their private keys, reducing the risk of hacking and theft. As one of the main actor of this ecosystem, security, user experience, interoperability, education and awareness are our key priorities to help make the ecosystem safer, more accessible, and easier to navigate for users around the world.

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Inco (short for Incognito) is the universal confidentiality layer of Web3, powered by fully homomorphic encryption (FHE) and secured by Ethereum, enabling the development of next-frontier decentralized applications (dApps), providing confidentiality to existing blockchains and breaking down the final barrier to Web3 adoption at scale. Utilize our cutting-edge FHE (fully homomorphic encryption) tech to deploy confidential smart contracts with our fhEVM (FHE + EVM). Solidity knowledge is all you need, as our fhEVM streamlines the cryptography complexities.

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The Chiliz Chain is the open layer 1 protocol for sport and entertainment, supported by the business infrastructure of the Chiliz Group. Socios.com was built on top of the first iteration of the Chiliz Chain, together with our native utility token asset class - Fan Tokens.

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Hedera is an open-source, decentralized layer 1 network that operates on a proof-of-stake model, using the innovative hashgraph consensus algorithm. This algorithm is leaderless and provides strong security through asynchronous Byzantine Fault Tolerance (aBFT). The network is governed and operated by a diverse and decentralized council of top enterprises, universities, and web3 projects globally, ensuring responsible and transparent governance.Hedera's optimized EVM smart contracts enable developers to easily build applications using familiar EVM-based tools and infrastructure, and facilitate smooth deployment or migration across multiple chains. In addition, Hedera offers native services for tokenization and consensus. The Hedera Token Service (HTS) enables developers to create and manage native digital assets that interact with the EVM. These tools empower developers to build robust, real-time web3 applications and ecosystems, making the vision of a more connected and efficient internet a reachable goal.Hedera provides deterministic finality within 3 seconds, low fixed and predictable transaction fees, and fair transaction ordering with consensus timestamps. Its robust and scalable infrastructure makes it a reliable choice for developers.