Hashfire.xyz – GoDaddy customer – (United States)
Innovative developers use .xyz domains to build at the intersection of AI and blockchain technology. Decentralized platform GetOro.xyz aims to empower individuals to contribute private data to AI development. AI-deployment platform Fleek.xyz strives to revolutionize app and AI agent deployment with decentralized infrastructure. Payments platform Skyfire.xyz combines AI and blockchain to enable autonomous payments for AI agents.In this week’s #AIMonday, we’ll introduce you to a document authentication protocol turning contracts into programmable, verifiable digital assets: Hashfire.xyz.
Hashfire.xyz is the online home of Hashfire, a protocol designed to help secure, verify, and monitor digital agreements using blockchain technology. The platform uses cryptographic techniques and a system called the “Triangulation of Truth” (which includes checks from the user, Hashfire, and a database) to help ensure that documents remain unchanged from the moment they’re created. According to the team, Hashfire is designed to connect digital assets to the documents that govern them by storing everything on a blockchain. In May 2025, Hashfire participated in Avalanche Summit in London, a global conference for blockchain and web3 development, where the team shared how their protocol converts contracts into programmable, auditable digital assets.1
Hashfire integrates AI into its infrastructure to support use cases in decentralized finance (DeFi). According to their blog post titled The Future of AI in DeFi: How HashfireAI is Unlocking Self-Sovereign Assets, HashfireAI interprets and analyzes tokenized documents to support autonomous asset management and capital deployment. This AI-driven system is designed to help contracts like invoices, procurement agreements, and SAFE notes become self-sovereign digital assets that can be traded, collateralized, or used in lending protocols. The platform also applies privacy-preserving cryptographic techniques, such as zero-knowledge proofs and fully homomorphic encryption, to help ensure compliance and confidentiality when bringing real-world assets on-chain.
Hashfire is led by CEO John Belitsky, who co-founded the company in 2025. John brings prior leadership experience as Co-Founder of Balcony Technology Group and as President CEO of Abraham + Martin, a firm specializing in real estate investment banking, mergers and acquisitions, investment sales, debt and equity placement, and commercial leasing—a role he has held since 2006. His background spans technology and media ventures across the New York and New Jersey region.
Selecting Hashfire.xyz as its domain reflects the project’s positioning at the intersection of cryptography, blockchain, and AI. .XYZ is widely used among projects in emerging technology fields and can support a future-facing identity that stands apart from traditional industry conventions. Hashfire also uses a branded email address ([email protected]), which provides a consistent point of contact across communication channels. Using a branded email tied directly to the project’s domain can help reinforce authenticity when interacting with stakeholders, including DeFi protocols, partners, and enterprise users. This approach supports a cohesive digital presence and helps the team communicate in a way that aligns with their mission of linking documents, data, and digital assets through cryptographic trust. You can learn more by following the platform on LinkedIn and X/Twitter @hashfirexyz, and by visiting Hashfire.xyz.
1.https://www.avalanchesummitlondon.com/MagicBlock.xyz – Namecheap customer – (Singapore)
Blockchain developers use .xyz domains to showcase cutting-edge solutions. Data availability network Dill.xyz aims to revolutionize blockchain performance. Blockchain platform Conduit.xyz seeks to simplify rollup deployment with streamlined solutions for onchain data interaction. Decentralized storage platform Walrus.xyz develops scalable data recovery and verification tools. In this week’s #BlockchainThursday, we’ll introduce you to a platform designed to support real-time, low-latency blockchain applications with Solana-native infrastructure: MagicBlock.xyz.
MagicBlock.xyz is the online home of MagicBlock, a real-time execution engine designed to extend the performance of the Solana blockchain for fully onchain games and applications. A real-time execution engine processes transactions and updates with very low delay, helping applications respond instantly to user actions. The platform introduces ephemeral rollups (a custom runtime environment that allows for ultra-low latency transactions, horizontal scaling, and minimal or zero fees) while maintaining compatibility with Solana’s core features and composability. According to a press release from April 2025, MagicBlock raised a $7.5M Seed round led by Lightspeed Faction, with participation from Maven11, Delphi Digital, Robot Ventures, Mechanism Capital, and others. The raise followed a $3 million investment in September 2024 led by a16z CSX.1
The platform is designed to help developers build applications that require faster performance, lower costs, and the ability to handle large volumes of activity; challenges that can affect many blockchain systems. According to the website, MagicBlock introduces a model called ephemeral rollups, which temporarily shifts certain processes to a separate environment. This setup is intended to support features like low-latency execution and gasless transactions. Programs remain compatible with Solana’s main network, so updates made to Solana can still apply without needing to make major changes. Developers can continue using familiar tools and languages, while a routing system directs activity between the main network and the rollup environment. MagicBlock is currently being used in areas such as trading platforms, online games, real-time messaging, and live pricing tools.
MagicBlock is founded by Andrea Fortugno and Gabriele Picco. Andrea previously worked at Provable Things, a company geared towards helping smart contracts connect to real-world data, where he contributed to the growth of the cross-chain liquidity protocol pNetwork. Gabriele brings a background in AI and research engineering from IBM, where he worked on zero-shot and few-shot learning models as part of the AI for Accelerated Discovery initiative. The co-founders began developing MagicBlock to address scalability issues in onchain gaming and have since expanded its scope to broader high-performance use cases.
MagicBlock has upgraded from MagicBlock.gg to MagicBlock.xyz, a move that aligns with their focus on next-generation blockchain infrastructure. The transition to a .xyz domain reflects their commitment to building innovative, scalable technology for high-performance, onchain applications. As a domain extension favored by forward-looking developers and Web3 platforms, .xyz offers the flexibility and neutrality suited for a project evolving beyond gaming into finance, AI, and real-time infrastructure. With MagicBlock.xyz, the team affirms their role in shaping the future of decentralized development while maintaining a domain identity built for scale and adaptability. You can learn more by following the platform on LinkedIn and X/Twitter, joining the Discord, and by visiting MagicBlock.xyz.
1.https://www.prnewswire.com/news-releases/magicblock-raises-7-5-million-to-bring-real-time-app-specific-extensions-to-solana-302437827.htmlWarlock.xyz – Cloudflare customer – (United States)
Innovators use .xyz domains to develop new infrastructure for finance, technology, and the decentralized web. AI-driven platform Halliday.xyz develops agentic protocol to streamline multi-chain digital workflows. Programmable datachain Irys.xyz introduces a model for onchain data interaction. VC firm Greenfield.xyz supports early-stage teams building decentralized infrastructure. In this week’s #WebsiteWednesday, we’ll introduce you to a software firm building onchain trading tools to help protocols recapture value from their own order flow: Warlock.xyz.
Warlock.xyz is the online home of Warlock Labs, a software firm developing systems geared toward low-latency and high-fidelity data, with a specific focus on responsible onchain trading infrastructure. The company aims to address inefficiencies and imbalances in Ethereum’s order flow market by building tools that help protocols recapture value from their own data. In March 2025, Warlock Labs announced an $8M funding round led by Polychain Capital, with participation from Greenfield.xyz, Reciprocal Ventures, Symbolic Capital, Ambush Capital, and TRGC.1
According to their website, Warlock Labs is developing a proprietary searcher-builder system called Shackleton. Designed for use with Ethereum-based protocols, Shackleton aims to help identify and recapture maximal extractable value (MEV), which refers to the potential profit from reordering or inserting transactions within a block. Shackleton includes:
These tools are intended to reduce dependency on a small number of dominant block builders and return more value to protocol developers and their users.
Warlock Labs is founded by two pseudonymous MEV engineers, Grug (CEO) and Alcibiades (CTO). According to a post from Greenfield.xyz, both co-founders have backgrounds in quantitative finance and machine learning, and previously led successful crypto trading operations. 2Grug is credited with contributing to software used by over 40% of the Ethereum network, while Alcibiades has experience in infrastructure engineering at Bloomberg and DE Shaw. The broader team includes individuals with experience at Citadel, CERN, Tower Research, and Brookhaven National Laboratory.
Warlock Labs uses Warlock.xyz for its digital home, aligning with a growing trend among blockchain and cryptography projects that adopt the .xyz domain to signal innovation and adaptability. As Warlock Labs works to build infrastructure for a more equitable and transparent DeFi market, the use of a concise and globally recognized domain helps reinforce the company’s focus on forward-thinking technology. You can learn more by following the firm on LinkedIn and X/Twitter @warlock_xyz, and by visiting Warlock.xyz.
1.https://www.coindesk.com/business/2025/03/27/warlock-labs-raises-usd8m-to-shake-up-on-chain-order-flow 2.https://greenfield.xyz/2025/03/27/backing-warlock-labs-navigating-the-cross-chain-mev-dark-forest/PrimusLabs.xyz – GoDaddy customer – (Hong Kong)
Innovative developers use .xyz domains to build at the intersection of AI and blockchain technology. Blockchain network Ambient.xyz is designed for verified AI and distributed intelligence. Crypto startup CryptoPond.xyz powers decentralized AI innovation for blockchain applications. Programmable datachain Irys.xyz introduces a model for onchain data interaction. In this week’s #AIMonday, we’ll introduce you to a platform developing cryptographic tools for private AI computation and data exchange across decentralized systems: PrimusLabs.xyz.
PrimusLabs.xyz is the online home of Primus, a project developing cryptographic infrastructure to improve privacy, data verification, and encrypted computation across decentralized systems. The project aims to serve as a secure middleware layer that connects blockchain platforms and AI applications with trusted off-chain data. In February 2025, Primus raised $6.5M in pre-seed and seed funding. The investment rounds were led by Dispersion Capital, Symbolic Capital, and VanEck, with participation from Samsung Next, Alchemy, Maelstrom, and others.1
The project is designed to address the growing demand for verifiable AI systems and data privacy in decentralized ecosystems. According to its documentation, core technologies include zkTLS (which fosters encrypted data verification without revealing the data itself) and zkFHE (a protocol that allows computations on encrypted data). These tools are designed to support use cases such as confidential auctions, private messaging, and secure AI agents. The team offers open APIs and describes the platform as chain-agnostic, meaning it can operate across different blockchains. Primus also highlights performance improvements, noting zkTLS is over 10 times faster than comparable tools and zkFHE offers up to 340 times faster proving times, helping make encrypted computation more viable in real-world scenarios.
Primus is led by co-founder and CEO Dr. Xiang Xie, a cryptography engineer with experience at blockchain technology company O(1) Labs and a background in algorithm science and security architecture roles. According to his LinkedIn profile, Xiang has worked in cryptographic research and development for over a decade, contributing to the design of security algorithms and privacy-focused technologies.
Using PrimusLabs.xyz as its online home reflects the project’s emphasis on future-focused digital identity. .XYZ aligns with a growing trend among blockchain and AI projects that prioritize openness and innovation. Its versatility and global recognition make it suitable for projects aiming to reach diverse communities across decentralized ecosystems. You can learn more about the innovative project by following along on X/Twitter, joining the Discord, and by visiting PrimusLabs.xyz.
1.https://www.ainvest.com/news/primus-raises-6-5m-privacy-focused-encryption-blockchain-2502/U2U.xyz – GoDaddy customer – (Vietnam)
Developers use .xyz domains to advance blockchain technology and develop useful solutions. Blockchain platform Fluent.xyz supports cross-VM app development with real-time composability. Layer-2 blockchain Atlas.xyz aims to deliver low-cost, reliable solutions for verifiable finance. Tech startup Narval.xyz is focused on simplifying web3 wallet management. In this week’s #BlockchainThursday, we’ll introduce you to a Layer-1 platform designed to power decentralized physical infrastructure at scale: U2U.xyz.
U2U.xyz is the online home of U2U Network, a modular layer-1 blockchain designed to support Decentralized Physical Infrastructure Networks (DePIN). It integrates Directed Acyclic Graph (DAG) technology with the Helios Consensus protocol to deliver scalability, security, and speed for enterprise applications. The platform is tailored for industries such as telecommunications, AI, and Internet of Things (IoT), offering infrastructure that supports decentralized use cases. In 2024, U2U Network announced that it had raised $13.8 million in funding from investors including KuCoin Ventures, Chain Capital, and JDI Ventures.1
According to its litepaper, U2U Network addresses the limitations of traditional blockchains by combining a Directed Acyclic Graph (DAG) architecture, which organizes transactions in a structure that allows for faster processing, with the Inter-ledger Protocol, a system designed to enable transactions across different blockchain networks. The network aims to support:
One of its core products, the decentralized VPN service U2DPN, operates through a global network of over 71,000 nodes (independent computers that participate in the network) and is designed to offer secure, low-latency connectivity. The VPN is intended for use cases requiring high levels of security and privacy, particularly in sectors such as artificial intelligence (AI) and the Internet of Things (IoT).
U2U Network is led by a team of co-founders with backgrounds in blockchain, business, and technology. According to the website, Luu Tran serves as Co-founder and CEO, with Trang Phung as Co-founder and Co-CEO, and Tran Tuan Anh as Co-founder and COO. The team includes contributors with experience at early Ethereum initiatives, Google, and Y Combinator-backed companies in Vietnam. The network reports a core team of 100 people and emphasizes its goal to develop hardware-focused decentralized infrastructure through a long-term approach.
U2U Network secured U2U.xyz for its domain name. The choice of a .xyz domain aligns with its position in the emerging decentralized infrastructure ecosystem. The domain provides a concise and memorable web address that reflects the network’s focus on next-generation blockchain solutions. You can learn more by following the project on X/Twitter @u2u_xyz and LinkedIn @u2u-xyz, and by visiting U2U.xyz.
1.https://cointelegraph.com/press-releases/u2u-network-successfully-closes-funding-rounds-with-138-million-raised
