Top 50 Payments VC Funds & Investors in Singapore (July 2026)

Portfolio highlights

• Finbits — Fintech company formed by co-founders with digital product background. The startup is solving major financial problems faced by entrepreneurs in LatAm: time wasted with non-core activities and difficult access to financial products. Finbits is developing an all-in-one finance solution for LatAm SMB. This new solution saves 80% of back-office costsand allows users access to financial products. This new financial OS integrates bank accounts, payment means, third-party ERP, and accounting software already available in the ecosystem. The new platform leverages modern technology and a data driven architecture to provide intelligent insights and financial products.
• Musa — Musa is a smart city solution providing a platform that efficiently connects waste generators, haulers, and recyclers. Our mission is to guarantee that all waste becomes raw material directed to a productive chain of reuse. This is what connects us, a world without waste where everything can be reused. We want to transform the waste managementindustry by leveraging technology and developing new business models ensuring economic, social, and environmental impact.
• Membrane — Membrane is AI for product integrations. Describe what you need, watch integrations build, test and maintain themselves.We exist to let any product connect to any other reliably, safely, and at scale, by turning intent & customer needs into integrations with AI.Our platform offers the state-of-the-art solution in the AI Age for productintegrations:Membrane Agent builds integrations for one or multiple apps at once, choosing correct API calls, field mappings, and data structuresMembrane Engine is the configurable infrastructure that you or any agent can play with. It contains actions, events/webhooks, flows, data collections, unified API models, field mappings, and schemas & more used to build and maintain integrations at scale.Membrane Packages - integration code that is purpose built for your use case, that you can deploy in your IDE.Membrane is used by 100+ B2B SaaS companies like Constant Contact, PandaDoc, Dialpad, Storyblok & many others as their preferred integration partner

Portfolio highlights

• CAEX — CAEX is a crypto asset exchange operator. CAEX builds transparent and secure crypto asset trading platform for investors.
• Coinone — Coinone is the cryptocurrency exchanges. Under the vision to ‘Bring Blockchain into the World,’ they aspires to lead the new world of finance through blockchain technology. They currently operates the third largest exchange. They prioritizes the protection of clients’ assets and is dedicated to providing the most secure investing environment.
• townsquare — TownSquare is a DeFi platform for cross-chain lending, leveraged yields, and on-chain asset strategies.

Portfolio highlights

• AKEDO — AKEDO is a AI framework that creates and designs engaging games.
• Diadia Health, Inc — An AI medical reasoning platform that helps clinicians analyze the root causes of symptoms and create personalized protocols that drive better outcomes.
• Tools For Humanity — Tools for Humanity is a technology company building for humans in the age of AI.

Portfolio highlights

• Kapkap — Kapkap is a web3 platform that uses AI for attention based value distribution in gaming.
• SuperIntent —
• Inference Labs — AI hyperscale on decentralized networks - We provide certainty for on-chain AI

Portfolio highlights

• Sapyen — We take the fear out of infertility for men. Test for it at home, without stepping out to the hospital and get personalised health recommendations to improve sperm health and increase your chances of conceiving.
• Visoid — Render your 3D models with ease! Quick and easy rendering software for architects, powered by AI. Try Visoid for free!
• One Key Access — One Key Access is an interface to the world of couriers to enable 24/7 frictionless deliveries.

Portfolio highlights

• Itheum — As we enter the web3 and metaverse era; Itheum unlocks data silos and generates new value for your data.
• OP_NET —
• Watch.fun —

Portfolio highlights

• easy.fun — Easy.fun operates as a social trading platform focused on decentralized, on-chain trading with features like live strategy sharing, one-click copy trading, and community-driven interactions.
• Rhythmic —
• Morpho Labs — Morpho is an open credit network that connects lenders and borrowers to the best possible opportunities worldwide.

Portfolio highlights

• Warung Pintar — Platform digital terpercaya untuk membantu warung tradisional Indonesia tumbuh bersama teknologi.
• Flutura — Accenture discusses how to maximize business potential with Accenture's Industrial Intelligence Suite. Read more.
• Ace Turtle Omni Pvt Ltd — We help retail businesses in India, Singapore & Malaysia convert multichannel sales & marketing strategies to omnichannel on marketplaces & own websites

Portfolio highlights

• DEXTF — Democratized crypto management protocol that allows you to invest in multiple assets cheaply and easily. Create your own fund or invest into one of the many existing funds today.
• Accredify — Build digital trust for your organisation with verifiable information. Issue instantly verifiable digital documents and simplify document management processes.
• Merkle Science — Next generation crypto threat detection, risk management and compliance for businesses, banks and government agencies. Sign up now

Portfolio highlights

• GENCY AI — Gency AI is a Web3 platform for privacy-focused, verifiable digital ads using encrypted data and proof-based tracking.
• T-Rex — T-Rex is a new blockchain ecosystem intended specifically for consumer-facing applications, with the goal of transforming the Web3 attention layer via its revolutionary Proof of Engagement (PoE).
• Bitlight Labs — Make Bitcoin Smart

Portfolio highlights

• Anichess — Anichess develops a decentralized chess game.
• EarlyFans — Welcome to EarlyFans! A new way to find your favorite creators, support them early, and get rewarded for it.
• CELL Studio — A blockchain software development company with a dedicated focus on the BTC ecosystem, committed to advancing the Nervos BTCKB initiative

Portfolio highlights

• t54 Labs — t54 Labs provides AI-driven financial services, facilitating agent-initiated transactions and comprehensive other services.
• SOON — SOON is building the highest throughput stack that allows for any SVM L2 to be deployed on any L1.
• ChainOpera AI — The Blockchain and Protocol for Co-owning and Co-creating Decentralized AI Apps and Agents for Humanity. Backed by Federated AI OS and Platform

Portfolio highlights

• D3 — D3 - DNS Domains for Web3
• Share — Share XYZ is an information technology service provider
• Forta Protocol000 — Powered by the most advanced AI detection model, Forta Firewall integrates with protocols and rollups to prevent over 99% of hacks.

Portfolio highlights

• MixRift — MIXRIFT - game developers specialized in Mixed Reality
• unspun — From 3D scan to perfect fitting custom jeans. unspun makes each pair of jeans unique to your actual body and design. On a mission to reduce global carbon emissions by 1%. As seen in Fast Company's World Changing Ideas, Time's Best Inventions, and PopSci's Best of What's New. Welcome to the future of apparel.
• Mesa Quantum — Unlock the potential of chip-scale quantum sensing for enhanced Position, Navigation, And Timing capabilities. Explore Mesa Quantum's practical solutions.

Portfolio highlights

• Axis — Axis provides infrastructure for global price synchronization and yield generation.
• Zoo Finance — Zoo Finance is a pioneering DeFi protocol focused on unlocking liquidity from locked assets, empowering users to access capital more efficiently while maximizing the utility of their on-chain holdings.
• Hypernova — Hypernova is an on-chain proprietary (prop) trading platform built on the Hyperliquid Layer-1 blockchain, designed to bring the traditional prop trading model fully on-chain with transparent, automated rules.

Portfolio highlights

• PERL.eco — The Planetary Ecosystem Registration Ledger will be a dedicated blockchain for real-world ecological assets through tokenizing carbon credits and biodiversity, NFTs and decentralised (DeFi) rewards.
• Meter.io — Meter.io is a base layer hybrid consensus protocol built to address the volatility, scaling and interoperability problems in the existing cryptocurrencies.
• Injective — Explore Injective: the high-performance blockchain powering decentralized finance, governance, and next-gen Web3 apps with unmatched speed and scale.

Portfolio highlights

• Obita — Obita provides enterprise-grade borderless payment infrastructure for fiat and compliant stablecoins, supporting global collections, payouts, and treasury operations.
• SignalPlus — SignalPlus is a leading platform for digital asset options trading, providing professional tools and insights.
• Solana Company —

Portfolio highlights

• StripChain — Stripchain is an intent-based interoperability standard that enables chain abstraction.
• Nest Wallet — A Wallet Built for Traders
• Switchboard — Switchboard allows builders to unlock the power of solana by creating high-performance data feeds from any API. They will bring data on-chain that will enable developers to unlock the future of decentralized applications. They enable the SOL community to push any form of data on-chain.

Portfolio highlights

• Nava labs — Nava labs is the developer of AI control infrastructure designed to verify and secure the execution of AI agents in financial environments.
• Digital Asset — As leaders in blockchain technology, Digital Asset empowers customers with Daml, the leading platform for multi-party applications; an innovative smart contract language and Canton, our privacy-enabled distributed ledger technology.
• M0 —

Portfolio highlights

• SIBEX — Trade securely and directly between BTC and any ERC20 - Atomic cross-chain swaps. No Account Creation. No middlemen. Global Liquidity.
• OceanEx — OceanEx is one of the fastest-growing and reputable cryptocurrency exchange.
• BlockSeer — Raw data; real insight. Built for Bitcoin mining teams that want answers, not overhead. Free Bitcoin transaction explorer and wallet monitoring tool.

Portfolio highlights

• AltLayer — AltLayer is a system of highly scalable application-dedicated execution layers that derive security from an underlying L1/L2.
• Panoptic — The Panoptic protocol enables the minting, trading, and market-making of perpetual put and call options.
• Mask Network — Your Portal To The New, Open Internet.

Portfolio highlights

• Una Brands — Ready to sell your e-commerce business? We'll make the process fair, fast, and fuss-free. Continue to profit as we grow your brand.
• Hangry — Hangry is a multi-brand restaurant company focusing on serving great foods through food delivery channels. We own several food brands ranging from fried-chicken to coffee. We focus in designing foods that are very tasty, consistent, and affordable to the mass market. All our recipes have gone through tons of testing to make sure each bite is reallydelicious.
• HistoSonics — HistoSonics provides the Edison Platform, which uses advanced imaging and proprietary sensing technology to deliver non-invasive, personalized treatments with precision and control, and uses the science of histotripsy and focused sound energy to generate pressures to liquify and completely destroy targeted tissues at sub-cellular levels.

Portfolio highlights

• Reposwap — RepoSwap offers seamless token launches, optimized liquidity provision, and robust community governance. Key features include a VC Launchpad, Crosschain DEX, and Advanced Staking options.
• Daydaycook — DayDayCook was founded in December, 2012. They are Hong Kong’s largest cooking multimedia platform and have community with monthly users totaly more than 400,000. Today, as more and more users aspire to a higher quality of life, food safety, and health, DayDayCook has become a platform for original recipes and cooking advice, helping their users tomaintain a healthy lifestyle.DayDayCook inspires a young generation to cook and enjoy both traditional and modern Asian recipes through a variety of distribution channels including digital and traditional publishing with high quality and easy-to-follow recipes.DayDayCook has millions of monthly viewers over its broad reach including website, mobile apps, videos, and books. With a strong and dedicated fan base including over 275,000 Facebook fans, DayDayCook also brings goods to the consumer through its e-commerce store 'The DayDayCook Shop'
• DDC Enterprise — DDC Enterprise

Portfolio highlights

• Gamium — Gamium is a Web3 and Metaverse technology company building the truly Decentralized Social Metaverse.
• MonkeyLeague — MonkeyLeague is a video game company. They develop PC and console-based NFT games. The company offers a turn-based, play-and-earn multi-player soccer game that provides monkey NFTs of genetic composition formulated from 32 traits.
• Alliance Games — Build Beyond Limits. Multiplayer for the Next, Decentralized Era.

Portfolio highlights

• ZingBox — ZingBox is a U.S.-based company that provides security for Internet of Things infrastructure. It is based in Mountain View, California.
• Boston Power — Boston-Power has developed the Sonata technology platform, which is a battery they say charges faster, lasts longer, performs better and is safer than what's currently on the market. The technology will be used in many consumer electronic devices including laptops, PDAs and mobile phones.In January of 2008, Boston-Power announced a newpartnership with Chinese battery manufacturer GP Batteries to step up production of Sonata batteries.
• Protean Electric — Protean Electric is an automotive technology firm. As the world leader of in-wheel motor technology, we provide a stand-alone electric drive solution with software that enables digital vehicle control and enhances customization. ProteanDrive motors use patented technologies, digital control, and are packaged with a friction brake. Designed towithstand 300,000 km vehicle lifetime, they deliver torque vectoring, 90 degree turn radius, and a digital control platform that can support a range of AI and cloud based services including autonomous EV sensors, digital ABS, vehicle diagnostics and road condition data. ProteanDrive provides opportunities for full EV and Hybrid vehicles in all segments from TaaS, to conventional vehicle programs including heavy trucks.

Portfolio highlights

• IOTrader — IOTrader is a financial technology company operating a high-volume perpetual decentralized exchange (DEX). Specializing in decentralized finance (DeFi), the platform provides secure, audited cryptocurrency trading for tens of thousands of active monthly users.
• Tomoland — Tomoland is a social gaming platform where users create avatars, worlds, and multiplayer experiences.
• Midas — Structured Products, Onchain.

Portfolio highlights

• Tazapay — Experience Tazapay's best-in-class global payment solutions for businesses. Our extensive network supports cards, local payment options, and bank transfers in over 173 countries, ensuring seamless collections, secure holding, and efficient payouts worldwide.
• DePay — DePay is an Argentina-based real-time payments infrastructure startup.
• The Giving Block — The Giving Block makes it easy for nonprofits to accept non-cash donations like crypto and stocks for 2,000+ nonprofits. The Giving Block is the largest platform that helps nonprofits accept crypto and stock donations. In 2022, it was acquired by Shift4, a publicly traded payments company.

Portfolio highlights

• Enhanced — Enhanced is a crypto/DeFi startup building next-generation structured product infrastructure on the blockchain to help users earn higher yields on their crypto assets using derivative strategies.
• Neuramint — The premier development platform for building autonomous AI agents on Web3. Create, deploy, and manage intelligent workflows across DeFi, NFTs, and blockchain ecosystems.
• Cambrian — Cambrian is an AI infrastructure protocol that creates quickly available financial insight from offchain and onchain data. A decentralized network of validators which catalog blockchain data and quickly extract offchain data powers Cambrian's capabilities.

Portfolio highlights

• JuniGo — JuniGo is a financial technology company that provides a digital wallet and payment platform for micro, small, and medium enterprises.
• Takenos — Takenos provides the best way to get paid in LATAM for freelancers and contractors.
• SuperIntent —

Portfolio highlights

• Cowboy Snake — Cowboy Snake is the TvT play-to-earn game inspired by snake on the blockchain. Cowboy Snake is a product of OrenCT Ltd.
• Formless — Formless enables gamers, NFT enthusiasts and digital collectors to find their favourite game while helping games find their targeted fans.
• Clear Protocol — Clear Protocol, Inc. is a healthcare IT company. Our product, Clear Protocol, is Software-as-a-service for hospitals, clinics, and medical offices.

Portfolio highlights

• Elixir — Powering deUSD, a yield bearing and fully collateralized decentralized dollar on the Elixir Network, bringing institutional-grade liquidity to RWAs.
• Hashflow — Tight spreads. Zero slippage. MEV-resistant.
• Frontrunner — Alexistogel atau di kenal sebagai alexistoto adalah salah satu situs slot yang sudah terpercaya dengan banyaknya yang ingin maxwin hari ini

Portfolio highlights

• IWG — IWG is a medical start-up that provides cloud-based solutions for medical resource shortages and work support tools.
• OrtCloud — OrtCloud provides specialized cloud infrastructure optimized for AI agents and workloads requiring deterministic, predictable performance.
• Sampingan — Sampingan is an Indonesian company that connects businesses through their platform with selected and trained freelancers for easily doable task-based jobs that provides agents with temporary work. The company was founded in 2018 and is based in Jakarta, Indonesia.

Portfolio highlights

• Cycles — Cycles functions as a decentralized clearinghouse and reduces outstanding short-term obligations before settlement.
• aPriori — aPriori is a monad-native MEV infrastructure and liquid staking mechanism developed for parallel executions.
• Opinion Labs — Opinion Labs is a decentralized intelligence platform. It has developed O.LAB which provides financial information and intelligence. Its products encompass prediction and opinion markets.

Portfolio highlights

• Zabo — Zabo is an API for connecting to any crypto exchange, wallet, protocol or account. Sign up for access to free API keys at Zabo.com
• Joystream — Joystream is a block chain-based, decentralized video platform.
• Ceramic Network — Ceramic Network is a provider of protocols for decentralized and composable data applications. The network decentralizes application databases, making data universally composable and reusable across applications. It consists of three core parts: a highly-scalable, decentralized infrastructure for data availability and consensus, a marketplace ofcommunity-created data models, and a suite of standard APIs for storing, updating, and retrieving data from those models.

Portfolio highlights

• Megapot —
• Rhythmic —
• Teleport — Meet your most compatible connections. Attend members only curated experiences. Receive proposed matches from your AI Matchmaker.

Portfolio highlights

• Depinsim — DepinSim is a blockchain-based eSIM platform that lets users access global mobile data and earn rewards.
• Superset —
• ZenChain — ZenChain is a Layer-1 blockchain focused on secure, EVM-compatible smart contracts and cross-chain interoperability.

Portfolio highlights

• Elsa — Improve your English speaking skills. Pronounce English like an American through real-world conversations.
• Xinmaide — Xinmaide focuses on the specialized fields of pulmonary drug delivery, nasal drug delivery, and brain drug delivery devices, dedicating its efforts to the research, design, and development of advanced medical technologies that improve how drugs are administered and absorbed in the body.
• Stride — Stride is a forward-thinking renewable energy firm to advance a sustainable future by providing eco-friendly home renovation projects, smart home technology, energy-efficient products, and solar energy access to every household.

Portfolio highlights

• Derivio —
• TokoCrypto — Trading Investasi Crypto & Bitcoin. Reward USDT & cashback. Deposit gampang BCA, QRIS, Mandiri, GoPay. Berizin & diawasi oleh OJK.
• Joystream — Joystream is a block chain-based, decentralized video platform.

Portfolio highlights

• Dat Bike — Dat Bike - maker of Weaver, the most powerful electric motorbike in Vietnam.
• Showroom B2B — SHOWROOM B2B is building the largest B2B “Phygital” platform for India’s $108 Bn fashion industry by connecting Tier 2+ clothing retailers directly with small to mid-scale apparel manufacturers and providing all parties with solutions for distribution, credit, logistics, and marketing.Showroom works on “Touch & Feel” mode of selling where itsunique distribution model ensures that there is almost NO RETURN of products sold. It creates Experience Centres for its retailers which gives them the confidence to buy without any iota of doubt about product quality.Showroom's offerings = Better Margins for Clothing Retailers + Aggressive Growth for Clothing Manufacturers
• BetterPlace — Asia's leading full-stack platform for frontline workforce management. Hire, verify, onboard, train and pay 25M+ workers across India, SEA and GCC.

Portfolio highlights

• Mylapay — Mylapay, a rising fintech startup, was established in 2019 and incorporates as 'Mindeed Technologies and Services Pvt Ltd' by a dynamic team of co-founders (Ex Hitachi and Worldline) who bring over 50 years of collective experience in the payment domain. Mylapay has been officially registered with the DIPP under the Startup Indiainitiative, signifying its commitment to pioneering financial technology solutions. We specialize in payment enablement, crafting cutting-edge payment solutions to simplify the complete card payment cycle. Mylapay aimed at redefining the payment processing experience with its core product line up; (3DS-Authentication: The linchpin of online commerce, turning payment security into an art form), (Authorization Switch: Your go-to solution for speed and security, ensuring high success rates with fast and safe approvals), (IntelleEngine-Transaction Processing System: An all-in-one platform that manages the post authorization transaction processing end-to-end) Our aim is to transform Mylapay into a holistic tech ecosystem for all your acquiring payment processing needs. We offer cloud-based solutions that equip Payment Aggregators and Banks across the globe with complete payment processing capabilities. With us, you get a one-stop-shop for all your payment solutions, making transaction experiences smoother than ever!
• Pagaleve — pagaleve offers payment in installments at PIX, with no interest and no credit card required. They provide merchants with a new payment method in order to increase their sales in a simple, uncomplicated, and agile manner, but they also want to provide people with the opportunity to buy what they want without committing to the card'shigh-interest rates and credit.
• AIsa — AIsa is the capability layer for the Agentic Economy. Everything AI agents need to reason, act, and transact. Pay per call.

Portfolio highlights

• Novastro — Novastro is a Layer 2 chain for RWAs powered by AI that integrates MoveVM and EigenLayer AVS, delivering Ethereum-level security and Move’s scalability to unlock tokenised yield opportunities across RWAs & DeFi protocols.
• Router Protocol — Router Protocol is a Cross Chain Bridge. Currently live on Ethereum, Polygon, and more. Building an interoperable cross chain future of the blockchain ecosystem.
• Formidium — Sudrania.com offers Fund Administration, Fund Accounting, Investor Services, Taxation Services, Regulatory Filings and Financial Statements

Portfolio highlights

• ForU AI — ForU AI operates as a real-world AI agent.
• Monit — Monit menggabungkan manajemen kas, pembayaran bisnis, kontrol pengeluaran, dan kartu kredit korporat dalam satu pengalaman terintegrasi
• CrediLinq.Ai — CrediLinq.Ai is revolutionizing SME lending using AI and machine learning. They Linq artificial intelligence & machine learning with credit underwriting.

Portfolio highlights

• The Trive — The Trive is a car subscription service platform through which users can pay a monthly subscription fee to drive the car they most desire.
• DarcMatter — DarcMatter is a fintech platform that provides cloud based infrastructure for asset managers to better manage, communicate and access investors. By utilizing proprietary structuring and technology, DarcMatter is able to provide a frictionless process for both investors and private issuers while remaining fully compliant of all current financialregulations.
• Ceramic Network — Ceramic Network is a provider of protocols for decentralized and composable data applications. The network decentralizes application databases, making data universally composable and reusable across applications. It consists of three core parts: a highly-scalable, decentralized infrastructure for data availability and consensus, a marketplace ofcommunity-created data models, and a suite of standard APIs for storing, updating, and retrieving data from those models.

Portfolio highlights

• GTE — GTE is a decentralized trading platform that offers end-to-end trading services.
• Hylo —
• Sprinter —

Portfolio highlights

• Balus — Balus provides motion capture, Unity systems, and AR live permanent venues.The company provides character content infrastructure using real-time animation, we also support the production of original content. Balus provides the necessary technology for event planning, casting, VR events, recording and creation of production images, real-timemotion capture during live events, real-time transmission, event management, and systems that allow users to participate in the production.
• Aperza — Aperza's mission is to contribute to redesigning the manufacturing industry by eliminating three barriers in the industry which are the barrier of information, transaction and communication which most of companies and people often face in this industry.Manufacturing industry is Japanese core industry. We would like to contribute to therebirth of this industry by those activities such as supporting those companies who challenges the global market and supporting those start-ups who tries brand-new industry trend such as Industry 4.0, smart factory or IoT. We believe that this lead to the increase of the people in this industry, and the growth of the industry eventually.
• Monochrome — Monochrome is creating a home operating system in order to power the next generation of energy-producing homes and roofs. The company is based in Chuo Ward, Tokyo.

Portfolio highlights

• TAC — TAC is a TON network extension that allows the EVM community to access Telegram users, and it enables Ton wallet holders to easily interact with EVM dApps deployed on TAC.
• Donut — Donut is the first crypto agentic browser that uses the finest crypto in-domain model and a swarm of browsing agents.
• Stable — Stable is a blockchain infrastructure designed to facilitate compliant and predictable USDT transactions.

Portfolio highlights

• NexGami — NexGami is a gamefi platform that empowers the next generation of players by reshaping the gaming landscape.
• Bitlight Labs — Make Bitcoin Smart
• Pop Social — Pop Social is the ultimate social gateway to Web3. Experience a multi-chain social ecosystem and discover your online social lifestyle. Connect and engage with a decentralized global community to leverage content and ownership economy.

Portfolio highlights

• Portal to Bitcoin — The only custody-less interoperability protocol for Bitcoin. Swap native BTC, Ordinals, Runes with L2s and L1s
• ether.fi — EtherFi is a non-custodial decentralized ETH staking method that distributes staking to node operators in exchange for rewards.
• Azuro — Powerful tooling, oracle & liquidity solutions for any EVM predictions & gaming ecosystem

Portfolio highlights

• HyperAccel — HyperAccel provides hardware solutions for developing AI applications.
• Mithradote Bio — Mithradote Bio is a biotechnology company developing a novel medication to help prevent drug-facilitated sexual assault
• Aardvark Therapeutics — Aardvark Therapeutics specializes in small molecule therapeutics for obesity and rare genetic metabolic disorders. Aardvark Therapeutics was founded by Tien Lee in 2017.

Portfolio highlights

• Legion — Legion makes on-chain fundraising accessible to ordinary investors by ensuring regulatory compliance and investor accountability.
• Doppler Finance — Doppler Finance is a yield-earning platform that unlock earning opportunities within the XRPL ecosystem
• 180 Life Sciences — Born from Ethereum. Built for everyone