Crypto & Web3 Startups
3,505 companies tagged Crypto & Web3, with their investors and founders.
SONEX is a decentralized finance (DeFi) platform built on the Soneium blockchain, offering an all-in-one automated solution with community governance for trading and liquidity. It targets decentralized communities and DeFi users.
1 investor
Sonic SVM operates an Attention Capital Market that captures on-chain and off-chain user actions (views, clicks, social activity, wallet connections, staking, transactions) via oracles and converts them into attention scores that unlock protocol-level rewards. It offers infrastructure and analytics for developers, institutions, and individuals building on the Solana Virtual Machine.
1 investor
Sonic Labs administers the Innovator Fund, a 200 million S treasury allocation from the Sonic Foundation to accelerate adoption of applications on the Sonic blockchain and support new ventures building on-chain infrastructure and tools.
1 investor
Sonorus is a decentralized music platform that combines AI-powered composition tools (BeatMint AI) with community-driven music discovery and rewards mechanisms (TrendFi), enabling users to create and vote on music while earning through a governance token ecosystem.
1 investor
Soon is a portfolio management platform that automates buying and selling of assets across multiple exchanges using strategies like dollar-cost averaging and tax-loss harvesting. The service helps individual investors streamline portfolio creation and rebalancing.
1 investor
SophiaVerse offers SAIL (Sentience AI Labs), a metaverse gaming experience where players build relationships with AI-NPCs, customize labs and characters, and generate data to train real-world AI systems. It connects to Sentience, a blockchain-based dApp platform integrated with the SingularityNET ecosystem.
1 investor
Sora Ventures is an Asia-based investment firm that acquires and operates publicly traded companies while implementing Bitcoin treasury strategies and backing web3 and digital asset infrastructure. The firm focuses on accelerating Bitcoin adoption across Asia through operational involvement in public companies and long-term partnerships with institutional allocators.
1 investor
Sova facilitates access to private credit and regulated custody for qualified Bitcoin and Ethereum holders by coordinating direct introductions with Kraken. The company aggregates demand and advocates on pricing and terms without holding client assets.
1 investor
SpaceChain builds space-based security and key-management infrastructure for the global financial industry, offering products such as Tethys for secure digital banking, satellite mission design and manufacturing, and blockchain-integrated satellite payloads. It combines fintech and space expertise to provide secure infrastructure, SaaS, and IT consulting for clients in the US, UAE, UK, and EU.
1 investor
Space Markets operates a marketplace for the orbital economy, offering Event Markets that price and hedge mission risk (launch windows, deployments, capacity milestones) as Yes/No contracts settled in USDC on Base, and Asset Leasing Markets that connect infrastructure operators with teams needing verified capacity, with payment released after delivery is confirmed. It serves teams supplying, buying, financing, and building orbital infrastructure across launch, communications, compute, power, and lunar operations, and supports specialized agents that discover capacity, evaluate risk, and coordinate programmable settlement.
1 investor
Sparenadvisory provides advisory and back-office services for investors, including strategy design, investment education, financing solutions, and operational support on a subscription basis.
1 investor
1 investor
Slabs is building a clothing and footwear platform embedded with its LNQ One chip, enabling blockchain-authenticated physical products for Web3. It also plans a marketplace for discovering these products and augmented reality features that turn surfaces into interactive workstations.
1 investor
Spekter Games develops and publishes Web2 games with passive Web3 reward layers on chat-based super apps such as Telegram and LINE, targeting mainstream gamers. Its titles include rogue-lite survivor games (Spekter Agency, Spekter Agency: Survivor) and a cyberpunk tycoon game (Spekter City), with a cross-game points system called Sparks.
1 investor
SpendTheBits develops StableNet, an infrastructure platform that enables institutions to use stablecoins for compliant cross-border payments and digital asset transactions. The company targets financial institutions and serves as a regulatory-compliant intermediary for institutional stablecoin payments globally.
1 investor
Silicon Prairie operates an investment crowdfunding platform that allows companies to raise capital by choosing their own security types and offering terms to both accredited and ordinary investors. The platform specializes in facilitating compliant capital raises across different offering exemptions for startups and small businesses.
1 investor
SpiderDAO is a hardware-based DAO governance framework built on Polkadot that combines hardware and software tools to enable fairer on-chain voting and mitigate issues like plutocracy, vote-buying, and whale manipulation. It also provides tools aimed at bringing online privacy to end users.
1 investor
Spirit of Satoshi is an AI language model trained on data reflecting Bitcoin, Austrian economics, and Libertarian philosophies, positioned as an alternative to general-purpose chatbots like ChatGPT. The model prioritizes factual accuracy within that ideological framework rather than optimizing for harmlessness.
1 investor
Splits provides permissionless, self-custodied financial infrastructure built on open-source smart contracts, offering subaccounts, treasury management, accounting, payroll, bank transfers, invoicing, and automations. It supports fiat, stablecoin, and crypto payments and exposes an API, CLI, and MCP server so both people and AI agents can operate accounts under cryptographic access rules.
1 investor
Sportcash One builds AI chat, Web3, and gaming tools for the sports industry to increase fan engagement and help sports communities monetize. Its offering includes an NFT marketplace and tokenization for sports.
1 investor
Spree provides an SDK and settlement layer that lets brands offer instant, spendable rewards redeemable at over 4 million merchants at the point of payment. It targets loyalty programs across verticals such as travel, replacing delayed points systems with real-time settlement.
1 investor
A payment platform that enables custom payment links for bank transfers and cryptocurrency transactions, allowing users to send funds to wallets and purchase airtime. The service targets individuals and businesses in Africa seeking flexible payment options with real-time transaction tracking on blockchain.
1 investor
Spritz provides non-custodial payments that let crypto holders spend, save, and pay bills directly from their self-custodied wallet with instant fiat settlement. Aimed at advanced crypto users and high-net-worth individuals, it is a registered MSB offering high transaction limits and human support.
1 investor
SQD provides data infrastructure that extracts and decodes blockchain events, transactions, and traces across 130+ networks, streaming the results into users' own data warehouses for SQL-based analytics. The platform serves blockchain analytics teams and developers who need to build dashboards and insights on on-chain data without managing per-chain RPC infrastructure.
1 investor





