Crypto & Web3 Startups
3,492 companies tagged Crypto & Web3, with their investors and founders.
Spectral Labs builds infrastructure for the agentic economy, including primitives, protocols, and markets that let autonomous software agents reason, transact, and collaborate across chains, networks, and domains. Its product category spans AI agent coordination layers and crypto/blockchain-based economic rails.
2 investors
Sphere provides stablecoin-based cross-border payment infrastructure, offering REST APIs, SDKs, a self-serve dashboard, and embedded fiat on/off-ramps that settle in under 30 minutes across more than 160 markets. It serves businesses such as neobanks, exchanges, PSPs, marketplaces, payroll platforms, and trading firms for dollar access, cross-border payments, and treasury and liquidity management.
2 investors
Spicenet builds a brokerage network for decentralized finance, providing access to DeFi venues across multiple blockchain ecosystems. It serves builders and traders seeking liquidity and distribution solutions in the DeFi market.
2 investors
Spire Labs develops blockchain infrastructure for Ethereum, including a platform for launching application-specific chains with based sequencing, transaction aggregation services, and RPC endpoints. The company serves developers and applications building on Ethereum and its layer-two networks.
2 investors
Paysponge provides financial infrastructure for AI agents, enabling them to hold, spend, and earn money through credit cards, bank accounts, and crypto. The platform offers both agent accounts and a payment gateway for businesses to accept payments directly from agents.
2 investors
2 investors
Stackup is a smart account platform that enables crypto companies to manage onchain financial operations through modern infrastructure for digital asset management. The platform targets enterprise-grade crypto businesses seeking to streamline transactions, hardware wallet management, and administrative processes.
2 investors
StageKeep is a productivity tool for choreographers and producers that manages the creation, organization, and review of dance formations, rehearsals, and performances. It enables teams to synchronize music with formations, visualize choreography, and coordinate logistics and communication for stage productions.
2 investors
stakefish provides validator performance tracking and reporting services for Ethereum and Solana blockchain networks.
2 investors
Stargaze is an NFT marketplace and platform built on the Cosmos blockchain, hosting generative art, PFP, and yield-generating NFT collections. It serves NFT creators, collectors, and DeFi users within the Cosmos ecosystem.
2 investors
Startale Group builds blockchain infrastructure, including Soneium (an Ethereum Layer 2 network) and JPYSC, a Japanese yen stablecoin issued by Shinsei Trust & Banking through a partnership with SBI Holdings under Japan's regulatory framework. The company focuses on connecting traditional financial systems with blockchain networks in Japan.
2 investors
2 investors
StealthEX is a non-custodial cryptocurrency exchange platform that allows users to swap digital assets without creating an account or storing funds on the service. The platform enables wallet-to-wallet exchanges with no upper transaction limits and supports over 2,000 assets.
2 investors
Stepn Go is a mobile fitness app that rewards users with cryptocurrency tokens (GGT) for physical activities like running, walking, and jogging.
2 investors
STOKR provides a platform for tokenizing and issuing digital securities across asset classes—including fixed income, equities, and private funds—on the Liquid Network, serving qualified institutional investors with regulatory compliance in Luxembourg.
2 investors
Storemaven.com is a review and comparison site focused on crypto and Bitcoin casinos, testing platforms for licensing, payout speed, bonus terms, and provably fair technology. It provides independent, data-backed recommendations for players seeking safe and transparent crypto gaming sites.
2 investors
StreamingFast processes and indexes blockchain data, with core products Firehose and Substreams that provide high-performance indexing for high-throughput chains. It is an employee-owned enterprise and core developer on The Graph protocol, and also incubates and invests in early-stage infrastructure companies.
2 investors
Structure is a no-code platform for building, backtesting, and deploying automated crypto trading strategies on Web3, letting users describe a strategy in plain English and run it as a deterministic on-chain strategy. It targets algorithmic traders, quants, fund managers, and market makers, with non-custodial, wallet-based execution on DEX venues such as Hyperliquid and Drift.
2 investors
Sun Zu Lab operates an independent platform that gives crypto token issuers visibility into their market making and liquidity operations, including data, analytics, contract monitoring, and AI-powered tools. It targets token issuers seeking transparency into Web3 market making arrangements.
2 investors
SuperVerse operates a web3 gaming network that integrates its SUPER token across multiple crypto gaming titles to share users and liquidity. It also develops liquidity protocols for web3 gaming, including BlackHole, a decentralized exchange that uses a portion of fees to buy back SUPER.
2 investors
Supermodel.ai provides autonomous trading intelligence that tracks and scores top on-chain traders' wallets in real-time on Hyperliquid. It fuses crowd behavior, technical indicators, and prediction market signals into trading decisions for crypto traders.
2 investors
SuperVerse is a web3 gaming network that integrates its SUPER token across multiple crypto gaming titles to share users and liquidity between projects. It also develops liquidity protocols for web3 gaming, including BlackHole, a decentralized exchange (DEX).
2 investors
Sustainable Bitcoin Protocol verifies clean energy sources behind Bitcoin mining and creates attestation records (SBP tokens) that enable climate-focused investment funds to hold Bitcoin while meeting ESG disclosure requirements. The company provides cryptographically verified energy data and compliance documentation aligned with SFDR, GHG Protocol, and multi-jurisdiction regulatory standards.
2 investors
Synergetics.ai provides a platform for building, deploying, and monetizing autonomous AI agents, combining development tools, identity management, a marketplace, and inter-agent communication protocols. The platform serves enterprises seeking to automate operations through intelligent agent-based systems.
2 investors