Crypto & Web3 Startups

RealOpen converts cryptocurrency such as Bitcoin, Ethereum, and stablecoins into fiat to fund traditional real estate closings, wiring dollars to escrow so buyers appear as cash buyers to sellers and agents. It serves crypto-holding real estate buyers by handling crypto-to-fiat OTC conversion, proof of funds, and settlement within existing escrow and title processes.

1 investor

Rebar Labs builds MEV-aware infrastructure for Bitcoin, including mining, privacy, and analytics tools such as Rebar Data (a blockchain explorer and developer suite), Rebar API for Bitcoin blockchain data access, and Shield MEV protection. Its products serve protocols, mining operations, and developers building on Bitcoin and metaprotocols.

1 investor

Rebel Bots is a mobile gaming studio that lets players earn in-app currency convertible to its $RBAX token and trade game assets on marketplaces. The token is used across the studio's games for community rewards and perks.

1 investor

Rebind is a savings app that gives consumers access to internet-native (crypto stablecoin) money markets, offering yield in EUR and USD with auto-compounding balances. Users get a personal IBAN and Visa debit card, can deposit via bank transfer or stablecoins, and withdraw or spend funds instantly with self-custody secured through Privy.

1 investor

Rebit is a money transfer service designed for migrants to send funds to family and friends internationally, using cryptocurrency-backed technology with transparent rates and regulatory compliance. The platform operates in New Zealand and targets migrant communities seeking accessible financial services.

1 investor

ReCheck operates a platform for managing and reusing building materials and real estate assets with financial incentives, focused on circular innovation in the real estate sector.

1 investor

RecVC is a venture capital firm that invests in and coaches crypto founders building blockchain networks and decentralized platforms. It has partnered with crypto founders since 2017.

1 investor

Red Belly Blockchain is a blockchain that uses an accountability-based consensus algorithm to detect and penalize participants who attempt to double-spend, reducing that common failure in cryptocurrencies. It operates its own native cryptocurrency, the Redbelly Coin (RBC), and an associated wallet for managing crypto assets.

1 investor

RedSwan runs a marketplace for tokenized commercial real estate, offering a concierge service that handles onboarding, KYB/AML compliance, digital wallet setup, and token allocation for institutional investors. It connects investors such as banks, hedge funds, pension funds, insurance companies, sovereign wealth funds, and private equity firms with global real estate offerings.

1 investor

Reef is a blockchain platform for tokenized equity and alternative investments, with built-in compliance (ERC3643/TREX, KYC/AML) and EVM compatibility for deploying tokenized securities. It serves projects tokenizing real-world assets such as real estate, sports equity, agricultural assets, and private credit, aimed at everyday retail investors.

1 investor

Reental is a real estate investment platform that tokenizes properties, letting individuals invest in rental assets, earn monthly rental yields, and trade their holdings on a peer-to-peer secondary market. It offers global property access, automatic compound reinvestment, and the ability to use assets as collateral for liquidity.

1 investor

Refereum operated a gaming influencer marketing platform that rewarded gamers and content creators for sharing and promoting video games, working with AAA and indie game developers. It used $RFR blockchain tokens to send global micro-payments to players, but the platform was shut down in August 2025 and the company began dissolution.

1 investor

ReFi.Trading builds non-custodial, AI-driven algorithmic trading software that uses reinforcement learning and Modern Portfolio Theory to execute trades through brokers while assets stay in the user's own brokerage account. It serves retail and institutional traders and teams managing multiple portfolios, with trades gated by zero-knowledge and compliance proofs, and is initially targeting the UAE/GCC, Canada, and other global financial hubs.

1 investor

Reflect is a stablecoin API and SDK that lets developers add yield-bearing savings accounts, launch branded yield-bearing stablecoins, and offer opt-in insurance and risk tranching within their apps. It targets teams building stablecoin and crypto financial products, using yield sources such as DeFi protocols, T-bills, and money markets.

1 investor

Reflexical runs a fellowship program that helps early-stage Web3 projects scale using a proprietary six-pillar process covering product, tokenomics, branding, community, market operations, and enterprise creation. It works with selected Web3 founders and gives its shareholders exposure to these projects through co-investment and referral opportunities.

1 investor

Refraction Festival is a decentralized global creative community organizing live music and art experiences across multiple physical cities and virtual metaverse venues, governed as a DAO with NFT-based membership and blockchain-native participation.

1 investor

Regen Network builds digital infrastructure and protocols for measuring, verifying, and financing regenerative ecological projects. It enables land stewards, scientists, and institutions to register environmental initiatives, issue ecological assets, and direct capital toward climate and biodiversity outcomes.

1 investor

Regular offers investment accounts that provide daily yield of 5.50% annually by deploying stablecoins into decentralized finance liquidity pools and yield protocols. The service targets both individuals and businesses seeking cryptocurrency-backed interest-bearing accounts with simplified operations.

1 investor

Rehive provides a white-label platform and branded apps for launching stablecoin-based neobanks, pre-integrated with regulated infrastructure providers. It offers custodial and self-custody USDC/EURC wallets, on/off ramps, transfers, branded cards, payouts, invoicing, and payment requests for both individual and business users.

1 investor

Reign of Terror is a cyberpunk gaming ecosystem of multiple blockchain games built around the $REIGN utility token and NFTs, letting players own, trade, and use in-game assets on chain. Its titles include Hacker Assault, Uprising, and a tactical cyberpunk SRPG/MMORPG, bridging traditional and web3 gaming.

1 investor

Choodle is a mobile on-chain drawing utility that enables users to create and share doodles on blockchain networks. The application targets digital artists and casual creators seeking to tokenize and share their spontaneous artistic expression.

1 investor

Remix Point develops renewable energy and battery storage solutions to provide stable, distributed electric power and create sustainable energy systems for communities and regions.

1 investor

Renatus.ai offers a local-first AI agent orchestration platform that lets users deploy and manage autonomous AI agents from their own devices, with agents able to connect to crypto wallets, launch their own tokens, and manage their own wallets. The product is presented as private and self-hosted, running directly on the user's PC.

1 investor

Resolv provides fraud protection and asset recovery for cryptocurrency holders through recoverable wrapped tokens and community-driven verification. The service combines smart contract security with a decentralized expert review process to recover stolen digital assets.

1 investor