Smart contracts, wallets, tokens and on-chain infrastructure.
Smart contracts, wallets, tokens and on-chain infrastructure.
14 startups, newest first. Startup names and source links are not shown here; details appear where the source states them.
| ID | Startup and place | Industry · stage | Commitment · terms | Work mode | Posted | Freshness |
|---|---|---|---|---|---|---|
| SU-0408 | Non-technical company investing in a new project seeks a senior full-stack or blockchain/ZK technical partnerTechnical co-founder / CTO, Blockchain & web3 · Location not stated | Crypto & web3 · Idea | — | — | Mar 2026 | Recent |
| SU-0453 | Crypto quantitative-trading platform seeks a Python/React part-time developer who can become a partnerTechnical co-founder / CTO, Blockchain & web3 · Location not stated | Fintech, Crypto & web3 · Live product or beta | Part-time | — | Nov 2025 | Recent |
| SU-0101 | Financial EVM Layer-2 protocol combining banking and DeFi with enforceable credit; seeks co-foundersBlockchain & web3, Finance / CFO · Location not stated | Crypto & web3, Fintech | — | — | Oct 2025 | Older |
| SU-0387 | Solo-built 'new kind of blockchain' project looking for co-founders and developersBlockchain & web3, Technical co-founder / CTO · Location not stated | Crypto & web3 | — | — | Aug 2025 | Older |
| SU-0034 | Security-focused hot wallet app for cryptoTechnical co-founder / CTO, Blockchain & web3 · Location not stated | Crypto & web3, Cybersecurity | — | — | Jan 2025 | Older |
| SU-0025 | Identity management solution secured by the Bitcoin blockchainTechnical co-founder / CTO, Blockchain & web3 · Location not stated | Cybersecurity, Crypto & web3 | — | — | Aug 2024 | Older |
| SU-0499 | WhatsApp-based rotating savings circles earning DeFi yield for Latin America seeks a Solana/Rust technical co-founderTechnical co-founder / CTO, Blockchain & web3 · Location not stated | Fintech, Crypto & web3 · Live product or beta | — | — | — | Undated |
| SU-0481 | Open-source verified-work marketplace on Base for AI agents seeks a Solidity CTO co-founderTechnical co-founder / CTO, Blockchain & web3 · Canton de Vaud, Switzerland | Crypto & web3, Marketplaces · Live product or beta | Flexible · Equity only | — | — | Undated |
| SU-0479 | Open-source accountability and scoring layer for autonomous trading agents seeks a Solidity technical co-founderTechnical co-founder / CTO, Blockchain & web3 · Location not stated | Crypto & web3, Fintech, AI · Live product or beta | — | — | — | Undated |
| SU-0413 | Agentic music battles on Base L2 seek a technical co-founderTechnical co-founder / CTO, Blockchain & web3 · Location not stated | Crypto & web3, Media & creators | — | — | — | Undated |
| SU-0406 | Web3 non-custodial wallets and stablecoin cards for freelancers seek a technical co-founder (CTO)Technical co-founder / CTO, Blockchain & web3 · Location not stated | Fintech, Crypto & web3 | — | — | — | Undated |
| SU-0310 | Blockchain verification layer proving a digital file is authentic and unaltered seeks a Web3 technical co-founderTechnical co-founder / CTO, Blockchain & web3 · Cape Town, South Africa | Crypto & web3, Cybersecurity · Live product or beta | Full-time · Equity and salary | On site | — | Undated |
| SU-0295 | AI and blockchain platform for GCC construction delivery with smart payments seeks a technical co-founder / CTOTechnical co-founder / CTO, Blockchain & web3 · Dubai, United Arab Emirates | Real estate & construction, Crypto & web3, AI · Prototype | Flexible · Equity only | Hybrid | — | Undated |
| SU-0287 | Wine investment and digital cellar platform with AI tools and blockchain traceabilityTechnical co-founder / CTO, AI & machine learning, Blockchain & web3 · London, United Kingdom | Commerce & retail, Fintech, AI · Idea | Equity only | — | — | Undated |
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8 years · Remote
Based in Czechia
TypeScript · Node.js · PostgreSQL · Go
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