3VC
Vienna, Austria · AcceleratorFounded 2017 as Capital300. Series A investor focused on European tech challengers, especially DACH and CEE origins including Austria, Germany, Switzerland, Poland, and Czechia.
Tatum is a developer platform that unifies dozens of blockchain protocols into a single API, allowing enterprises to build crypto features without specialized blockchain teams. The platform abstracts wallet creation, transactions, and smart contract interactions into simple endpoints.
By 2026, Tatum positions itself as the “Stripe for crypto infrastructure,” serving banks and fintechs that want to launch regulated digital-asset services. Its focus is on reliability and developer speed rather than speculative crypto exposure.
Prague, Czech Republic
Startup
Growth
/czech-republic/startup/tatum
No investors have been linked yet.
Founded 2017 as Capital300. Series A investor focused on European tech challengers, especially DACH and CEE origins including Austria, Germany, Switzerland, Poland, and Czechia.
Raiffeisen Bank International's venture unit investing in fintech and banking innovation across CEE.
Launched 2017. Corporate venture program connecting startups with the Jose de Mello Group in healthcare, energy, and infrastructure. Support: pilot agreements, corporate guidance, and potential customer contracts. Scope: National.
Founded 2011. Seed fund focused on B2B SaaS and developer tools.
Founded 2019. Seed fund focused on gaming, esports, and blockchain startups in CEE.
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