Castrum Istanbul

Castrum İstanbul is the next-generation blockchain ecosystem, shaped by the inspiration we gained from Ancient Rome.

It is a full-stack venture capital firm inspired by the Roman spirit. Our goal is to invest, mentor, and empower crypto-related startups with this spirit. We have deep and extensive connections in crypto and enterprises around the world. Every investment decision made by our crypto-native team is grounded in detailed research. We take deep dives into tokenomics, technical architecture, and product design.

We provide technical, marketing, community, and partnership support for early-stage startups. We make sure that we not only pick the great projects, but also help them become the best.


Expanding Ecosystems

With over 70+ ecosystems actively growing, they are equally deserving of your attention.