Metaplanet Ventures is a Tallinn-based venture arm investing with a long-term deep tech orientation and grant-making for projects outside the venture model. It backs seed to Series A companies across AI, climate, blockchain, biotechnology, space, computing, cybersecurity, robotics and related frontier technologies, with activity spanning the United States, United Kingdom, Estonia, Japan, Europe and Asia. The firm is relevant for founders building long-horizon technologies, including existential-risk mitigation and infrastructure-oriented innovation; portfolio examples include Anthropic, Protocol Labs, SpaceX and Zama.