US investor Archetype has led a $5.5 million (€4.8 million) seed round for TACEO, a Graz-based crypto startup. Venture capital firm a16z Crypto, Cyber.Fund, A.Capital Ventures, Polymorphic, and several business angels also took part. TACEO was founded in 2022 as a spin-off from Graz University of Technology and the AI research centre Know-Center. It builds software that lets multiple parties work together on sensitive data without exposing the underlying information. World, the company founded by OpenAI co-founder Sam Altman, has used the technology for two years. Law firm LARK advised Archetype on the deal, together with US firm Cooley.

Funding under $10 million. * Privacy blockchain developer Beldex raised $8 million in a round led by Sigma Capital. NTC, Nxgen, Digital Consensus Fund, and EAK Ventures also participated, bringing the company's reported cumulative funding to $36 million. Beldex said the proceeds would support developer tools, protocol security, privacy applications, encrypted AI services, and broader ecosystem development. * DeFi lending protocol Twyne secured $2.5 million in seed funding in a round co-led by Cyber Fund and Ethereal Ventures. Euler Labs, Daedalus, and several individual investors participated. Twyne provides a credit delegation layer that allows lending-market depositors to transfer unused borrowing capacity to other users in exchange for additional yield. * Solana-based infrastructure project Botanika closed a $1.5 million funding round backed by CRIT Ventures, Baboon VC, Marblex, Daedalus, and individual investors. The company is developing decentralized storage and computing infrastructure that connects physical hardware with on-chain ownership. Botanika has positioned its Nimbus hardware product as an entry point for data storage and AI-related workloads. Undisclosed strategic funding. Blueprint Finance completed an undisclosed strategic round led by Polychain Capital. Bullish, Keyrock, BitGo, FalconX, G-20, Flowdesk, JPEG Trading, Sentient Capital, Andes, and 2Square participated. Blueprint plans to expand Concrete, its non-custodial vault infrastructure for institutions, protocols, asset managers, and other capital providers. The platform combines trade execution, accounting, rebalancing, and risk controls within a shared on-chain system. The transaction is excluded from the $1.298 billion total because Blueprint did not disclose the amount raised.