Blockstream
Blockstream is a prominent blockchain technology supplier that focuses on enhancing Bitcoin and blockchain functionality through innovative products and services. The company develops interoperable blockchain technologies, particularly sidechains, which facilitate faster and more confidential transactions. Its notable offerings include Blockstream Satellite, a service that broadcasts the Bitcoin blockchain via satellite for users without internet access, and the Liquid Network, designed to improve transaction efficiency. Additionally, Blockstream provides the Green Wallet, a non-custodial Bitcoin wallet emphasizing security and user control. The company also offers blockchain APIs for developers, enabling the integration of blockchain capabilities into various applications, as well as solutions for efficient Bitcoin mining operations. By leveraging advanced cryptographic techniques, Blockstream aims to enhance privacy and security in transactions, ultimately contributing to the evolution of the financial infrastructure.
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Komainu
Series B in 2025
Komainu is a regulated digital asset custody services provider formed by a partnership between Nomura, CoinShares, and Ledger. The company offers a hybrid custodial platform that serves institutional investors, combining secure custody, depositary functions, and an application‑based system. Its services support multiple asset types, meet stringent regulatory standards, and include insurance coverage, enabling institutions to access the digital asset market with confidence.
SponDoolies-Tech
Acquisition in 2021
Spondoolies-Tech specializes in the development of cryptocurrency mining devices, focusing on efficiency and performance. The company is composed of a team of experts from the Israeli semiconductor industry, dedicated to creating the necessary infrastructure for cryptocurrency operations. Spondoolies-Tech manufactures mining rigs that are designed for both private and commercial users, ensuring that these machines are easy to use and simple to set up. In addition to hardware production, the company also offers cloud mining services and bulk sales, catering to a diverse range of customers in the digital currency market.
Adamant Capital
Acquisition in 2021
Adamant Capital is a company focused on cryptocurrency fund management, recognized for its early advocacy of Bitcoin as a fundamental investment. It aims to provide a tax-efficient investment strategy that seeks to outperform Bitcoin by leveraging its attributes as digital gold and a liquid reserve asset. The firm invests in the broader ecosystem of virtual currencies, enabling clients to engage safely and effectively in the cryptocurrency market. Through its approach, Adamant Capital positions itself as a trusted partner for investors looking to navigate the complexities of cryptocurrency investments.
GreenAddress
Acquisition in 2016
GreenAddress is a provider of bitcoin wallet protection software that focuses on enhancing the security of bitcoin transactions without compromising usability. The company offers advanced protection features such as two-factor authentication and multi-signature capabilities, which ensure that users maintain control over their transactions. By prioritizing both security and user experience, GreenAddress aims to deliver a reliable solution for individuals looking to safeguard their bitcoin assets.
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