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Blockstream is a global leader in Bitcoin and blockchain technology, providing infrastructure, products, and services designed to expand the capabilities of the Bitcoin ecosystem. The company focuses on building financial infrastructure based on Bitcoin, aiming to enhance efficiency in financial markets through advanced cryptography and security engineering [1] [21].
Founded in 2014, Blockstream's mission is to develop the financial infrastructure of the future by leveraging Bitcoin's robust and secure blockchain. [1]
The company emphasizes permissionless innovation, empowering individuals and businesses to manage their finances independently and promoting open finance for a more equitable financial system. Blockstream invests significantly in research and development to strengthen the Bitcoin protocol and ecosystem, with a long-term outlook on delivering scalable solutions [1].
Blockstream's core values include fostering permissionless innovation, promoting the principle of "Don't trust, verify" to reduce reliance on third parties, and advocating for open finance to benefit a broader population. The company's efforts are directed towards accelerating the adoption of Bitcoin and peer-to-peer finance [1].
Blockstream was founded in 2014 by a group including Dr. Adam Back, Erik Svenson, and Pieter Wuille. In November 2014, the company secured $21 million in seed funding. The first version of Elements, an open-source, sidechain-capable blockchain platform, was released in June 2015. This was followed by a Series A funding round in February 2016, raising $55 million.
In July 2016, Blockstream acquired GreenAddress, a Bitcoin wallet provider [1].
Major developments continued in 2017 with the release of Confidential Assets in April and the launch of Blockstream Satellite in August, which broadcasts the Bitcoin blockchain via satellite. By November 2017, total funding exceeded $80 million, with an investment from Digital Garage. December 2017 saw the launch of c-lightning, Blockstream’s implementation of the Lightning Network.
In 2018, the company launched Lightning Charge for developers and the Cryptocurrency Data Feed in partnership with Intercontinental Exchange. A significant milestone was reached in October 2018 with the launch of the Liquid Network, a Bitcoin layer-2 solution for digital asset issuance, in collaboration with major cryptocurrency exchanges and trading desks [1].
In 2019, Blockstream launched the Blockstream Satellite API and entered a joint venture, Crypto Garage, with Digital Garage and The Tokyo Tanshi to expand Bitcoin applications in Japan. The Blockstream Green Wallet was launched in March 2019, with Liquid support added in July. Tether also launched on the Liquid Network in July 2019. The Liquid Network continued to expand its federation members, reaching 45 in March 2020 and 53 by July 2020. Blockstream Satellite 2.0 was launched in May 2020, offering expanded coverage. In October 2020, the Blockstream Asset Management Platform (AMP) was announced, enabling programmable security tokens on Liquid [1].
The year 2021 saw the reveal of Blockstream Jade, a fully open-source hardware wallet, and the Liquid Federation growing to 59 members. Blockstream acquired Adamant Capital and established Blockstream Finance in May 2021.
The company achieved a valuation of $3.2 billion and secured $210 million in Series B financing in August 2021, reaching "unicorn" status. [1]
In 2022, the Liquid Federation expanded to 63 members, and Liquid added Taproot support. c-lightning was rebranded to Core Lightning in March 2022.
In October 2023, Blockstream launched Greenlight for scalable, non-custodial Lightning integration. Further funding was secured in October 2024, with $210 million led by Fulgur Ventures, and a research center was launched in Lugano in November 2024.
In January 2025, Blockstream launched Jade Plus, an enhanced hardware wallet, and debuted Blockstream Asset Management alongside two institutional-grade Bitcoin investment funds [1] [2] [3].
Blockstream offers a diverse suite of products and services catering to consumers, asset managers, enterprises, and developers, all built around the Bitcoin and Liquid ecosystems [4].
Blockstream's technological contributions primarily focus on enhancing Bitcoin's scalability, privacy, and functionality through layer-2 solutions and sidechains.
The Liquid Network is a federated sidechain to Bitcoin, designed for fast, confidential, and secure transfers of digital assets. It uses a "peg-in" and "peg-out" mechanism to move Bitcoin (or other assets) between the main Bitcoin blockchain and the Liquid sidechain. Transactions on Liquid are faster than on Bitcoin and support "Confidential Transactions," which hide the amounts and asset types being transacted, enhancing privacy [12] [1].
Core Lightning (CLN) is a lightweight and flexible implementation of the Lightning Network, a layer-2 protocol built on Bitcoin that enables instant, low-cost transactions. CLN is designed for developers to build scalable applications on top of Bitcoin, facilitating micro-payments and high-throughput transactions off the main blockchain [13].
Elements is an open-source blockchain platform that allows developers to build and experiment with new features for Bitcoin-like blockchains, including sidechains. It provides a framework for creating custom blockchain networks with features such as Confidential Transactions, Issued Assets, and Segregated Witness (SegWit) [14].
Blockstream Research has contributed to the development of Shielded CSV, a payments protocol that can be built on top of Bitcoin. This protocol aims to provide scalable and private Bitcoin payments by enabling full privacy with minimal on-chain data, specifically 64 bytes. This innovation is seen as a pragmatic step towards more private and efficient Bitcoin transactions [18] [19].
Blockstream is led by a team of executives with extensive experience in cryptography, distributed systems, and finance.
Blockstream has attracted significant investment from various venture capital firms and strategic partners. The company raised $21 million in seed funding in 2014 and $55 million in Series A funding in 2016.
By November 2017, total funding exceeded $80 million. In August 2021, Blockstream secured $210 million in Series B financing, which valued the company at $3.2 billion.
In October 2024, Blockstream secured another $210 million in funding led by Fulgur Ventures [1].
Notable investors include:
Blockstream operates with a distributed team of over 100 individuals, comprising experts from diverse backgrounds in Bitcoin and blockchain technology.
The company maintains offices in Montreal, Mountain View, Lugano, and Tokyo, in addition to its remote team members located globally [1].
In July 2025, Blockstream CEO Adam Back teamed up with Cantor Fitzgerald to launch the Bitcoin Standard Treasury Company (BSTR). This new publicly traded firm is set to launch with a balance sheet of over 30,000 BTC, valued at more than $3.5 billion, along with $1.5 billion in PIPE financing.
BSTR's mission is to bring the integrity of Bitcoin as sound money to modern capital markets, with plans to acquire more Bitcoin and develop Bitcoin-native capital markets products and advisory services [20].