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Blockstream Review

Maxim Nechiporenko
Written by:
Maxim Nechiporenko
Chinmay Soni
Reviewed by:
Chinmay Soni
Mirjan Hipolito
Fact-checked by:
Mirjan Hipolito
Updated:
February 18, 2025

Editorial Note: While we adhere to strict Editorial Integrity, this post may contain references to products from our partners. Here's an explanation for How We Make Money. None of the data and information on this webpage constitutes investment advice according to our Disclaimer.

Blockstream is a leading blockchain developer founded in 2014 by Adam Back, best known for creating the Hashcash algorithm used in Bitcoin’s Proof-of-Work mechanism. The company specializes in developing solutions to scale and improve the Bitcoin ecosystem.

Blockstream blockchain technology powers the Bitcoin ecosystem with cutting-edge solutions for network scaling, security, and transaction privacy. Its key products include the Liquid Network sidechain, Blockstream explorer, and hardware wallets built for safe digital asset storage.

The company collaborates with institutional investors and crypto projects, delivering practical tools for managing digital assets. This article covers Blockstream’s key technologies, how they’re used, and their impact on Blockstream Bitcoin infrastructure.

Basic facts about Blockstream

Blockstream is a leading blockchain technology company specializing in Bitcoin-focused solutions and services. Founded in 2014 by prominent figures in the Bitcoin community, including Adam Back, the company plays a critical role in advancing the Bitcoin ecosystem through innovative infrastructure, tools, and research.

  • Type of activity
    Blockstream specializes in Blockstream crypto financial services, offering blockchain technologies such as sidechains, hardware wallets, and Blockstream decentralized finance solutions.

  • Region of operation
    The company operates globally, delivering its products and services to clients worldwide.

  • Market capitalization
    In August 2021, Blockstream secured $210 million in a Series B funding round, boosting its valuation to $3.2 billion.

  • The company's main product
    Liquid Network, a Bitcoin sidechain, facilitates fast and confidential transactions while supporting the issuance of digital assets. It enables seamless fund transfers among exchanges, traders, and institutions, ensuring low latency and enhanced privacy.

Additional products and services

  • Blockstream satellite. A service that broadcasts the Bitcoin blockchain via satellite, providing access to the network even without an internet connection. This increases network resilience and ensures availability in remote areas.

  • Blockstream mining. A hosted service for Bitcoin mining, providing institutional and corporate clients with the ability to place their equipment in specialized data centers with full control over operations.

  • Blockstream green. A multi-platform Bitcoin wallet with advanced security features, including support for multi-signature and two-factor authentication.

  • Blockstream jade. An open-source hardware wallet for securely storing Bitcoin and Liquid assets.

  • Blockstream AMP. A platform for issuing and managing digital assets on the Liquid network, providing the ability to create tokens representing financial products such as stocks, bonds, and stablecoins.

Interesting facts

  • Adam Back was one of the first people Satoshi Nakamoto wrote to personally before Bitcoin was created.

  • In 2021, Blockstream acquired Israeli ASIC manufacturer Spondoolies to develop its own enterprise-class miner.

  • The company is actively developing projects aimed at improving Bitcoin scalability and privacy, including Core Lightning and Blockstream Satellite.

Blockstream founder

Adam Back is a British cryptographer and cypherpunk known for creating the Hashcash algorithm, which powers Bitcoin's Proof-of-Work mechanism. His work is mentioned in Satoshi Nakamoto's Bitcoin white paper.

Adam BackAdam Back

Company history

Blockstream was founded in 2014 by a team of top cryptographers and blockchain pioneers, including Adam Back, Gregory Maxwell, and Peter Wille. Adam Back, a British cryptographer and cypherpunk, is known for inventing the Hashcash proof-of-work system, which powers Bitcoin’s core technology. His work is even cited in Satoshi Nakamoto’s Bitcoin white paper.

How does Blockstream work? The company has been developing tools that make Bitcoin more efficient and scalable. In 2015, it introduced a Liquid Network prototype, which went live in 2018. The Liquid Network enables quick and private transactions between exchanges, traders, and financial institutions.

In 2017, Blockstream launched Blockstream Green, a multi-platform Bitcoin wallet packed with strong security measures. It also introduced a Lightning Network implementation called c-lightning (later renamed Core Lightning) to accelerate Bitcoin transactions and enhance its scalability.

In 2021, Blockstream raised $210 million in a Series B funding round, reaching a valuation of $3.2 billion. The investment went toward expanding its mining operations and creating Bitcoin-based financial products.

Is Blockstream wallet safe?

Yes, Blockstream's wallet, Blockstream Green, is considered a safe and secure wallet for Bitcoin and Liquid Network transactions.

Blockstream GreenBlockstream Green

Why Blockstream Green is safe

  1. Multi-signature security

    • Blockstream Green uses a two-key multi-signature setup, which means that two private keys are required to authorize a transaction. One key is stored on your device, and the second is managed by Blockstream. This significantly enhances security by protecting against unauthorized access.

  2. Two-Factor Authentication (2FA)

    • The wallet supports 2FA for an added layer of protection. You can enable it to approve transactions via email, SMS, or an authenticator app.

  3. Open-source code

    • The wallet’s source code is open-source, allowing for transparency and review by the community. This ensures that security vulnerabilities can be identified and addressed.

  4. Hardware wallet integration

    • Blockstream Green integrates with popular hardware wallets like Ledger and Trezor. This adds an extra level of security by keeping your private keys offline.

  5. Privacy features

    • The wallet includes privacy enhancements, such as Tor integration, which anonymizes your network activity, making it harder for third parties to track your transactions.

  6. Liquid network support

    • It supports transactions on the Liquid Network, a Bitcoin sidechain that offers confidential transactions, improving privacy and reducing on-chain transaction fees.

  7. No custodial control

    • Blockstream Green is a non-custodial wallet, meaning you retain control of your private keys (at least one of them), giving you full ownership of your funds.

Where to buy the company's products

Blockstream is a private company, so its shares are not traded on public exchanges such as NASDAQ or NYSE.

How to get access to Blockstream shares:

  • Private investments. Investors can get access to the company's shares through funding rounds led by Blockstream. Typically, participation in such rounds is available to venture capital funds, institutional investors, and accredited individuals. For example, Blockstream raised $210 million in its Series B round in 2021.

  • Secondary markets. Shares of some private companies may be available on secondary markets (for example, Forge Global or EquityZen). These platforms allow accredited investors to buy and sell shares of private companies if the current owners decide to sell them. However, the availability of Blockstream shares on secondary markets requires verification.

  • Venture capital funds. Funds investing in Blockstream may offer their clients indirect participation in the company. An example would be crypto-focused investment funds.

How to keep an eye on stock opportunities:

  • Subscribe to official Blockstream announcements via their official website and blogs.

  • Keep an eye on news about new funding rounds.

  • Check out secondary market platforms for private company stocks.

If you're considering Blockstream products, check out Blockstream Green

Anastasiia Chabaniuk
Anastasiia Chabaniuk Educational Content Editor

Blockstream broadens Bitcoin’s real-world applications, with Liquid Network being just the start. This sidechain technology solves key issues for institutional investors and traders: slow transactions and high fees on the main network. If you handle large volumes, Liquid Network enables fast, private transfers. It even supports token issuance, including digital bonds and stablecoins, supporting Blockstream decentralized finance solutions on Bitcoin.

Another game-changing innovation by Blockstream is Blockstream Satellite, providing Bitcoin blockchain access through satellite communication. While it may seem unusual, this feature is essential for regions with unreliable Internet or during geopolitical disruptions. For businesses and traders, it keeps the network running even without the Internet, ensuring transaction data stays accessible.

If you're considering Blockstream products, check out Blockstream Green, a wallet with multi-signature functionality that adds extra security for digital assets. Meanwhile, Jade wallet is ideal for users wanting an open-source hardware solution. Both products cater to private users and businesses, making the Blockstream ecosystem dependable for Bitcoin operations.

Conclusion

Blockstream continues to strengthen its position as a leader in developing technologies for the Bitcoin ecosystem. The company offers solutions that not only improve the functionality of the network, but also expand its capabilities for business and institutional users. Liquid Network ensures fast and confidential transactions, and Blockstream Satellite guarantees access to the blockchain even without the Internet. The company's products, such as Green Wallet and the Jade hardware wallet, combine security and convenience for storing assets. With such innovations, Blockstream plays a key role in the development of Bitcoin infrastructure, making it more efficient and accessible on a global level.

FAQs

What benefits does the Liquid Network provide to users?

The Liquid Network enables fast and private transactions, and enables the issuance of digital assets such as stablecoins and tokenized real-world assets.

How does Blockstream contribute to the development of the Lightning Network?

Blockstream is developing Core Lightning (formerly known as c-lightning), an implementation of the Lightning Network protocol that helps increase the scalability and speed of Bitcoin transactions.

What security measures does the Blockstream Green wallet implement?

Blockstream Green uses multi-signature and two-factor authentication, providing a high level of security for users.

What services does Blockstream offer in the field of mining?

Blockstream provides services for colocation of mining equipment, and also develops its own ASIC miners for enterprise clients.

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Team that worked on the article

Maxim Nechiporenko
Maxim Nechiporenko
Author, financial expert at Traders Union

Maxim Nechiporenko has been a contributor to Traders Union since 2023. He started his professional career in the media in 2006.

Learn about our editorial policies
Chinmay Soni
Chinmay Soni
Head of Fact-Checking Department

Chinmay Soni is a financial analyst with more than 5 years of experience in working with stocks, Forex, derivatives, and other assets. As a founder of a boutique research firm and an active researcher, he covers various industries and fields, providing insights backed by statistical data.

Mirjan Hipolito
Mirjan Hipolito
Cryptocurrency and stock expert

Mirjan Hipolito is a journalist and news editor at Traders Union. She is an expert crypto writer with five years of experience in the financial markets.

Glossary for novice traders
Index

Index in trading is the measure of the performance of a group of stocks, which can include the assets and securities in it.

CFD

CFD is a contract between an investor/trader and seller that demonstrates that the trader will need to pay the price difference between the current value of the asset and its value at the time of contract to the seller.

Bitcoin

Bitcoin is a decentralized digital cryptocurrency that was created in 2009 by an anonymous individual or group using the pseudonym Satoshi Nakamoto. It operates on a technology called blockchain, which is a distributed ledger that records all transactions across a network of computers.

Bear market

A bear market is a period of time in which an investment asset, such as stocks, bonds, or commodities, experiences a decline in price for an extended period of time.

Cryptocurrency

Cryptocurrency is a type of digital or virtual currency that relies on cryptography for security. Unlike traditional currencies issued by governments (fiat currencies), cryptocurrencies operate on decentralized networks, typically based on blockchain technology.

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