Recent Posts
Liquid Arrives on Blockstream Green
green
Liquid Arrives on Blockstream Green
July 05, 2019
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The Liquid Network is now accessible from a mobile, easy-to-use package thanks to the addition of a Liquid option on...
The Bitcoin Games: Liquid Hackathon
liquid
The Bitcoin Games: Liquid Hackathon
May 30, 2019
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The Liquid Network is growing fast, and it’s time for you to get involved. As part of our sponsorship of...
The New Liquid Securities Platform
liquid
The New Liquid Securities Platform
May 15, 2019
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The Liquid Network is a Bitcoin sidechain that supports the creation of new digital assets in addition to the ability...
goTenna with Blockstream Satellite
blockstream satellite
goTenna with Blockstream Satellite
May 11, 2019
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Today we’re excited to announce goTenna’s integration with Blockstream Satellite, a service that broadcasts the Bitcoin blockchain and user API...
Liquid: New Members & Integrations
liquid
Liquid: New Members & Integrations
May 08, 2019
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We’re excited to reveal the addition of fourteen new members to the Liquid Network: Bluefire Capital, BTCTrader/BtcTurk, Cobo, Coinut, DMM...
Transacting Bitcoin-based P2P Derivatives
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Transacting Bitcoin-based P2P Derivatives
April 19, 2019
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On April 16th (UTC), a trust-minimized forward contract transaction took place on the Bitcoin blockchain between Crypto Garage and Blockstream,...
The All-New Blockstream Green Wallet
green
The All-New Blockstream Green Wallet
March 19, 2019
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Today we’re releasing a whole new GreenAddress Bitcoin mobile wallet, now rebranded as Blockstream Green. The app is already available...
Introducing Liquid Core
liquid
Introducing Liquid Core
March 11, 2019
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Today we’re excited to release Liquid Core, a new multiplatform desktop wallet for transacting Liquid bitcoin (L-BTC). Based on the...
Announcing c-lightning 0.7, Now With More Plugins
lightning network
Announcing c-lightning 0.7, Now With More Plugins
March 01, 2019
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The c-lightning team is pleased to announce the v0.7 release of c-lightning. This release is the culmination of eight months...
MuSig: A New Multisignature Standard
research
MuSig: A New Multisignature Standard
February 18, 2019
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In the first half of last year, in collaboration with Yannick Seurin and Gregory Maxwell, Blockstream cryptographer Pieter Wuille and...
Blockstream Explorer Update: NoJS And More
explorer
Blockstream Explorer Update: NoJS And More
February 15, 2019
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Over the past few weeks we’ve been hard at work improving Blockstream Explorer, and today we’re launching an update that...
Standardizing Bitcoin Proof of Reserves
research
Standardizing Bitcoin Proof of Reserves
February 04, 2019
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Bitcoin exchanges are increasingly coming under pressure from users and regulators to prove they are managing their users funds correctly....
Reducing Blockstream Satellite Costs with SDR and GNU Radio
blockstream satellite
Reducing Blockstream Satellite Costs with SDR and GNU Radio
February 01, 2019
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One of the key benefits of using Blockstream Satellite is the reduction in costs for participating in the Bitcoin network....
New Joint Venture to Expand Bitcoin Applications in Japan
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New Joint Venture to Expand Bitcoin Applications in Japan
January 21, 2019
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Today we’re happy to share that Blockstream has entered a joint venture with Japanese fintech industry heavyweights Digital Garage and...
On Air: Lightning-Powered Data Broadcasts From Space
blockstream satellite
On Air: Lightning-Powered Data Broadcasts From Space
January 16, 2019
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Following our reveal last month, today we announce the launch of the Blockstream Satellite API Beta, offering anyone the chance...
Minisketch: Reducing Bitcoin Node Bandwidth Requirements
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Minisketch: Reducing Bitcoin Node Bandwidth Requirements
January 07, 2019
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Recently, Blockstream team members Pieter Wuille and Gleb Naumenko, along with former colleague Greg Maxwell, revealed Minisketch, a software library...
Blockstream 2018 Review: Countdown to Ignition
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Blockstream 2018 Review: Countdown to Ignition
January 03, 2019
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2018 was a very busy year for us at Blockstream. We hit key milestones such as launching the Cryptocurrency Data...
'The Black Swan' Becomes the Cheapest Work of Art in History, Powered By c-lightning
lightning network
'The Black Swan' Becomes the Cheapest Work of Art in History, Powered By c-lightning
December 23, 2018
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This past week, influential Bitcoin artist Cryptograffiti ran an auction for a piece of “micro art”. The goal of the...
Blockstream Satellite Asia-Pacific Phase 2 Coverage And Upcoming API Launch
blockstream satellite
Blockstream Satellite Asia-Pacific Phase 2 Coverage And Upcoming API Launch
December 17, 2018
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We are pleased to announce that Phase 2 coverage of the Blockstream Satellite network is now live.
Esplora - The Code Behind Blockstream Explorer
explorer
Esplora - The Code Behind Blockstream Explorer
December 06, 2018
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Following the great reception we’ve been getting for Blockstream Explorer (released in November), today we’re releasing Esplora: the free and...
Blockstream Appoints GreenAddress Creator Lawrence Nahum as Chief Architect
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Blockstream Appoints GreenAddress Creator Lawrence Nahum as Chief Architect
December 03, 2018
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We are pleased to announce the appointment of Lawrence Nahum as Chief Architect. Lawrence has been with the Blockstream team...
Simplicity: High-Assurance Smart Contracting
research
Simplicity: High-Assurance Smart Contracting
November 28, 2018
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Earlier this month we released for the blockchain language Simplicity: our answer to the problems faced when trying to code...
CryptoFeed: BCH Ticker Updates
cryptocurrency data feed
CryptoFeed: BCH Ticker Updates
November 14, 2018
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Recent events in the cryptocurrency industry have made possible the creation of two new and distinct BCH-based blockchains through a...
Announcing the Liquid Full Node and Wallet Release
liquid
Announcing the Liquid Full Node and Wallet Release
November 06, 2018
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We are excited to announce the availability of Liquid full node binaries and source code! Now any user can join...
Blockstream Block Explorer is Now Live
explorer
Blockstream Block Explorer is Now Live
November 06, 2018
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Following our announcement in August, we are excited to announce our new block explorer located at blockstream.info! Our block explorer...
Welcome to the New Blockstream Website
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Welcome to the New Blockstream Website
October 26, 2018
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Over the last few months our teams have been working hard on refreshed content and a fully responsive design to...
The Launch of the Liquid Network
liquid
The Launch of the Liquid Network
October 10, 2018
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We are excited to announce that the Liquid Network is now live. As the world’s first production Bitcoin sidechain, the...
Liquid Functionaries and the Impact of Hardware Vulnerabilities
research
Liquid Functionaries and the Impact of Hardware Vulnerabilities
October 04, 2018
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Earlier today, Bloomberg released a report indicating that an unknown component was allegedly added to motherboards manufactured by Supermicro. This...
Improving Privacy Using Pay-to-EndPoint (P2EP)
research
Improving Privacy Using Pay-to-EndPoint (P2EP)
August 08, 2018
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Attendees of a community work group recently set themselves the goal of emproving basic transaction privacy in Bitcoin, the aim...
Accelerating Liquid Adoption - Liquid Block Explorer
liquid
Accelerating Liquid Adoption - Liquid Block Explorer
August 02, 2018
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We are excited to announce that Liquid Network members have started the later phases of their integration efforts, and are...
Version 2: Cryptocurrency Data Feed
cryptocurrency data feed
Version 2: Cryptocurrency Data Feed
July 23, 2018
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We are excited to announce the Version 2 launch of the Cryptocurrency Data Feed, a partnership between Intercontinental Exchange (ICE)...
Introducing Issued Assets on Liquid
liquid
Introducing Issued Assets on Liquid
July 02, 2018
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Liquid’s Issued Assets feature was on display at Consensus 2018. Issued Assets (IA) allow Liquid users to create their own...
Announcing c-lightning 0.6
lightning network
Announcing c-lightning 0.6
June 25, 2018
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The long wait is over: we are excited to announce the 0.6 release of c-lightning. This release is an important...
eltoo: A Simplified Update Mechanism for Lightning and Off-Chain Contracts
lightning network
eltoo: A Simplified Update Mechanism for Lightning and Off-Chain Contracts
April 30, 2018
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One of the core innovations that enabled Lightning was an off-chain update mechanism to renegotiate a new state and ensure...
How to build your own portable plug-in Lightning node!
lightning network
How to build your own portable plug-in Lightning node!
April 21, 2018
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A tutorial on how to setup your own portable Lightning node using the USB Armory for easy transport and quick...
Blockstream Reveals New Advances in Block Detection
company
Blockstream Reveals New Advances in Block Detection
April 01, 2018
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Blockchain is complex and blocks can be hard to find, but fear not, the team at Blockstream is always working...
GreenAddress Two-Factor Authentication Recovery Update
green
GreenAddress Two-Factor Authentication Recovery Update
March 30, 2018
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GreenAddress has recently announced a new procedure for enabling access to users’ wallets if they had lost the ability to...
ICE Data Services’ Cryptocurrency Data Feed Is Live
cryptocurrency data feed
ICE Data Services’ Cryptocurrency Data Feed Is Live
March 29, 2018
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ICE’s Cryptocurrency Data Feed is powered by Blockstream and participating exchanges around the world
Blockstream’s Week of LApps Comes to an End
lightning network
Blockstream’s Week of LApps Comes to an End
March 29, 2018
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Blockstream’s week of LApps introduced seven new exciting Lightning Apps to the world. Here’s a look at the whole set,...
The Lightning Jukebox Offers a Fun End to Our Week of LApps
lightning network
The Lightning Jukebox Offers a Fun End to Our Week of LApps
March 28, 2018
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Our week of LApps ends with a fun diversion: the Lightning Jukebox demonstrates how to reimagine an anachronistic device with...
Ifpaytt Brings Lightning Micropayments to IFTTT
lightning network
Ifpaytt Brings Lightning Micropayments to IFTTT
March 27, 2018
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Day six of our week of LApps at Blockstream sees the release of ifpaytt. This new LApp is a companion...
Streamlined Nanopos LApp Offers Point-of-Sale Simplicity
lightning network
Streamlined Nanopos LApp Offers Point-of-Sale Simplicity
March 26, 2018
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Today is the fifth day of our week of LApps and Blockstream is excited to announce the simple point-of-sale solution...
Paypercall Shows the Full Power of Lightning Charge
lightning network
Paypercall Shows the Full Power of Lightning Charge
March 25, 2018
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Today is the fourth day of our week of LApps and we are excited to announce Paypercall, a new Lightning...
Tipping on Lightning with the Nanotip LApp
lightning network
Tipping on Lightning with the Nanotip LApp
March 24, 2018
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Day three of our week of LApps brings us to one of the most desired use-cases for Lightning Network payments:...
Lightning Publisher for WordPress is Our Second New Lightning Charge LApp
lightning network
Lightning Publisher for WordPress is Our Second New Lightning Charge LApp
March 23, 2018
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On day two of the week of LApps, we are excited to announce our second Lightning-powered application! Lightning Publisher for...
FileBazaar Joins the Lightning Charge LApps
lightning network
FileBazaar Joins the Lightning Charge LApps
March 22, 2018
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Welcome to the week of LApps! Blockstream is introducing seven new Lightning apps (LApps), one per day, over the course...
Liquid Release Candidate Network is Ready To Go
liquid
Liquid Release Candidate Network is Ready To Go
March 13, 2018
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Blockstream launched the Liquid Release Candidate Network for participating Liquid exchanges. This new network marks the conclusion of Liquid Beta,...
Smart Signatures - BPASE '18
research
Smart Signatures - BPASE '18
February 23, 2018
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Christopher Allen’s talk at the recent Blockchain Protocol Analysis and Security Engineering (BPASE) 2018 conference overviewed the topic of smart...
Bulletproofs: Faster Rangeproofs and Much More
research
Bulletproofs: Faster Rangeproofs and Much More
February 21, 2018
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Bulletproofs are a new efficient form of zero knowledge proof. Their primary application is to replace the rangeproofs in Confidential...
Schnorr Signatures for Bitcoin - BPASE '18
research
Schnorr Signatures for Bitcoin - BPASE '18
February 15, 2018
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Pieter Wuille also spoke at the Blockchain Protocol Analysis and Security Engineering (BPASE) 2018 conference. He talked about advances for...
Simplicity — A New Language for Blockchains — BPASE '18
research
Simplicity — A New Language for Blockchains — BPASE '18
February 08, 2018
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Russell O’Connor spoke at the recent Blockchain Protocol Analysis and Security Engineering (BPASE) 2018 conference on the new smart contract...
Harnessing Lightning For Instant Bitcoin Transacting — A Tutorial
lightning network
Harnessing Lightning For Instant Bitcoin Transacting — A Tutorial
February 02, 2018
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A tutorial on how to setup your own Lightning node to purchase items or to receive Lightning payments using c-lightning,...
Key Aggregation for Schnorr Signatures
research
Key Aggregation for Schnorr Signatures
January 23, 2018
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Last Monday we published a paper that introduces MuSig, a multi-signature scheme based on Schnorr signatures. This post will dive...
Blockstream Bids Farewell to Gregory Maxwell
company
Blockstream Bids Farewell to Gregory Maxwell
January 19, 2018
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Blockstream CTO Greg Maxwell has left to focus on Bitcoin development.
The Intercontinental Exchange and Blockstream to Deliver Consolidated Bitcoin Trading Data Service
cryptocurrency data feed
The Intercontinental Exchange and Blockstream to Deliver Consolidated Bitcoin Trading Data Service
January 18, 2018
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Intercontinental Exchange, a leading operator of global exchanges and clearing houses and provider of data and listings services, and Blockstream,...
Lightning Charge Powers Developers & Blockstream Store
lightning network
Lightning Charge Powers Developers & Blockstream Store
January 16, 2018
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Lightning improves Bitcoin with lower fees, faster transactions, and better decentralization. Lightning Charge improves Blockstream’s c-lightning implementation with better accessibility...
Lightning Spec Electrifies Bitcoin with Release Candidate
lightning network
Lightning Spec Electrifies Bitcoin with Release Candidate
December 06, 2017
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Blockstream is proud to contribute as one of the implementers of the Lightning Network protocol and to take part in...
Partner News: Blockstream, DG Lab, and The Tokyo Tanshi
company
Partner News: Blockstream, DG Lab, and The Tokyo Tanshi
November 20, 2017
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Announcing expanded partnership news with Blockstream, DG Lab, and The Tokyo Tanshi. New and expanded collaborative efforts to accelerate cryptocurrency...
Simplicity Itself for Blockchains
research
Simplicity Itself for Blockchains
October 30, 2017
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Introducing Simplicity, a new functional programming language for smart contracts that broadens traditional capabilities with expanded functionality, improved safety, and...
The Status of SegWit at Blockstream
company
The Status of SegWit at Blockstream
October 12, 2017
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SegWit went live several weeks ago. In this post you’ll find a status update on a few of Blockstream’s projects...
Gregory Maxwell Talks About Bitcoin 0.15
research
Gregory Maxwell Talks About Bitcoin 0.15
September 14, 2017
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Find out what’s new in Bitcoin Core 0.15 from Greg Maxwell’s recent talk at the SF Bitcoin Devs Meetup.
Different Approaches to Privacy on the Blockchain
research
Different Approaches to Privacy on the Blockchain
September 08, 2017
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Andrew Poelstra is working on three different approaches to privacy on the blockchain, each one with its own advantages. Hear...
Announcing Blockstream Satellite
blockstream satellite
Announcing Blockstream Satellite
August 15, 2017
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Technology has transformed industry after industry, and now it’s revolutionizing money and how people save and transact with each other....
7 Common Myths About SegWit, Debunked
research
7 Common Myths About SegWit, Debunked
July 31, 2017
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The internet brings us many wonderful things such as new business models, new-found access to information, and new technologies like...
Confidentiality Unlocks Blockchains for Businesses
elements
Confidentiality Unlocks Blockchains for Businesses
July 13, 2017
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Learn how the advanced privacy and confidentiality capabilities with Confidential Transactions and Confidential Assets unlock the potential for blockchains in...
Major Milestone: The First Lightning Payment on Litecoin pays from Zurich to San Francisco
lightning network
Major Milestone: The First Lightning Payment on Litecoin pays from Zurich to San Francisco
May 11, 2017
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Since our release of Elements Alpha, we have been hard at work making the codebase production-ready for live, federated-sidechains such...
Joining Blockstream and Making Bitcoin Great Again
company
Joining Blockstream and Making Bitcoin Great Again
April 12, 2017
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Hear from Samson Mow, former COO of BTCChina, about why he's excited to join the Blockstream team as the new...
Blockstream Releases Confidential Assets
elements
Blockstream Releases Confidential Assets
April 03, 2017
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With Confidential Assets you can extend confidentiality to multiple asset types while obscuring which ones are in use in specific...
An Update to the Elements Project
elements
An Update to the Elements Project
January 18, 2017
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Since our release of Elements Alpha, we have been hard at work making the codebase production-ready for live, federated-sidechains such...
Strong Federations, Foundation of Liquid, Whitepaper Released
liquid
Strong Federations, Foundation of Liquid, Whitepaper Released
January 16, 2017
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In our second white paper on sidechains, we discuss the concept of Strong Federations, or a federated blockchain system that...
Welcoming Ben Teitelbaum as Blockstream's VP of Engineering
company
Welcoming Ben Teitelbaum as Blockstream's VP of Engineering
January 05, 2017
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Starting this month, Ben Teitelbaum is joining the leadership team at Blockstream as our new Vice President of Engineering.
Covenants in Elements Alpha
elements
Covenants in Elements Alpha
November 02, 2016
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This post will describe how covenants can be implemented with a small extension to the Bitcoin script language that already...
Outcomes from Lightning Protocol Summit in Milan
lightning network
Outcomes from Lightning Protocol Summit in Milan
October 18, 2016
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Over a dozen representatives from companies leading work on Lightning systems met in Milan last week to establish a shared...
Lightning First Strike: Christian Bought a Cat
lightning network
Lightning First Strike: Christian Bought a Cat
October 05, 2016
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Announcing first end-to-end test of a Lightning micropayment network, including invoicing, multi-hop payment, and item delivery.
Blockstream Appoints Hashcash Inventor Dr. Adam Back as CEO
company
Blockstream Appoints Hashcash Inventor Dr. Adam Back as CEO
October 03, 2016
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Adam has extensive practical experience building teams and shipping products as shown by his track record at organizations large and...
Welcoming New People to Blockstream
company
Welcoming New People to Blockstream
August 12, 2016
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Over the past several months, we have been fortunate to welcome a number of talented people to Blockstream.
Blockstream Acquires Bitcoin Wallet Software Provider GreenAddress
green
Blockstream Acquires Bitcoin Wallet Software Provider GreenAddress
July 27, 2016
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We are pleased to announce that we have acquired GreenAddress, a leading bitcoin wallet software provider based in Europe.
Blockstream Announces Defensive Patent Strategy
company
Blockstream Announces Defensive Patent Strategy
July 19, 2016
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Today we are excited to announce some important steps we are taking on the patent front, why these defensive steps...
Blockstream Welcomes New Investors: Adds $55 Million in Series A
company
Blockstream Welcomes New Investors: Adds $55 Million in Series A
February 02, 2016
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Blockstream is off to a strong start this year with a number of new customer engagements, our announcement of a...
Liquid Recap and FAQ
liquid
Liquid Recap and FAQ
November 02, 2015
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For a young company, nothing is more exciting and vital than announcing the first product. That's why it was so...
Introducing Liquid: Bitcoin's First Production Sidechain
liquid
Introducing Liquid: Bitcoin's First Production Sidechain
October 12, 2015
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Blockstream, in collaboration with an initial set of launch partners, is excited to announce Liquid, our first production sidechain. Liquid...
Tree Signatures
research
Tree Signatures
August 24, 2015
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After the release of Alpha we realized that its script language, thanks to the addition of OP_CAT, enables a simple...
Announcing Sidechain Elements: Open source code and developer sidechains for advancing Bitcoin
elements
Announcing Sidechain Elements: Open source code and developer sidechains for advancing Bitcoin
June 08, 2015
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We’re excited to announce the release of Sidechain Elements. Sidechains extend Bitcoin functionality through interoperable blockchain networks and today’s open...
Gregory Maxwell talks at SF Bitcoin Devs Meetup
research
Gregory Maxwell talks at SF Bitcoin Devs Meetup
April 24, 2015
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Bitcoin Core developer and Blockstream co-founder Gregory Maxwell discusses his recent work on privacy and the future of multi-signature technology...
“Sidechains Unchained” – Epicenter EB65
elements
“Sidechains Unchained” – Epicenter EB65
February 03, 2015
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In a recent episode the Epicenter Bitcoin podcast, posted on February 3, 2015, Adam Back and Gregory Maxwell discuss the motivation...
Reid Hoffman on the Future of the Bitcoin Ecosystem
company
Reid Hoffman on the Future of the Bitcoin Ecosystem
January 13, 2015
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Reprint: “The Future of the Bitcoin Ecosystem and ‘Trustless Trust’ – Why I Invested in Blockstream,” by Reid Hoffman, LinkedIn’s...
Blockstream closes $21M seed round
company
Blockstream closes $21M seed round
November 17, 2014
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“Can’t be evil.” That was the first thing Adam Back and I wrote on a whiteboard at the start of...
Blockstream: A Champion of Bitcoin’s Core Values
company
Blockstream: A Champion of Bitcoin’s Core Values
November 17, 2014
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As someone with some community visibility, I make this commitment to the community: Blockstream will be a robust champion of...
A look at a few Questions and Misconceptions Regarding Pegged Sidechains
research
A look at a few Questions and Misconceptions Regarding Pegged Sidechains
October 30, 2014
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Since releasing our paper, “Enabling Blockchain Innovations with Pegged Sidechains,” we've been pleased with the overwhelmingly positive response from the...
Why We Founded Blockstream
company
Why We Founded Blockstream
October 23, 2014
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We are long-time Bitcoin protocol developers who are convinced that finding an architecturally sound and permissionless way to extend Bitcoin...