By Andrew Poelstra and Jonas Nick New cryptographic tech to protect users from leaking keys through hardware wallet attacks Introduction In the wake of our recent launch of Blockstream Jade, we’d like to talk about a feature we’ve developed to eliminate the possibility of a certain hypothetical undetectable| Blockstream
Introduction This is the first in a three-part series of blog posts about the latest version of Elements Core. Last week we released Elements 0.21, which is a big milestone — this is the first major version of Elements since 0.18 in September of 2019. This release is the| Blockstream
Introduction This is the second in a series of posts about our recently-released Elements 0.21. In our last post, we discussed Taproot, how it differs in Elements versus Bitcoin, and what our deployment strategy is for Liquid. Since then, Taproot has been activated on Bitcoin! Activation on Liquid will| Blockstream
Bitcoin lets users choose rules to control how their funds can be spent and have them automatically enforced by the network.| Blockstream
We are pleased to announce the release of Core Lightning v25.05, named “Satoshi's OP_RETURN Opinion“ by contributor Peter Neuroth and led by release captain Shahana Farooqi. This release builds upon v25.02, introducing enhancements across user experience, developer tools, and network performance. User and Network Highlights Core Lightning| Blockstream
Over the past decade, we’ve watched the Bitcoin ecosystem explode, with millions of new users onboarding and more ways to interact than ever before. But during this time, we’ve also come to the important realization that, for many people, self-custody is still a challenge. We realized that solving| Blockstream
We are pleased to announce the launch of Core Lightning v25.02. Named “Onion Packet Filler Accreditation” by contributor Se7enZ and led by release captain Alex Myers, this release is focused on maintenance, building upon v24.11 to further improve the stability and functionality of Core Lightning. User and Network| Blockstream
The fresh Bybit exploit in an Ethereum smart contract has revived long-standing debates about the security trade-offs built into the Ethereum protocol. This new incident draws attention to the limitations of the Ethereum Virtual Machine (EVM) and its reliance on complex, stateful smart contracts—particularly when it comes to securing| Blockstream
We are excited to announce the formal relaunch of the Blockstream Explorer API. With this update, we are moving the project into open beta, introducing enhanced infrastructure, simplified onboarding, and transparent pricing to make it easier than ever for developers and businesses to access reliable Bitcoin and Liquid Network data.| Blockstream
Blockstream’s move this week to open a new office in Tokyo in collaboration with Diamond Hands, Japan’s leading Bitcoin strategic consultancy, and Fulgur Ventures, a top investor in Bitcoin-first companies, comes at a pivotal moment. With corporate Bitcoin adoption accelerating along with demand for layer-2 solutions and real-world| Blockstream
It’s an exciting new chapter for Bitcoin finance: we are proud to announce the launch of Blockstream Asset Management (BAM) and two accompanying Bitcoin-based investment funds opening in Q1 2025: the Blockstream Income Fund and the Blockstream Alpha Fund. These funds are specifically designed for institutions and accredited investors| Blockstream
Self-custody is foundational to Bitcoin. It’s what makes it yours—secure, seizure-resistant and entirely under your control.| Blockstream
After a bit of a delay, we are pleased to announce the 24.11 release of Core Lightning, affectionately named by Dusty Daemon. This release comes packed with exciting updates, including enhancements to payments, network performance, and developer tooling. With over 530 commits from 28 contributors over the past 92| Blockstream
Back in 2017, when we first published the Simplicity whitepaper, our mission was to build a smart contracting language that outperforms Bitcoin Script and Ethereum's EVM, offering more expressiveness with stronger safety assurances. Seven years later, we believe we have done it. On October 9th, we activated Simplicity on Liquid| Blockstream
Grassroots outreach and action, especially through local Bitcoin meetups, have been instrumental in transforming Bitcoin from a niche technology into a permanent fixture in finance. Bitcoin's narrative is not shaped, for example, by an official marketing department or spokesperson, but by the persistent efforts of everyday people like you. This| Blockstream
The Liquid Network provides advanced features, such as Confidential Transactions, Issued Assets, atomic swaps, cross-chain swaps with Lightning, generic multisig and hardware wallet support with Jade. It supports more advanced protocols like asset-backed loans with escrows that can also be secured by covenants, and fully-collateralized options contracts. These features can| Blockstream
One thing even the harshest Bitcoin critics concede is the revolutionary, world-changing potential of blockchain technology. Despite the recent bear market, we have so far seen a steady stream of announcements for blockchain pilots and tokenization projects from a host of major players. Overall, investment in these technologies within the| Blockstream
Traditionally, creating an n-of-n multisig using CHECKMULTISIG means you would publish a proportional number of signatures and public keys on the blockchain to signers in the transaction. This approach not only reveals the total number of participants in the transaction, but also incurs progressively higher transaction fees as the number| Blockstream
Ever since the Bitcoin community embarked on discussions surrounding the optimization of covenants, there has been a growing interest in learning more about their tradeoffs and the covenants already deployed on the Liquid Network. In light of this renewed interest and to encourage further discussion, let's review some of Liquid's| Blockstream
This is the third and final post in our series about the improvements we’ve deployed on Liquid as part of our Taproot launch.| Blockstream
Introduction Our last blog post about Simplicity was nearly ten months ago, and since then we have been hard at work pushing Simplicity toward a production-ready deployment. The previous update described the disconnect combinator, a low-level component of the Simplicity language that can be used to implement delegation and looping,| Blockstream
Blockstream is proud to announce that the fourth tranche of the Blockstream Mining Note Series 1 (BMN1) will be available to investors on STOKR, Wednesday, October 6th, 2021.| Blockstream
