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Blockstream
14.3K posts
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Blockstream
@Blockstream
Building the rails for Bitcoin finance. Enterprise, consumer, asset management. The future of finance runs on ₿. Support: @BlockstreamHelp
blockstream.com/app
Joined January 2014
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  • Pinned
    user avatar
    Blockstream
    @Blockstream
    Apr 15
    Post-quantum research for Bitcoin is well underway @blksresearch. Get the full picture, and what we’ve been up to: ⚛️ blockstream.com/quantum
    46K
  • user avatar
    Blockstream
    @Blockstream
    18h
    An unconfirmed transaction isn't lost, it's waiting its turn in the mempool, and the fee you paid is its place in line. In a hurry? Bump the fee in the Blockstream app to move up the queue.
    00:00
    14K
  • user avatar
    Blockstream
    @Blockstream
    19h
    Today, losing your hardware wallet is fine. Your recovery phrase gets you back in. In a post-quantum signing setup, the device also holds state: a running count of how many times it has signed. That state matters for security. SHRINCS is designed so that if the device is
    00:00
    7.5K
    user avatar
    Blockstream
    @Blockstream
    19h
    The fallback needs no state, so a lost device is never a lost wallet. More expensive to spend from, but always accessible. @blksresearch Director @n1ckler on building a post-quantum scheme that stays safe even when hardware fails:
    OP_CHECKSHRINCS: A Hash-Based Signature Opcode for Post-Quantum Bitcoin
    From blog.blockstream.com
    971
  • user avatar
    Blockstream
    @Blockstream
    19h
    Spending on @Liquid_BTC is going near-instant. 0-conf brings safe-to-act-on transfers, now in public beta with a full release around the corner. And with the issuance cap removed, issuers can mint stablecoins and other Issued Assets at real-world scale. The full Liquid roadmap
    blog.blockstream.com
    Blockstream Quarterly Update - Q2 2026
    From a proposed post-quantum opcode to a reimagined Jade lineup and a Liquid roadmap with dates, here's what Blockstream shipped in Q2 2026.
    7.5K
  • user avatar
    Blockstream
    @Blockstream
    Jul 9
    Selling Bitcoin is typically dangerous. The price runs out of reach and you end up buying back higher. Or out of the market entirely. @adam3us on why Bitcoin investors are survivors.
    00:00
    4.1K
    user avatar
    Blockstream
    @Blockstream
    Jul 9
    Stubborn or principled. Either way, your bitcoin belongs in self-custody.
    Blockstream App: A multi-platform, feature-rich Bitcoin and Liquid Wallet.
    From blockstream.com
    827
  • user avatar
    Blockstream
    @Blockstream
    Jul 9
    Article cover image
    Article
    Welcome to the New Simplicity
    Simplicity just got a fresh new look. The redesigned site matches where the language is today: live on Liquid mainnet, running real financial contracts, and built for the developers and institutions...
    9.2K
  • user avatar
    Blockstream
    @Blockstream
    Jul 8
    Satoshi chose secp256k1 for Bitcoin’s cryptography. @n1ckler and @blksresearch are among the co-maintainers of libsecp256k1, the library every Bitcoin node runs to implement it. Researching what comes next is a natural extension of that work.
    00:00
    10K
    user avatar
    Blockstream
    @Blockstream
    Jul 8
    More on how @blksresearch contributes to Bitcoin's cryptographic foundations.
    Blockstream Research Brings libsecp256k1-zkp Back Up to Speed
    From blog.blockstream.com
    6.8K
  • user avatar
    Blockstream
    @Blockstream
    Jul 8
    Bitcoin transactions could get cheaper by combining signatures across transactions. DahLIAS is a new signature scheme being worked on by @blksresearch, a building block for cross-input signature aggregation (CISA). Watch @real_or_random present DahLIAS in full at EUROCRYPT
    18K
    user avatar
    Blockstream
    @Blockstream
    Jul 8
    Full paper:
    user avatar
    Blockstream Research
    Blockstream
    @blksresearch
    Mar 11
    Excited to share that our DahLIAS paper has been accepted to Eurocrypt 2026! 🎉 DahLIAS enables cross-input signature aggregation (CISA) on Bitcoin’s secp256k1 curve. See you in Rome, May 10–14! Thanks to @yannickseurin (@Ledger), @real_or_random & @n1ckler (@blksresearch)!
    1.9K
  • Blockstream reposted
    user avatar
    Blockstream Research
    Blockstream
    @blksresearch
    Jul 7
    Full aggregation for BIP340 signatures, now as a draft BIP. It specifies DahLIAS, an aggregate signature scheme and can serve as a basis for future cross-input signature aggregation (CISA) proposals. Thanks to @fjahr for the spec work. More background on DahLIAS 👇
    user avatar
    light 📜
    @lightcoin
    Jul 6
    BIP draft: Full-Aggregation of BIP 340 Signatures by @fjahr 👀 groups.google.com/g/bitcoindev/c…
    Abstract

This document describes full-aggregation of BIP 340 signatures, a standard for the DahLIAS interactive aggregate signature scheme. Full-aggregation is an interactive process for aggregating a collection of signatures into a single aggregate signature. The resulting aggregate signature has the same size as a single BIP 340 signature (64 bytes), regardless of the number of signers.
    7.1K
  • Blockstream reposted
    user avatar
    Blockstream
    @Blockstream
    Jul 3
    Article cover image
    Article
    Blockstream Quarterly Update - Q2 2026
    In the latest quarterly update, the Blockstream team turned months of research and roadmaps into products shipped. We proposed a post-quantum signature opcode for Bitcoin, introduced a brand new Jade...
    5.5K
  • user avatar
    Blockstream
    @Blockstream
    Jul 6
    The Blockstream Explorer API is home to one of the fastest ways to sync a Bitcoin wallet. With QuickSync, you send one descriptor and get the complete history back in a single response. Grab an API key and see it for yourself. 🔗 dashboard.blockstream.info
    00:00
    9.5K
  • user avatar
    Blockstream
    @Blockstream
    Jul 6
    Bitcoin's neutrality is its edge. @adam3us on why a decentralized asset with no company in control wins: rivals won't build on each other's chains, but everyone can build on Bitcoin.
    00:00
    13K
  • user avatar
    Blockstream
    @Blockstream
    Jul 3
    Q2 was Blockstream moving from research to release. @blksresearch took post-quantum Bitcoin from a live deployment on @Liquid_BTC to OP_CHECKSHRINCS, a signature opcode the whole network can evaluate. @BlockstreamJade became a three-model lineup, with the new Jade Core turning
    blog.blockstream.com
    Blockstream Quarterly Update - Q2 2026
    From a proposed post-quantum opcode to a reimagined Jade lineup and a Liquid roadmap with dates, here's what Blockstream shipped in Q2 2026.
    4.1K
  • user avatar
    Blockstream
    @Blockstream
    Jul 3
    Article cover image
    Article
    Blockstream Quarterly Update - Q2 2026
    In the latest quarterly update, the Blockstream team turned months of research and roadmaps into products shipped. We proposed a post-quantum signature opcode for Bitcoin, introduced a brand new Jade...
    5.5K