New from Blockstream Research: Cryptography Lead Jonas Nick and Mikhail Kudinov analyze post-quantum signature schemes optimized for Bitcoin. Signature sizes reduced to ~3-4KB, practical for on-chain use, while building on hash functions Bitcoin already trusts. Full Paper: https://eprint.iacr.org/2025/2203.pdf

joined Yahoo Finance’s Market Catalysts this morning to break down: 🔹 Why Bitcoin’s 2025 price action looks “lackluster” on the surface 🔹 Why Bitcoin treasury companies are becoming a compelling investment theme 🔹 How today’s landscape compares to when he first got involved in 2013 A great overview of where Bitcoin stands heading into 2026.

In the 1990s, governments tried to ban strong encryption. Cypherpunks printed RSA code on t-shirts to prove a point: you can't stop math. Three decades later, Bitcoin proves they were right: you can't stop math. You can't ban freedom. When printed the original RSA code t-shirt in 1995, he showed that mathematical truth can't be banned. Today's limited edition version carries that spirit forward. Wear the code that challenged authority just by existing. https://store.blockstream.com/products/rsa-t-shirt-2025-limited-edition

A generation is inheriting $72 trillion but their future financial advisors don't understand Bitcoin yet. exposes the gap in the latest "Exit Manual". Self-custody with Jade closes it.

2FA-protected Bitcoin, support, and 25% off Jade for the holiday weekend, all through our desktop app. Get started in minutes. Download the Blockstream app on mobile or dekstop and secure your Bitcoin with Jade at 25% off this weekend. https://blockstream.com/app/

Blockstream users get the best deals. 🔥 Exclusive: 25% off all Jade wallets when you buy through the app. Buy Bitcoin. Secure it. Manage it. All in one platform. Offer ends 11:59 ET Dec 1.

From Roman salt to Bitcoin self-custody in 60 seconds flat. Dad explains the entire history of money at Thanksgiving dinner just to shill his son a Blockstream Jade. 😂 We didn't make this. But we're absolutely stealing it for the holidays! Be the Bitcoin dad. The Blockstream Jade bitcoin hardware wallet is 21% off for the holidays—the perfect gift for anyone ready to take self-custody. Fully open source. Easy to setup. Fits in a stocking. H/t for the edit 🙏 https://store.blockstream.com/products/jade-plus

Before Bitcoin. Before Hashcash implemented proof-of-work. Before the world knew about the Cypherpunks. There was a young with a vision, a keyboard, and zero interest in sleeves. BECOME UNGOVERNABLE with our Adam Back Retro Tee. 100% cotton. https://store.blockstream.com/products/adam-back-retro-tee

Gold has doubled in two years! Markets are searching for safety. Bitcoin offers an alternate route. In "The Gold Reset" breaks down what's unfolding and why self-custody with Blockstream Jade is how you prepare. https://youtu.be/oOblFtazdGM?si=4jKSXzAN86_yV-2p

🚨 New Bitcoin price competition is live on the x.com/BlockstreamJade account! 🚨 Enter there for a chance to win $2100 in BTC!

Core Lightning v25.12 "Boltz's Seamless Upgrade Experience" is here! 🎉 New nodes open with BIP-39 12-word recovery phrases. Existing nodes maintain full backward compatibility. Major performance gains for large nodes and xpay improvements from user feedback. 📊⚡ This release delivers massive performance wins: Postgres reads 30% faster, database latency down 12%, worst-case reduced from 353s to 56.9s. xpay handles Phoenix payments reliably. New networkevents subsystem tracks peer ping times in real-time. https://blog.blockstream.com/core-lightning-25-12-boltzs-seamless-upgrade-experience/ Since v25.09, Core Lightning has merged 520 commits from 24 authors in 92 days. A warm welcome to 3 first-time contributors helping CLN continue evolving with more stability, usability and developer power. Onward. ⚡

Happy Hodldays from Blockstream. 21% off Jades, now through the end of the year. https://store.blockstream.com/products/jade-plus

Awesome integration from one of the most impressive development teams in Bitcoin. Stacking sats directly to Jade, easy QR pairing and PSBT signing. Welcome to the Jade ecosystem, 🤝

Your Jade Plus camera just got a massive upgrade. QR scanning is faster and works in tough conditions. Firmware 1.0.38 also provides important security updates for Jade Classic and Plus. Update via the Blockstream app to get the latest version. Open the Blockstream App on desktop, iOS, or Android. Connect your Jade via USB or Bluetooth. On desktop: you'll be prompted to upgrade, or go to Hardware Devices → select Jade → follow prompt. On mobile: complete initial setup first, then upgrade. https://blockstream.com/app/ Read the full breakdown of the camera adjustments and how these improve air-gapped workflows and recovery features with Jade. https://blog.blockstream.com/jade-plus-camera-update-faster-sharper-and-more-reliable-qr-scanning/

Our CEO sat down with Simply Bitcoin Founder to discuss why retail is asleep while institutions stack harder than ever, why the supply crunch may hit faster than expected, and why layer-2 is critical to Bitcoin's next phase. https://youtu.be/_CzcH-ai-_8?si=BX-mNfe2SjPONg36

The conversation is catching up to what Bitcoiners already know. Energy as currency isn't the future—it's Bitcoin, right now. Self-custody it today with Jade. 25% off exclusively in the Blockstream app. Ends December 1, 11:59 ET.

The latest Jade Plus firmware 1.0.38 update optimizes how the camera handles real-world self-custody tasks: 📸 Air-gapped transaction signing speeds up by over 30% 🔐 SeedQR recovery works even with imperfect scans 🛡️ Enhanced security features and anti-rollback protection To update via Web Portal: Use Chrome or any WebSerial-compatible browser, connect your Jade Plus via USB, navigate to the firmware upgrade portal, and click "Update your Jade" to start. https://jadefw.blockstream.com/upgrade/fwupgrade.html Read the full breakdown of camera performance improvements and what's coming next: https://blog.blockstream.com/jade-plus-camera-update-faster-sharper-and-more-reliable-qr-scanning/

Trad-fi still moves at fax speed. The doesn't. Shares, bonds, and other assets move across the network in a minute and plug directly into Bitcoin markets. explains what global liquidity looks like when it starts moving 24/7 on Bitcoin rails. https://youtube.com/shorts/3nxqD9gvK6Q?feature=share

Blockstream Jade Firmware 1.0.38 Security Update 🛠️ https://x.com/BlockstreamJade/status/1995721980289667490

Five years ago, nobody expected governments and institutions to buy or mine Bitcoin. Now they’re building portfolios around it. Price is down? Opportunity knocks. Download the Blockstream app and stack sats while institutions are still filling out paperwork. We are so early. But not forever. https://blockstream.com/app/

Introducing the Blockstream Metal - SeedQR! Upgrade your SeedQR storage with this disaster-proof titanium backup. Built to withstand fire and water, it protects your 12- or 24-word SeedQR. Ships with everything needed to punch your seed.

“Open protocols win over time.” explains why Bitcoin and its layer-2s will dominate value transfer, and why privacy tech like Confidential Transactions on the has the attention of everyone from cypherpunks to traditional finance. Watch the full talk from the Bitcoin Capital Summit 2025, an initiative by Fulgur Ventures, Blockstream, , H100Group and STOKR during week. https://youtu.be/_yHk8X7QX_A?si=ORbZlBSQ1DHhD4lZhttps://youtu.be/_yHk8X7QX_A?si=5cWtcNHwPUF99iuV

The Jade Plus camera just got its biggest upgrade yet! 🔹 Improved QR Scan reliability ⚡ Up to 50% faster PSBT scans 🔆 QR Brightness adjustment for improved capture from companion apps Update now and scan PSBTs, SeedQRs, and more with sharper, smoother confidence across Bitcoin. 📷 With the latest Jade Plus update you can load a SeedQR and scan PSBTs even faster. Scans are ~35% quicker now, and we're aiming to improve that even more in the coming months. 🌞Now adjust the QR code brightness on your Jade for easier scanning from companion apps. This helps users optimize scans in any lighting condition. Upgrade your Jade via the Blockstream app to unlock these new features! Learn about the full update: https://blog.blockstream.com/jade-plus-camera-update-faster-sharper-and-more-reliable-qr-scanning/