Blockstream

“Open protocols win over time.” nostr:nprofile1qyw8wumn8ghj7mn0wd68yttjv4kxz7fwwak8vuewwdcxzcm9qythwumn8ghj7mn0wd68ytnxd46zuamf0ghxy6t6qqsqyredyxhqn0e4ln0mvh0v79rchpr0taeg4vcvt64te4kssx5pc0sk99k65 explains why Bitcoin and its layer-2s will dominate value transfer, and why privacy tech like Confidential Transactions on the nostr:nprofile1qqsfjzteswm5cuyqpvvz40r0vszx4dcyql5u40xkeats5w9d48hht4guz0cnd has the attention of everyone from cypherpunks to traditional finance. https://blossom.primal.net/800ce380802b4401081a7f5f8a9dd54a9c8e5be0910035353e191fa1ead8cc28.mp4 Watch the full talk from the Bitcoin Capital Summit 2025, an initiative by Fulgur Ventures, Blockstream, nostr:nprofile1qyfhwue69uhkcmmrv9kxsmmnwsarwdehxuqjyamn8ghj7mnpwvh8jatwd9jhyun0v3exjem4v4azucm0d5argwp58qhsqgpfzgk72hyql95jr35ywwdjvu4p4ulgezqgys6kafl2yrrzq52jzqmxlfwh , H100Group and STOKR during nostr:nprofile1qyv8wue69uhnzwpc9ccnzdewxg6zuv3nx5argwp58qqnyamnwvaz7tmvde3xjarn9eekzar0wd5xjumfvahxzmpwvdhk6tmwdaehgunjv4kxz7f02y69ynn2v4ehxqpqawnu9vg352863e7tqlc6urlw7jgdf8vf00tmr76uuhflp4nnn68s35x23h 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. https://blossom.primal.net/355cc9f210d61b28135e09c01b36e58cb75a483d49c1c2cdd15702d48780c400.mp4 📷 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. https://blossom.primal.net/3a93e3fea9616c16e6c36f2b5c46f340774234ed178cd3327479f12b65a93b4d.mp4 🌞Now adjust the QR code brightness on your Jade for easier scanning from companion apps. This helps users optimize scans in any lighting condition. https://blossom.primal.net/5ebeb930adca3f5edfe25825504c15dc7f2194a1cb605d96bd6495b832cffdc6.mov 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/

Our CEO nostr:nprofile1qyw8wumn8ghj7mn0wd68yttjv4kxz7fwwak8vuewwdcxzcm9qythwumn8ghj7mn0wd68ytnxd46zuamf0ghxy6t6qqsqyredyxhqn0e4ln0mvh0v79rchpr0taeg4vcvt64te4kssx5pc0sk99k65 has been building cypherpunk systems for decades—starting even before Bitcoin existed! Now he'll share insights on "Designing Systems from the Cypherpunk Perspective" on the Treasury Stage nostr:nprofile1qyxhwumn8ghj7cnjvghxjme0qyt8wumn8ghj7etyv4hzumn0wd68ytnvv9hxgtcqypvlhmnnd80hwy7mh75mhkcgjtrzaw5jjgexzhr07fu8mguyedms7ydwvc3 Conference in Amsterdam with Shinobi. 📅 Nov 14, 3:30pm

At Lugano Plan B our CEO nostr:nprofile1qyw8wumn8ghj7mn0wd68yttjv4kxz7fwwak8vuewwdcxzcm9qythwumn8ghj7mn0wd68ytnxd46zuamf0ghxy6t6qqsqyredyxhqn0e4ln0mvh0v79rchpr0taeg4vcvt64te4kssx5pc0sk99k65 sat down with Beincrypto where he spoke on everything from Satoshi's emails to Simplicity's launch on nostr:nprofile1qqsfjzteswm5cuyqpvvz40r0vszx4dcyql5u40xkeats5w9d48hht4guz0cnd. https://youtu.be/TVqnZzkdibo?si=4JLlCtzHWW_4GmmG

Most Lightning wallets blur the line on custody. In the latest blog from the VLS Project, Greenlight stands out as the model that lets builders offer Lightning access through apps or wallets without giving up control. ⚡️ Node ops in the cloud, signing on-device. Built on Core Lightning and powered by the VLS Project, Greenlight shows how to implement Lightning infrastructure without custody risk: ✅ Professionally managed nodes ✅ Validated signing on user devices ✅ APIs for wallets and services to go self-custodial Read the full custody-model report: http://vls.tech/posts/lightning-custody-models

Zero filter, all signal. Blockstream Research Director Andrew Poelstra joined nostr:nprofile1qy2hwumn8ghj7etyv4hzumn0wd68ytnvv9hxgqgdwaehxw309ahx7uewd3hkcqpqya6ds0y0j7yutq6pg2ftzxfvgdzaklls64g75vh0522c7svj7mjsdmtx6y covering: Privacy development challenges. BTC options strategies for rebalancing. What happens when hash rate exceeds Bitcoin's needs https://www.youtube.com/live/fnay8Rdodwk?si=-Pv2zv-m6WxKEF8u

Blockstream Research is pushing Bitcoin's boundaries with high-assurance scripting and advanced cryptography. Andrew Poelstra joins Rob Wallace on nostr:nprofile1qyt8wumn8ghj7etyv4hzumn0wd68ytnvv9hxgtcprdmhxue69uhhgmmw09hjuats9eexz6tvwashjtnpwpcz7qgswaehxw309ahx7um5wghx6mmd9uqsuamnwvaz7tmwdaejumr0dshszythwden5te0dehhxarj9ekxzmny9uq36amnwvaz7tmwdaehgu3wvf5hgcm0d9hx2u3wwdhkx6tpdshszythwden5te0dehhxarj9emkjmn99uq36amnwvaz7tmjv4kxz7fwvehkxatndan8g6rpwfjzuamfdchsz9thwden5te0wfjkccte9ejxzmt4wvhxjme0qqszwaxc8j8e0zw9sdq59y43rykyx3wm0lcd2502xth699v0gxf0degv9hpwt to connect the work to what's happening in Bitcoin right now. Tune in Monday at 12pm ET. https://www.youtube.com/live/fnay8Rdodwk?si=M9qWiH4gNMv-DiYb

Ethereum had its chance. Solana burned billions. Now Bitcoin is getting high-assurance smart contracts through Simplicity on the nostr:nprofile1qqsfjzteswm5cuyqpvvz40r0vszx4dcyql5u40xkeats5w9d48hht4guz0cnd. The future of finance runs on Bitcoin. Simplicity TX live on the Blockstream Explorer ⬇️ What you're seeing: A transaction spending from a Simplicity program. https://blockstream.info/liquid/tx/9d968310e55172871182cfc6fd33a5e2bc5c8ba8fc1f7c4ef5743163ac8b998a?expand

When money goes digital without decentralization, control shifts from people to institutions. Bitcoin fixes this. Watch the latest from nostr:nprofile1qyt8wumn8ghj7ct5d3shxtnwdaehgu3wd3skueqpz4mhxue69uhk2er9dchxummnw3ezumrpdejqqgpnkeqsw4f3nudn3wwr0jg5y5wft2rhd7hvmcmv6r7xxhp4tvrn55ve7rzq to see what's coming and learn why using Jade is the best way to maintain your freedom. https://www.youtube.com/watch?v=Xnw5LRVAp0Q

A huge thank you to the Lugano Plan B team, nostr:nprofile1qyv8wue69uhnzwpc9ccnzdewxg6zuv3nx5argwp58qqnyamnwvaz7tmvde3xjarn9eekzar0wd5xjumfvahxzmpwvdhk6tmwdaehgunjv4kxz7f02y69ynn2v4ehxqpqawnu9vg352863e7tqlc6urlw7jgdf8vf00tmr76uuhflp4nnn68s35x23h, PoW Space, Satoshi Spritz, and Spazio21 for hosting an incredible week! We had a great time connecting with builders, showing new tech, and celebrating the future of Bitcoin. See you all next year in Lugano. ⚡🇨🇭 https://blossom.primal.net/e0c059914c014615757effb8520c1be5f6b6ca2389211a4f87dc9cbf0f84b3ff.mp4

The latest $128M Balancer exploit is a reminder of something fundamental: most smart contracts today rely on audit-based hope*.* Developers write complex code, auditors review it, and everyone hopes there are no hidden logic flaws. But hope isn’t assurance. --- Simplicity takes a different approach. Developed by Blockstream Research in 2017, it’s a formally verifiable language. Meaning contracts can be mathematically proven to do exactly what they’re intended to do, and nothing more. No audits are required to verify the contract is doing what it is supposed to do. --- To understand why this matters, consider what causes most DeFi hacks: - Ambiguous conditions - Unchecked assumptions - Logical edge cases that humans miss Audits catch some of these, but not all. Simplicity eliminates ambiguity at the language level. --- How does it work? Simplicity is designed to be mathematically rigorous and predictable. As a low-level functional language, it allows mechanical reasoning about behavior, with proofs verifiable before any on-chain deployment. --- General-purpose languages are great for flexibility, but that flexibility comes at a cost: ambiguity. A single unchecked assumption in a general-purpose contract can have systemic financial consequences. --- Simplicity was engineered for high-assurance financial programming, where correctness, termination, and behavior can be *proven* before deployment. Its semantics are clear, and its outcomes deterministic. --- The goal isn’t “more expressive” smart contracts. It’s contracts that can’t fail silently, because they’ve been verified to work exactly as intended. That’s the difference between general-purpose code and high-assurance engineering. --- Simplicity was launched on the nostr:nprofile1qqsfjzteswm5cuyqpvvz40r0vszx4dcyql5u40xkeats5w9d48hht4guz0cnd July 31, 2025 and has been live since. Further integrations are underway for: - AMP - Enabling verifiable issuance and asset control - Enterprise Custody Solutions (ECS) - providing proof-backed execution paths for institutional custody workflows --- Simplicity prioritizes reliability over expressiveness. Rather than expanding complexity, it establishes a verifiable foundation. --- In short: Simplicity moves smart contracting from “we think this is secure” to “we can prove it is.” The Future of Finance Runs on Bitcoin 👉 Learn more: https://simplicity-lang.org/

Today marks 17 years since Satoshi Nakamoto released the Bitcoin Whitepaper — introducing a peer-to-peer electronic cash system with no trusted parties, built on proof-of-work from nostr:nprofile1qqsqyredyxhqn0e4ln0mvh0v79rchpr0taeg4vcvt64te4kssx5pc0smkyggq' Hashcash. This idea changed money forever. See a recreation of the moment Satoshi reached out to nostr:nprofile1qqsqyredyxhqn0e4ln0mvh0v79rchpr0taeg4vcvt64te4kssx5pc0smkyggq about Hashcash to cite in the Bitcoin whitepaper, an email exchange that helped lay the foundation for proof-of-work and the entire Bitcoin network. https://blossom.primal.net/49544ca48999fe5ca9747a6ca55979cec2a3fc095db343c9013bb045fb64bf83.mp4 “The root problem with conventional currency is all the trust that’s required to make it work.” — Satoshi Nakamoto, Bitcoin Whitepaper Secure your stack without a trusted third party. https://store.blockstream.com/products/jade-plus The blueprint for freedom is still hosted on Blockstream servers. Reread it today and remind yourself what Bitcoin is built on. 🔗 https://blockstream.com/bitcoin.pdf

No matter who’s folding your laundry, Jade’s Blind Oracle security architecture keeps your bitcoin safe from “evil maid” attacks.

Our CEO nostr:nprofile1qyw8wumn8ghj7mn0wd68yttjv4kxz7fwwak8vuewwdcxzcm9qythwumn8ghj7mn0wd68ytnxd46zuamf0ghxy6t6qqsqyredyxhqn0e4ln0mvh0v79rchpr0taeg4vcvt64te4kssx5pc0sk99k65 explains how the nostr:nprofile1qqsfjzteswm5cuyqpvvz40r0vszx4dcyql5u40xkeats5w9d48hht4guz0cnd now has over $4B TVL in real-world assets like MicroStrategy and Metaplanet shares that are trading 24/7 and priced in BTC. https://blossom.primal.net/da87096963970ff4d6425f786c0d9d326afc1344b6ec18bf3f10f63a48b929de.mp4

We’re proud to return to Lugano Plan B, Europe’s hub for those turning Bitcoin’s potential into working systems. nostr:nprofile1qyw8wumn8ghj7mn0wd68yttjv4kxz7fwwak8vuewwdcxzcm9qythwumn8ghj7mn0wd68ytnxd46zuamf0ghxy6t6qqsqyredyxhqn0e4ln0mvh0v79rchpr0taeg4vcvt64te4kssx5pc0sk99k65 will showcase Bitcoin as the base layer for global finance and the Blockstream crew will be demoing Jade in Villa Ciani and hosting workshops in Spazio21. 🧵⬇️ https://blossom.primal.net/e46d88837b22c9fef595b81c1eb22552bffc6e4546aaa2cdedcfaa0916573d3d.mp4 Hands-on self-custody starts here. Valeria Vaccaro walks through how to build and run your own Jade. Learn self-custody from the engineers behind the tech. Oct 24 · 12:00 PM · Custody Room · Spazio21 If you build on Bitcoin, you’ll want front row. nostr:nprofile1qyw8wumn8ghj7mn0wd68yttjv4kxz7fwwak8vuewwdcxzcm9qythwumn8ghj7mn0wd68ytnxd46zuamf0ghxy6t6qqsqyredyxhqn0e4ln0mvh0v79rchpr0taeg4vcvt64te4kssx5pc0sk99k65 joins Olaoluwa Osuntokun, Federico Tenga and nostr:nprofile1qyt8wumn8ghj7etyv4hzumn0wd68ytnvv9hxgtcpr3mhxue69uhkummnw3ez6ur4vgh8xetdd9ek7mpwv3jhvtcqyqvlaltl88yk6tlhd7rlwcn6u7g5t0yhrk9tyvs9qpvnnfdfzw7z7uxh02q to talk “Assets on Bitcoin” leveraging platforms like the nostr:nprofile1qqsfjzteswm5cuyqpvvz40r0vszx4dcyql5u40xkeats5w9d48hht4guz0cnd, Bitfinex, and Lightning. Oct 24 · 2:30 PM · P2P Stage · Lugano Plan B Not your keys, not your coin! Blockstream's Alessandro Sagli walks through how to manage your Bitcoin with Jade from setup to full control. 2:30 PM · Custody Room · Spazio 21 Self-custody starts with true randomness. 🎲 Join Blockstream hardware engineer Valerio Vaccaro on the Italian stage at Lugano Plan B for a live session on “Entropy Generation with Dice.” 🗓️ Oct 25 · 16:00–17:00 · Custody Room Valerio will also break down SHA256 and show how a mini-miner brings Bitcoin’s proof of work to life. 2:30 PM and 4:00PM · Mining Room · Lugano Plan B Balance shows zero? Don’t panic. Blockstream’s Alessandro Sagli walks through the most common failure modes in Bitcoin custody and how to recover your funds safely. 10:30 AM · Spazio 21 Join Jade Engineers Valerio Vaccaro and Riccardo Casatta for “Master of the Keys”. A hardware wallet multisig masterclass from innovators in the industy. Oct 25 · 2:00 PM · UTXO Room Sound money changes how companies think. nostr:nprofile1qyw8wumn8ghj7mn0wd68yttjv4kxz7fwwak8vuewwdcxzcm9qythwumn8ghj7mn0wd68ytnxd46zuamf0ghxy6t6qqsqyredyxhqn0e4ln0mvh0v79rchpr0taeg4vcvt64te4kssx5pc0sk99k65 takes the stage with Jack Mallers, Paolo Ardoino and nostr:nprofile1qyt8wumn8ghj7etyv4hzumn0wd68ytnvv9hxgtcp2amhxue69uhkv6tvw3jhytnwdaehgu3wwa5kuef0dec82c33wv6hjufkwaskgamj0pjx2drvdpn8xdfkvahrvdrgwaa826rwvesnvu3ed44rgdekwg6hxdrgdd6ku7n80fchyuekwymh5qpqs5yq6wadwrxde4lhfs56gn64hwzuhnfa6r9mj476r5s4hkunzgzqjx5gu2 to explore “The Evolution of Corporate Treasuries: Embracing Bitcoin” Oct 25 · 2:30 PM · WAGMI Stage Your node defines your view of Bitcoin. It’s how you connect, verify, and interact with the network. Leonardo Comandini explains how to choose and configure the right setup for your stack. 2:30 PM beginners 4:00PM Advanced · Nodes Room · @Spazio21 Blockstream nostr:nprofile1qqsfjzteswm5cuyqpvvz40r0vszx4dcyql5u40xkeats5w9d48hht4guz0cnd Engineer Leonardo Comandini joins Frederico Tenga, nostr:nprofile1qyt8wumn8ghj7ct5d3shxtnwdaehgu3wd3skueqpp3mhxue69uhkyunz9e5k7qpqw4sf3hsedukh33akdn5duld2yc5jlk6s02shur8553j0a59sm3jsdjp242, Bit Walt and Mattia to discus Digital assets on Bitcoin. Oct 25 · 3:30 PM · Patio · Spazio21 Italian Language Join key Core Lightning contributor and Greenlight Principal Engineer Christian Decker for a panel with Olaoluwa Osuntokun, nostr:nprofile1qyt8wumn8ghj7etyv4hzumn0wd68ytnvv9hxgtcpr3mhxue69uhkummnw3ez6ur4vgh8xetdd9ek7mpwv3jhvtcqyryngphdstprzqvu78vkwqygfl0d78matge05d5tzzexpnrfrr62zjtkjyr, and John Carvalho as the delve “Inside Lightning Implementations” Moderator: nostr:nprofile1qyv8wumn8ghj7urjv4kkjatd9ec8y6tdv9kzumn9wsq3vamnwvaz7tmjv4kxz7fwwpexjmtpdshxuet5qqsqfjg4mth7uwp307nng3z2em3ep2pxnljczzezg8j7dhf58ha7ejgqgzx3h Oct 25 · 5:00 PM · P2P Stage Capital markets are moving towards tokenization on platforms like the nostr:nprofile1qqsfjzteswm5cuyqpvvz40r0vszx4dcyql5u40xkeats5w9d48hht4guz0cnd and Bitfinex Securities. nostr:nprofile1qyw8wumn8ghj7mn0wd68yttjv4kxz7fwwak8vuewwdcxzcm9qythwumn8ghj7mn0wd68ytnxd46zuamf0ghxy6t6qqsqyredyxhqn0e4ln0mvh0v79rchpr0taeg4vcvt64te4kssx5pc0sk99k65 joins Gabor Gurbacs, Jonathan Krane and Jesse Knutson to discuss how transparency and settlement shift when finance runs on Bitcoin. Oct 25 · 5:15 PM · WAGMI Stage

Packed house at the Bitcoin Capital Summit for the “Mapping the Path Forward” panel. nostr:nprofile1qyw8wumn8ghj7mn0wd68yttjv4kxz7fwwak8vuewwdcxzcm9qythwumn8ghj7mn0wd68ytnxd46zuamf0ghxy6t6qqsqyredyxhqn0e4ln0mvh0v79rchpr0taeg4vcvt64te4kssx5pc0sk99k65 with Paolo Ardoino, Willy Woo, and nostr:nprofile1qyt8wumn8ghj7etyv4hzumn0wd68ytnvv9hxgtcp2amhxue69uhkv6tvw3jhytnwdaehgu3wwa5kuef0dec82c33wv6hjufkwaskgamj0pjx2drvdpn8xdfkvahrvdrgwaa826rwvesnvu3ed44rgdekwg6hxdrgdd6ku7n80fchyuekwymh5qpqs5yq6wadwrxde4lhfs56gn64hwzuhnfa6r9mj476r5s4hkunzgzqjx5gu2 discussing Bitcoin’s next chapter.

At the Bitfinex Securities day Lugano nostr:nprofile1qyw8wumn8ghj7mn0wd68yttjv4kxz7fwwak8vuewwdcxzcm9qythwumn8ghj7mn0wd68ytnxd46zuamf0ghxy6t6qqsqyredyxhqn0e4ln0mvh0v79rchpr0taeg4vcvt64te4kssx5pc0sk99k65 joins Paolo Ardoino for "The Tokenised Future of Markets" panel hosted by Jesse Knutson. Exploring how Bitcoin and tokenisation are reshaping capital markets, from bonds to real-world assets and beyond. 🏦

Meet nostr:nprofile1qyw8wumn8ghj7mn0wd68yttjv4kxz7fwwak8vuewwdcxzcm9qythwumn8ghj7mn0wd68ytnxd46zuamf0ghxy6t6qqsqyredyxhqn0e4ln0mvh0v79rchpr0taeg4vcvt64te4kssx5pc0sk99k65 at Lugano Plan B He’ll be at the Blockstream booth signing Jade hardware wallets, taking photos, and talking Bitcoin. 📍 Room 009, Villa Ciani 🗓 Friday at 12:30 https://blossom.primal.net/f0fcc505da703b6cb74b55e73d8ee803c4c33d7b520b93051c5a35fc40b73839.mp4

Blockstream media appearances are underway at Lugano Plan B. Our CEO nostr:nprofile1qyw8wumn8ghj7mn0wd68yttjv4kxz7fwwak8vuewwdcxzcm9qythwumn8ghj7mn0wd68ytnxd46zuamf0ghxy6t6qqsqyredyxhqn0e4ln0mvh0v79rchpr0taeg4vcvt64te4kssx5pc0sk99k65 joined nostr:nprofile1qythwumn8ghj7ct5d3shxtnwdaehgu3wd3skuep0qyt8wumn8ghj7etyv4hzumn0wd68ytnvv9hxgtcqyps2tjcydfsvcpptv5z855hfqygcuzedqafj0uktuc8m55n46dcexac8qku host nostr:nprofile1qyt8wumn8ghj7cnfw33k76twv4ezuum0vd5kzmqpramhxue69uhky6t5vdhkjmndv9uxjmtpd35hxarn9ehkumrfdejsqgz8905ljfjwagf9fu4j7lxjmgxrr8dwfljv6eylqsjwjs35mjk0juk0rayz to talk scaling, market cycles, and the next wave of Bitcoin adoption. 🌊⚡

Today in Lugano with STOKR and Fulgur Ventures we’re hosting Bitcoin’s brightest minds for the Bitcoin Capital Summit. Where capital meets cryptography and balance sheets turn Bitcoin-native. ⚡