Blockstream
@Blockstream
Building the rails for Bitcoin finance. Enterprise, consumer, asset management.
The future of finance runs on ₿.
Support: @BlockstreamHelp
2.2K Following 213.4K Followers
Stronger security for your bitcoin without giving up control. No single key can move it, and you can always recover without us.
Multisig is back in the Blockstream app.
Easily access a higher level of Bitcoin security. Multisig is back in the Blockstream app.
2of3 with 2FA: you hold two of the three keys. One on your phone, a backup offline on @BlockstreamJade or @Blockstream Metal. Blockstream cosigns when you authorize with a 2FA code.
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Help someone you care about start with Bitcoin without all the pressure on them.
You can be the one who gets a friend or family member into Bitcoin properly. @Blockstream Jade creates a separate recovery phrase for their wallet, and nothing of yours is exposed.
Keep the index number and you stay their safety net.
Watch how BIP85 recovery phrases work.
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Blockstream is a headline sponsor of the Digital Assets Forum New York on November 13, hosted by @DAF_Global.
Catch our CEO @adam3us on stage, then join our private room for a full day on enterprise custody, quantum readiness and tokenization, with live demos. 🇺🇸
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@BlockstreamApp How 2FA Protected accounts work:
Travel with bitcoin and keep it protected. With 2FA multisig, one key stays on your device and Blockstream holds the other behind two-factor authentication.
Full setup in the @BlockstreamApp.
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Silent Payments let you share one static address while every payment lands somewhere new and unlinkable. Making that work for multiparty wallets is a harder problem.
@olkurbatov of @blksresearch takes it on at @btcplusplus Seoul, November 5-6. 🇰🇷
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Your bitcoin, your choice of coins.
Keep your payments more private and your fees lower, now on every device.
It's been a long time coming. Coin selection is now in the Blockstream app on iOS, Android and desktop.
Choose exactly which coins each payment spends. Keep coins from different sources apart, combine small ones when fees are low, and decide what each transaction reveals.
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Post-quantum signatures have to work for low-power hardware wallets, miners, Lightning nodes and every node verifying blocks.
@n1ckler of @blksresearch at @LuganoPlanB on how SHRINCS balances signature size against those needs.
Test your use case in our open-source explorer 👇
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Happening in two weeks: Electrum connections to on its legacy ports will stop serving data on
📅 November 9, 2026
Switch to the new endpoints in the image: port 50002 for TLS, 50001 for TCP. REST API users don't need to do anything.
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Blockstream is making headlines in Lugano, from our new office to quantum security.
Blockstream Consulting Services gives Swiss banks and asset managers direct access to our experts.
Check out coverage from @CdT_Online, @finews_ch and @BitcoinMagazine featuring @adam3us. 🇨🇭
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Day two at @LuganoPlanB: @n1ckler of @blksresearch on the race to replace Bitcoin's signatures, Jade Plus from @BlockstreamJade at the booth, NFC cards paying out in @Liquid_BTC, and self-custody workshops at Asilo Ciani. That's a wrap.
Thank you, Lugano. 🇨🇭
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At @LuganoPlanB, @blksresearch Director Jonas Nick (@n1ckler) answered the question everyone's asking: will AI break Bitcoin's cryptography?
Spoiler alert: no.
AI is changing how software gets built and secured, and Bitcoin is at the forefront of it.
@pwbain, CMO of Blockstream, on the opportunity: better development practices with the latest frontier models, ongoing research, and a global community working together to make the network stronger.
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Happening now at Asilo Ciani: The Role of the Node in Self-Custody with @gianguazz, on why verifying your own transactions is part of holding your own keys. In Italian, during @LuganoPlanB.
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On the P2P Stage now at @LuganoPlanB: @n1ckler, Director of @blksresearch, on the race to replace Bitcoin's signatures: quantum, AI and hash functions.
In 30 minutes: The Role of the Node in Self-Custody, with @gianguazz.
Why verifying your own transactions is part of holding your own keys.
16:00. Italian-language, at Asilo Ciani during @LuganoPlanB. Free, no ticket needed.
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Happening now at Asilo Ciani: Noderunners: Bitcoin Core with @LeoComandini, a hands-on session on running Bitcoin Core yourself. In Italian, during @LuganoPlanB.
Live in 30 minutes.
@n1ckler, Director of @blksresearch, on the P2P Stage at @LuganoPlanB, 15:30: The Race to Replace Bitcoin's Signatures: Quantum, AI, and Hash Functions.
What's solved, what isn't, and why the preparation matters more than the timeline.
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Happening now at Asilo Ciani: @LeoComandini , @FedericoTenga and @tierotiero on building native applications on Bitcoin, moderated by @birk1907. In Italian, during @LuganoPlanB.
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