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Sebastian Bürgel
@SCBuergel
VP technology @gnosis_ | founder @hoprnet | PhD @ETH_en
867 Following    8.3K Followers
Uptime was the old bar. v5 raises it 🚀 Nodes now probe real routes and reward the relays that deliver fast and reliably. A network that gets stronger the more it's used
Have people forgotten that crypto is not casino tech but resilience tech for people? No we haven't! Heres a huge upgrade to the HOPR network getting us ready for the launch of Gnosis VPN! Start running a node now to earn $HOPR revenue from Gnosis VPN very soon ⤵️
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Could someone X-ray a malicious vs authentic Ledger so that we can check this less destructively? Anyone with a dentist in the family?
PSA the ledger incident isn't limited to Asia This is a device purchased in store from an official reseller in Europe (a legitimate device doesn't have any of these cables as can be seen in picture 2) This even seems to be an old version of the 'spy implant' even though the device was purchased a couple of weeks ago. The newer versions usually hide the implant by the screen so it's easier to miss What's interesting is that this compromised ledger never transfered funds to an exploiter. Either the device didn't work or they were waiting for a more widespread usage of the comprised devices? If you own a ledger that didn't directly come from the ledger online store make sure to not just rely on the software genuinely check by ledger but to actually open up the ledger yourself to make sure its original, again there are reported cases in Asia, south America and now Europe as well. @MagicalTux made some useful videos on how to open the ledger and what to look for.
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So Terence Tao wouldn't take Paracetamol? A misunderstanding, maybe, but an interesting one!
What does it mean for an Ethereum wallet to be "self-sovereign"? What if a wallet's dev team walked away or turned evil one day? How much control and ownership over an account does the wallet give the user? Here's how Walletbeat evaluates self-sovereignty, and why these attributes matter 🧵
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Update Telegram Desktop immediately! A critical vulnerability has been discovered that allows attackers to gain access to your account and secretly steal files from your computer. The attack uses links in the format tg://. If a special command is constructed, clicking the link can cause a malicious script to send a selected file to the attacker’s channel - without requiring additional confirmation.
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Forward to community
Really proud to see @gnosischain being first to support FCR 👏 And proud to see the @hoprnet bridge validator to be top performer 😊
Gnosis bridges are now the first production system to act on FCR on Ethereum mainnet. Starting today, the xDAI bridge and Omnibridge use Ethereum's Fast Confirmation Rule (FCR). Deposits from Ethereum are confirmed in about one slot, instead of waiting for finality. Bridging from Ethereum to Gnosis Chain just got MUCH faster, and it's a big step on Gnosis Chain's path to @etheconomiczone. Here's why it matters.
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@hilmarxo These two tweets were right under one another on my feed 😁 Problem -> Solution:
@hilmarxo These two tweets were right under one another on my feed 😁 Problem -> Solution:
October 5, 2026 A new letter was filed today by SDNY: The DOJ is still coming after me with everything it has. They really want to see me convicted. It has been 1,139 days since my nightmare began. They arrested me when my daughter was just 3 years old, and escorted her out of our home. She is 6 now, and I don't know how I would ever explain to her that I'm being sent to prison for decades - for writing code. Meanwhile, today the Department of the Treasury has admitted it was wrong about the mixer rules, citing a "chilling effect on legitimate activity." Source: Yet in my case, the DOJ argued at the April 9, 2026 hearing: "...even the legitimate transactions that went through Tornado Cash became illegitimate because they also facilitated the criminal ends of the money transmitting of the money laundering and of the sanctions evasion..." (Docket 290, p.43 The non-criminal branch of the U.S. government says: it's bad policy. The criminal branch says: every transaction is a crime. The Crypto War is still being waged against developers and open source, cementing an extremely dangerous precedent in the United States of America.
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A bank offers financial confidentiality. A blockchain offers financial privacy. They are not the same.
Me talking to Claude evolves like human communication Day 1: Good morning! Could you please build a progressive web app showing the mentioned data as a semi-log plot and investigate the trend line? 1 year in: Lol those numbers are weird. need stat son web, make have Dune vibes
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We're thinking about this at Gnosis VPN. A mixnet like HOPR can in principle route every packet over a different path to a different exit. The hard part is using that in practice. Gnosis VPN establishes prepaid sessions to an exit. Relays are paid per packet and the exit can only answer through SURBs (single-use reply blocks) the client sends ahead, so it can reply without learning who you are. In theory sessions could be tiny and switch constantly, e.g. keep 100 open and cycle them per target IP. But: 1. Every session has setup overhead through the mixnet 2. Sizing prepayment for tiny sessions is hard: Prepay too little and the session runs dry mid-transfer and stalls while it tops up. Prepay enough to be safe and most of it expires unused. 3. Each session needs its own SURBs sent upfront, so uplink bandwidth scales with the number of sessions rather than with traffic The deeper problem is that the VPN's network interface only sees packets. It can't tell where one request to a server ends and the next begins, and each TCP/QUIC connection is pinned to one exit anyway. HTTP/2 puts many requests on one connection, many sites and apps sit behind the same CDN IPs, and TLS resumption and cookies relink whatever you manage to split. The VPN could try to guess request boundaries from timing, treating an idle gap on a connection as the end of a request. That isn't great either: - HTTP/2 and QUIC run concurrent requests on one connection, so many boundaries have no gap at all. - Keepalives and background traffic keep connections busy, hiding the gaps that do exist. - Any gap threshold is a guess: too short and it splits mid-request, too long and it misses most boundaries. - Even after detecting a gap, the VPN can't move a live connection to another exit. It has to reset the connection to force a reconnect, which costs a full handshake through the mixnet. - The reconnect then usually resumes the old TLS session, which relinks it on the server side anyway. The good news is that the VPN doesn't need to guess. Split tunnelling isolates the apps that matter, like your zkAPI CLI, from the rest of your traffic (like a long running Jitsi call with totally different traffic pattern and trust assumptions). On top of that we can expose a local SOCKS endpoint where each isolation key maps to its own exit from a pool of pre-warmed sessions. The app knows what a request is, so it uses a fresh key and a fresh connection per request, and you get request-by-request delinking for exactly the traffic that needs it.
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We're thinking about this at Gnosis VPN. A mixnet like HOPR can in principle route every packet over a different path to a different exit. The hard part is using that in practice. Gnosis VPN establishes prepaid sessions to an exit. Relays are paid per packet and the exit can only answer through SURBs (single-use reply blocks) the client sends ahead, so it can reply without learning who you are. In theory sessions could be tiny and switch constantly, e.g. keep 100 open and cycle them per target IP. But: 1. Every session has setup overhead through the mixnet 2. Sizing prepayment for tiny sessions is hard: Prepay too little and the session runs dry mid-transfer and stalls while it tops up. Prepay enough to be safe and most of it expires unused. 3. Each session needs its own SURBs sent upfront, so uplink bandwidth scales with the number of sessions rather than with traffic The deeper problem is that the VPN's network interface only sees packets. It can't tell where one request to a server ends and the next begins, and each TCP/QUIC connection is pinned to one exit anyway. HTTP/2 puts many requests on one connection, many sites and apps sit behind the same CDN IPs, and TLS resumption and cookies relink whatever you manage to split. The VPN could try to guess request boundaries from timing, treating an idle gap on a connection as the end of a request. That isn't great either: - HTTP/2 and QUIC run concurrent requests on one connection, so many boundaries have no gap at all. - Keepalives and background traffic keep connections busy, hiding the gaps that do exist. - Any gap threshold is a guess: too short and it splits mid-request, too long and it misses most boundaries. - Even after detecting a gap, the VPN can't move a live connection to another exit. It has to reset the connection to force a reconnect, which costs a full handshake through the mixnet. - The reconnect then usually resumes the old TLS session, which relinks it on the server side anyway. The good news is that the VPN doesn't need to guess. Split tunnelling isolates the apps that matter, like your zkAPI CLI, from the rest of your traffic (like a long running Jitsi call with totally different traffic pattern and trust assumptions). On top of that we can expose a local SOCKS endpoint where each isolation key maps to its own exit from a pool of pre-warmed sessions. The app knows what a request is, so it uses a fresh key and a fresh connection per request, and you get request-by-request delinking for exactly the traffic that needs it.
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1) Onchain transparency is what makes a Safe verifiable. But for payroll, treasury execution and vendor payments, it's a problem. That's why we built private transactions for Safe accounts 🧵 1/5
Lately my most effective AI coding sessions are in the gym Can't overthink prompts too much, forced to not stare at the screen in between, not so bothered if it was a dead-end.