James Shuman
@SecurityJS
Head of Security @HorizenLabs | 🌐Web2 veteran turned Web3 guardian | 🪖 Ex-Army, still on a mission—now defending the blockchain frontier | Tweets are my own
Thrilled to be on Capitol Hill over the last couple of days discussing privacy in digital assets with House & Senate members. Energized by the genuine curiosity around zero-knowledge tech and proud to see @DCGco host such a stellar event advancing the conversation.
This is an exciting move for the Horizen team and community, looking forward to being one of the first appchains on Base that is focused on Privacy!
A strong future on Horizen starts with a strong @Base 💪 We're proud to be among the first appchains on Base, building the future of privacy onchain—at scale. Here is why this changes everything. 🧵👇
The SEC has officially closed its investigation into Horizen Labs related to the @ApeCoin launch. This marks a significant moment—not just for us, but for the entire crypto space. For too long, regulatory uncertainty has slowed down innovation and driven projects offshore. Our…
Under President Trump, the U.S. Securities and Exchange Commission is backing down from fights with crypto firms. These are the biggest lawsuits and investigations ended so far. decrypt.co/308273/trump-s…
Another multi-sig exploit just hit. Simply relying on multi-sig is no longer enough. -- Key measures to consider: • Independent Transaction Verification • Transaction Simulation & Analysis • Secure Operational Processes -- Web3 teams need to step up their security game and…
Bybit ETH multisig cold wallet just made a transfer to our warm wallet about 1 hr ago. It appears that this specific transaction was musked, all the signers saw the musked UI which showed the correct address and the URL was from @safe . However the signing message was to change…
zkLend exploited for $9.5M due to a precision loss bug! 2 days ago, Feb 12, a rounding error in mint() allowed an attacker to inflate their balance and withdraw more than they deposited. Here’s how it happened (and what devs can learn from it) 🧵👇
Cybersecurity & AI are dominating discussions across industries—but here’s what really matters: 🔹 AI can enhance security if used wisely: threat detection, automation, & optimization. 🔹 Attackers are weaponizing AI—phishing, evasion, & automated exploits. The real challenge?…
New Listing - $ZEN @horizenglobal 🔹Pair: ZEN/USDT 🔹Deposits available: Now 🔹Trading available: Jan 22, 11:00 AM (UTC) 🔥 9,599 ZEN are up for grabs on PoolX, Candybomb, community & social giveaways! Details: bitget.com/en/support/art…
Are you a Web3 builder passionate about ZK technology? This is your opportunity to shine!
🚀Registration is NOW OPEN for the zkVerify Online Hackathon for Web3 Builders! Are you ready to redefine the future of blockchain? This is your chance to showcase your skills and innovate in the realm of ZK and win big: 🟢 Build cutting-edge apps on…
We just automatically hacked the hacker and rescued 1.4M USDC! 100% of fund were returned to the project owner > 🧵 Here's how the hacker is whitehat-hacked
1/3 A threat actor has stolen ~$500K over the past month by compromising 15+ X accounts (Kick, Cursor, Alex Blania, The Arena, Brett, etc) from sending targeted phishing emails which impersonated the X team to steal credentials and then launch meme coin scams.
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