Colman @uid_zer0
Bug hunting @iosiro_security | Ex @MWRCyberSec & @FSecure | Part time Arsenal fan | Views are my own South Africa Joined December 2010-
Tweets4K
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Introducing Nectra: A Bitcoin-Backed Stablecoin Protocol for Permissionless Loans. Nectra is a novel lending protocol that allows Bitcoiners to borrow Bitcoin-backed stablecoins using only Bitcoin as collateral. No custodians, no rehypothecation, & no exorbitant fees. 🧵
1/7 ICYMI, we recently posted the technical details of a high-risk vulnerability iosiro researchers @_dotvader and @pleasew8t found in @arbitrum that reliably triggered a panic in the Nitro sequencer, and could be used to crash the sequencer repeatedly for no gas or fees.
The issue was identified by @_dotvader and @pleasew8t. Technical details can be found in our blog post (2/2): iosiro.com/blog/arbitrum-…
In September 2024, we reported a high risk vulnerability to @arbitrum that could be used to repeatedly crash the network’s sequencer for no gas or fees by triggering a panic in the Nitro sequencer. (1/2)
Alright - let's talk about Panels Full video: youtu.be/65ciAONXv0M I've made some pretty big changes to make it a dramatically better free app, which I think should always be the priority. Plus a lot more thanks to all of your constructive feedback, including: - Ad free…
In August, watchTowr Labs hijacked parts of the global .mobi TLD - and went on to discover the mayhem that we could cause. Enjoy.... labs.watchtowr.com/we-spent-20-to…
Starting today, @ProtonWallet early access is available. Proton Wallet is a safer way to hold and transact in Bitcoin. Features like #Bitcoin via Email make sending #BTC as easy as sending email while being self-custodial. Learn more & get early access: proton.me/blog/proton-wa…
The Amapiano genre has seen a crazy explosion over the last decade coming out of South Africa. In 2023 alone, the genre had 1.4 billion streams on Spotify - with 55% of that being played in markets outside of Africa. Very cool to see it taking the global stage! Check out more…
Yesterday I gave the commencement speech to the Class of 2024 - at the school that I graduated from 9 years ago 🤯 Thank you, grads for hosting and laughing at my ChatGPT joke. Thank you, @FollowStevens for the honorary doctorate degree (no, you don't have to call me MKPHD 😅)…
i feel bad for drake bc sometimes im three emails behind in responding and then i feel overwhelmed
Most of our US/EU based friends probably don’t know the annoyance of VISA applications around conference travels.. A quick trip to speak at a conference is usually preceded by interview-appointments, multiple forms, proofs of residence, bank accounts and biometrics. Pain++
Prior to the Dencun upgrade, we disclosed a bug to the @ethereum Foundation that could remotely crash Ethereum mainnet geth clients over RPC through eth_call. All major RPC providers were affected, incl. @infura_io, @AlchemyPlatform, @ankr, @QuickNode, and others👇
🇹🇿 TOP BINS! ⬇️ Tanzania are in action in the FIFA Series today. Watch today's matches LIVE!
The last time the AO men’s final didn’t include Djokovic, Nadal or Federer (2005)… ▪️ Marat Safin and Lleyton Hewitt were finalists ▪️ YouTube and Twitter didn’t exist ▪️ Novak Djokovic hadn’t won a Grand Slam yet ▪️ Our courts were green ▪️ Coco Gauff was less than a year old
0xcon 2023: ed2root - how ancient IPC mechanisms can help you today by Connor du Plooy youtube.com/watch?v=oESrZV…
We only signed him in January too
Siya Kolisi with BILL 🏆🇿🇦 #SpringboksRWC

Eric Alfaro @eric_malig
106 Followers 2K Following
SigmaTrader🇺🇸 @Pawfa11721
49 Followers 2K Following 15-30% Monthly | 2 High-Conviction Stocks.Short-Term Gains: 15-20% in Days/Weeks.DM "JOIN" for WhatsApp Alerts. Live Trade Signals • Market Analysis
iosiro @iosiro_security
2K Followers 67 Following Cybersecurity Services Smart contract auditing, threat modelling, app & infra. pentests Request a service: https://t.co/Uw2zzvZK9E
beautiful @Akeasau2509373
0 Followers 289 Following Every morning when I wake up, I am grateful for your company.
Ekemini Bassey @kem_bassee
1 Followers 19 Following 🌟Ekemini Bassey | Cybersecurity penetration tester | cyber defense | Ethical Hacking | security audits | Empowering individuals & organisation | Let's connect⚙
Nic M @NicMVP7
0 Followers 44 Following
Fredrick Duhia @fredduhia
54 Followers 199 Following Writes computer programs, reverse engineering the universe(s).
NaomaStrothman @NaomaStrot4578
26 Followers 2K Following
ChrisPy @chrispy_sec
324 Followers 304 Following Principal Security consultant at Reversec. Love doing some Azure/Entra ID research ☁️ Opinions are my own
Alma @whitlowalma93
217 Followers 3K Following
Leola @perez_leola18
1K Followers 3K Following
Justin Moorcroft @MoorcroftJustin
19 Followers 208 Following
Gloria @gloria_potts55
335 Followers 3K Following
constobserver @constobserver1
0 Followers 24 Following
Sarah🥯|🤍 @SarahRa48673888
358 Followers 2K Following
Happiness Neema Jr. @JrNeema
452 Followers 1K Following Web developer| Data Science & AI enthusiast| Creative writer| Friend of God| #jeyuso fan since day one☝ #goaldigger I wear crowns of my own creations.
Ken Gannon (伊藤 �... @Yogehi
2K Followers 287 Following 95% random tweets, 5% security related tweets. Pwn2Own 2023/2024. YayTweetsAreMyOwnYay
Reena @Reenaamatii
9K Followers 981 Following
MenStuff @MenStuffZA
10K Followers 3K Following Bringing men's lifestyle features and news for the every man's man. Sport, movies, games, culture and all the good 'stuff' you want to read about!
Keanu Maharaj @KeanuMaharaj
34 Followers 388 Following Just learning about Ethereum one contract at a time. He/Him
Ed Parsons @EdParsons23
130 Followers 94 Following Cyber Security Leader | Obsessed with tech, better at people | Opinions my own
Amar Menezes @amarekano
304 Followers 467 Following Visio and spreadsheets by day, debuggers and disassemblers by night. Contributor to @Zon8Research
nmonkee @nmonkee
2K Followers 643 Following
Justin J Williams @jjza
2K Followers 3K Following living, studying, working in Jozi. Cyber and Privacy. Executive : Group Security. All opinions expressed here are my own.
Gunners @Gunnersc0m
422K Followers 225K Following Independent Arsenal App & Website 📲🔴 | 🔔 Set notifications | Follow for daily #AFC news, updates, opinions & photos | Enquiries 👉 [email protected]
MWR CyberSec @MWRCyberSec
190 Followers 21 Following Research-led cyber security tailored to the African market. Proudly South African and home of MWR Intel. #cybersecurity #infosec #cybersec
Gabriel de Sousa @gdesousa26
32 Followers 46 Following
Connor Du Plooy @caduplooy
7 Followers 6 Following Computer enthusiast! I love programming and hacking :)
Fredwaah @Fred_Waaah
3K Followers 696 Following 06.12.22 💔🕊🕯 | | Viltrumite | Biker | Stoic | Chelsea | Simba | Anime | Aliens | | Long Live The RESISTANCE ✊🏾| 🇵🇸🇨🇩🇸🇸🇸🇩🇸🇾🇹🇿
Ben @B3Liev
76 Followers 230 Following Interested in Infosec, acroyoga, cryptocurrency, software engineering and life experiences. Currently busy with my final year BSc computer science and math.
Nick Jones @nojonesuk
1K Followers 822 Following Global Head of Research @ WithSecure, Programme Lead @ fwd:cloudsec EU. AWS/cloud security, automation, DevOps and attack detection. Opinions are my own.
Japheth nzioka @Japhethnzioka1
5 Followers 24 Following Kenyan aged 35 years, working and living in Nairobi
Daily Naruto @NarutoDaily_
120K Followers 106 Following Daily Naruto content | All credits to Masashi Kishimoto & studio pierrot | Fan Account
Lumo @asklumo
9K Followers 6 Following Privacy-first AI assistant by @ProtonPrivacy, built in Europe. Lumo does not track or record your conversations. Ask me anything, it's actually confidential.
Vladimir S. | Officer... @officer_cia
50K Followers 228 Following Threat Researcher • OpSec Guru • Admin @10b57e6da0
Nicolas Bacca @BTChip
8K Followers 24 Following Chef @zknoxhq | Co-founder @Ledger 🦄. I build permissionless and hard to break things. Fan of Magic Internet Money (but no MSB). Entrepreneur if duty calls
Marcin | DeFi Ratings... @MarcinRedStone
12K Followers 3K Following Co-Founder @redstone_defi Oracles ♦️ Summoner @ETHWarsaw 🇵🇱 DeFi Ratings @CredoraNetwork 📊
RedStone ♦️ @redstone_defi
271K Followers 213 Following Modular oracles for DeFi & institutions. Stake your RED 👉 https://t.co/H5BpaCZbs2
Lumi @zkLumi
5K Followers 2K Following Senior Product Manager, Core Protocol (@Arbitrum) | ZK, Scaling, Privacy, DAOs 🦇🔊 | Prev: Senior Product Manager, ZK Stack (@ZKsync)
Francesco Andreoli �... @francescoswiss
22K Followers 5K Following Not Forbes 30 under 30 |🇨🇭🧠 DevRel @consensys @MetaMask | Investing in 🌍 builders @ouicapital 🦄 | infra, wallets, L2s | prev @digitalassetcom @angelHack
Citrea @citrea_xyz
68K Followers 2 Following The ₿app Layer = Home of Bitcoin Applications. Citrea enables Bitcoin to function as a fully programmable platform with ZK. Incubating ₿apps → @CitreaOrigins
Citrea Origins @CitreaOrigins
3K Followers 13 Following Uniting elite developers to build applications that will pave the adoption path for a Bitcoin-backed economy.
Nectra @nectraxyz
4K Followers 13 Following Borrow nUSD with Bitcoin, instantly and securely. Permissionless, immutable, decentralized. Earn. Spend. Leverage. Accelerated by @CitreaOrigins
Synthetix Leverage (f... @TLX_FI
3K Followers 2 Following TLX: The leveraged tokens protocol is now Synthetix Leverage. Come visit us in Discord: https://t.co/HVqRfJTxx0
Aaron Rupar @atrupar
1.0M Followers 4K Following journalist. sign up for my newsletter, Public Notice (link below). Powered by @SnapStream (more info: https://t.co/2oHPuuFBnN).
Department of Electri... @DOEE_ZA
2K Followers 32 Following OFFICIAL ACCOUNT FOR THE DEPARTMENT OF ELECTRICITY AND ENERGY
Akiba @akibablade
43K Followers 3K Following Editor-in-Chief @CryptoSlate | We are all Satoshi | Opinions are my own | Premium sub gifted from X | Techno-Progressive Libertarian (info in link 👇)
EricOneHive @EricOneHive
11K Followers 383 Following Esports Caster and 450k+ Subs on YouTube. Broadcaster for @NAVI_CoC | PARTNER w/ @VATIC_GG Business inquiries: [email protected]
We The People✊🏾�... @Harmonygalore
5K Followers 744 Following May All Beings Everywhere Be Happy and Free🧘🏾♀️
Bebé @NoozBebe_
10K Followers 6K Following News Satirist | #NOOZ | Writer | Language collector | Laughter Connoisseuress | MC| Gugz
Halvar Flake @halvarflake
44K Followers 3K Following Choose disfavour where obedience does not bring honour. I do math. And was once asked by R. Morris Sr. : "For whom?" @[email protected]
CSIR 🇿🇦 @CSIR
40K Followers 578 Following Official Twitter account of the CSIR. 79 years of research, development and innovation in RSA. Follow us for news, events, media and more. RTs not endorsements.
ETHCapeTown @ETHCapeTown
948 Followers 297 Following We are so back 👀 🇿🇦 5-7 December 2025 ETHCapeTown is more than just a hackathon - stay tuned. We hosted Africa's FIRST ETHGlobal hackathon event in 2019
Fredrick Duhia @fredduhia
54 Followers 199 Following Writes computer programs, reverse engineering the universe(s).
Zeteo @zeteo_news
111K Followers 44 Following Unfiltered news. Bold opinions. A new media organization from @mehdirhasan.
Andres Freund (Tech) @AndresFreundTec
11K Followers 99 Following FWD: @[email protected] FWD: https://t.co/DcPdStYfus Postgres developer, working at Microsoft. For politics: @AndresFreundPol
ShitpostGateway @ShitpostGate
1.6M Followers 2K Following Love $hitposting and posting whatever I want/Satire/memes/some personal stuff I like. Affiliate of @METAPCS
Mehdi Hasan @mehdirhasan
1.7M Followers 5K Following British-American journalist. Editor-in-chief and CEO of new media company @zeteo_news. Subscribe here: https://t.co/sEC1ETyGtn
Security Alliance @_SEAL_Org
15K Followers 88 Following Securing the future of crypto | Cover art by @yueko__ | Emergencies: https://t.co/KT0Mzsidtc
Demons Bases @DemonsBases7
5K Followers 19 Following Official Creator| Professional Base Builder| Join Membership For Top Players Bases -https://t.co/vQl9hVjo4i @ClashofClans
winnie @xuwinniexu
4K Followers 568 Following 2024🥇@code4rena ✨Elite All Star @Immunefi 🍉watermelon lover 🎃The other persona @ATREEBLOS
CIJ_ICJ @CIJ_ICJ
250K Followers 84 Following Compte officiel de la Cour internationale de Justice (CIJ, ONU) - Official account of the International Court of Justice (ICJ, UN)
Adam Cochran (adamsco... @adamscochran
245K Followers 1K Following Investor, prof, policy consultant, author, independent investigative journalist and father. Trying to make the world suck less.
Synthetix ⚔️ @synthetix_io
258K Followers 226 Following Synthetix is the perps exchange of Ethereum Mainnet, offering deep liquidity and low fees. Powered by the SNX token.
kain.hl (real) @kaiynne
141K Followers 1K Following Founder @infinex , @synthetix_io. Partner @bodhi_ventures
MEV Alpha Leaked @mevalphaleak
14K Followers 95 Following Retired searcher shit-posting when I feel like it. previously: low-level solidity optimisations / DEX arbitrage / ML / AlphaMEV / BetaRPC
@bertcmiller ⚡️�... @bertcmiller
61K Followers 46 Following ⚡️ @ Flashbots // Optimist who is always learning. // https://t.co/wVakb6wty7
samczsun @samczsun
154K Followers 209 Following founder @_SEAL_Org, security @tempo. art by @Keiseeaaa/@vincywp
Campbell Harvey @camharvey
12K Followers 610 Following Finance professor at Duke University, coauthor: Strategic Risk Management
Harry Kalodner (💙,... @hkalodner
11K Followers 931 Following Co-Founder and CTO of @offchainlabs, dev team originally behind @arbitrum | hkalodner.eth All tweets are speaking on behalf of myself or my cat
OpenZeppelin @OpenZeppelin
58K Followers 127 Following The standard for secure onchain applications at any scale.
BSides Joburg @BSidesJoburg
103 Followers 2 Following 📅 25-26 July 2025 📍 Focus Rooms, Johannesburg BSides Joburg is an annual community organized event focused on building the local cybersecurity community.
Doug Colkitt @0xdoug
43K Followers 2K Following Founder @ambient_finance Founding contributor @fogochain Ex: Quant
#BSidesNairobi2025 @BSidesNairobi
2K Followers 19 Following Community First Cyber and Information Security Conference.
Patrick Collins @PatrickAlphaC
106K Followers 4K Following Co-founder of 🛡️@cyfrinaudits | 🟪 @soloditofficial | 🦅 @codehawks | 🎓 @cyfrinupdraft Building the Web3 we promised.
Calum Hall @_calumhall
950 Followers 336 Following Co-Founder of Phorion 🔍| Threat Detection and Response Manager at GitHub 👨💻| macOS researcher 🍎 | BlackHat speaker 2021 📢 Opinions are my own