At A42, we support exceptional people to realize their exceptional ideas with the help of our team of Web3 designers, builders, shapers, and innovators. 🚀

Joined March 2023
vote vote vote
It may be the weekend, but Octant isn't taking any breaks 👀 You can still vote in Epoch 13 and support projects advancing privacy on @ethereum and the open internet. You have until 21 Oct at 8 PM EDT to build your ballot and help direct @GolemFoundation's 100 ETH matching pool. Learn more on the how 🧵
5
2
19
610
A privacy network can hide your traffic and still leak who paid for it. That leak usually happens on day one, when funds enter the system. We've been working with @Gnosis_VPN and @hoprnet to close it inside PIX. Here's the payment flow 🧵
2
3
6
27
1,577
Here's how we see Curvy Payments and why we decided to build it.
1
4
17
1,008
Join us for the second edition of ZK Belgrade — a focused day of talks, demos, and connections around zero knowledge cryptography.​ 📆 Date: June 5th, 2025 ⏰ Time: 10:00 AM - 4:30 PM 🎟 Entry: free with your ETH Belgrade pass. zkbelgrade.com/
2
8
403
Join us for the second edition of ZK Belgrade — a focused day of talks, demos, and connections around zero knowledge cryptography. ​ ​📆 Date: June 5th, 2025 ⏰ Time: 10:00 AM - 4:30 PM 🎟 Entry: free with your @ethbelgrade pass. lu.ma/m1n3y9eh
1
10
505
The stealth address-based privacy solution has arrived on Starknet Sepolia, thanks to @0xcurvy 🔐 Privacy preserving → onchain. xitter.cf/0xCurvy/status/1907164…
This is not an April Fools’ joke — the @Starknet community just got its first stealth address–based privacy solution! We’re live on Sepolia testnet with the new Curvy web app! 🔗 Try it: starknet.0xcurvy.io 🎥 Demo: youtube.com/watch?v=2oNGPpMA… 🧵👇
1
4
15
1,302
Great work @0xCurvy crew 🙌
This is not an April Fools’ joke — the @Starknet community just got its first stealth address–based privacy solution! We’re live on Sepolia testnet with the new Curvy web app! 🔗 Try it: starknet.0xcurvy.io 🎥 Demo: youtube.com/watch?v=2oNGPpMA… 🧵👇
4
198
Attic42 retweeted
Spend less time debugging and more time building with zkSim Debugger! Debugging Circom circuits can be time-consuming, but ZKSim Debugger makes it fast and efficient. Quickly identify issues, optimize your circuits, and get back to developing in no time!
1
3
4
413
At Curvy, we make sure that the needs of all of our users are met—and that includes delightful ways to customize their wallet experience! We're excited to preview Curvy Marketplace, a feature packed with powerful plugins and add-ons. From effortless crypto invoicing, simplified staking to seamless AutoPay you'll soon have the power to activate exactly what you need in your Curvy Wallet. This experience is part of our ongoing experiments, but we're already loving it!
1
5
1
9
999
Curvy Experiment #1 - Invoicing Ever felt crypto invoicing could be simpler, safer, and way more private? We’re exploring an experimental invoicing flow designed with stealth addresses and hassle-free asset handling, making crypto transactions smoother than ever. Here’s how it works 👇
1
9
2
15
1,672
🥳 Let’s wrap up this year with a second ZK Meetup! Join us at Attic42 Hub on Wednesday 25th at 6PM with our Aleksandar Veljković who will be talking about Privacy Coins. RSVP 👉 lu.ma/n7rp1x53
2
5
303
🌊 Ever thought about how cool it would be to build your own blockchain network? Well, that’s exactly what we’re diving into with Rust course made by Nikola Petrović and @ceresblockchain!
1
4
8
459
"But what's the utility?" - if you're still asking yourself this, just read "Read Write Own" from Chris Dixon readwriteown.com/ This book beautifully explains how Web3 is part of the internet's natural and inevitable evolution.
1
3
6
304
We’re excited to invite you to our second Zero-Knowledge Meetup! ​This time, we’ll be diving into the overall landscape of privacy coins and implementation details of anonymous token transfers in decentralized environment based on Zero-knowledge proofs with @alex_v_rnd ​Whether you’re a blockchain enthusiast, developer, or just curious about the power of privacy in decentralized environments, this meetup is for you! ​Spots are limited, so RSVP now to secure your place. Let’s decode the future of privacy together! 🙌 lu.ma/n7rp1x53
1
5
1
15
557
Step into the future of cryptography with our Zero Knowledge Proofs Essentials course! Whether you’re a blockchain developer, cryptography enthusiast, or Web3 entrepreneur, this course is your gateway to mastering one of the most transformative technologies in the Web3 space.
1
2
1
10
366
Say hello to Marija Mikic PhD in Mathematics, a Senior ZK Researcher @3327_io an Assistant Professor and Head of the Department of Differential Equations at the Faculty of Mathematics in Belgrade, blending her academic and practical expertise to bring ZKP to life.
1
7
1
19
1,536
We’re excited to host the first-ever ZK (Zero-Knowledge) meetup. This monthly gathering will bring together enthusiasts, developers, researchers, and industry professionals interested in the latest developments and use cases in zero-knowledge technology. Each month, the ZK meetup will feature both local and international speakers who will dive into topics ranging from foundational principles to advanced applications of zero-knowledge proofs, cryptographic protocols, privacy solutions, and scalability innovations in Web3. Our first topic will be ZK Email by Andrija Novaković Registrations are open lu.ma/1xvwzgyh We look forward to seeing you there!
4
12
518
Devcon is already trending, but we’ve got some business to take care of before heading there.🧳 Don’t forget to apply for our Security meetup at @attic42, featuring the one and only @bl4ckb1rd71 as the lecturer. Apply here 🔽 lu.ma/dnd9iwvw
5
1
12
802
We’re proud that this Saturday Zero Knowledge Proof (ZKP) Course organized by @MatAkademija kicked off in our Hub!
1
4
12
820