
What we’re about
Official homepage: https://israelweb3.com/
Discord Support Group: https://discord.gg/YnpgKfcyyW
Purpose:
Discuss and network to meet likeminded israeli developers interested in developing and coding web3 projects, smart contracts and related technologies.
What it is NOT:
This is NOT a group relating to crypto investment or NFT/Token speculation - it is about the underlying techon0logy and what it can enable.
Audience:
The group is intended for developers and architects working on web3 decentralized projects both frontend and backend (smart contracts, zero knowledge platforms and more).
Events:
Meet and greet, network, discuss and learn from each other about specific technical topics or overall trends in web3.
Upcoming events
5

Monthly Meetup of the Israeli Web3 Developers Underground community
Mindspace Ahad Ha'am (מיינדספייס אחד העם), Ahad Ha'Am St 54, Tel Aviv-Yafo, ILWeb3 Devs Underground - Meetup
🚀 Smart Contracts in Practice | vProgs Architecture - with StarkWare & KaspaAbout the event:
🎙 Brought to you by Israel Web3 Developers Underground × StarkWare × Kaspa
Sponsored by StarkWare
Powered by Masterkey VCDate & Time
📅 November 17th, 2025
Time: 18:00 - 21:00
Location:
Mindspace מיינדספייס אחד העם - משרדים וחללי עבודה | קומה 5
Ahad Ha'Am St 54, Tel Aviv-Yafo
https://maps.app.goo.gl/7pdsdhCB7abCSSNe9### Speakers:
- nagmoon (@nagmo13) - Starknet Apps Group Manager, StarkWare
- Topic: "Smart Contracts in Practice"
- Michael Sutton (@michaelsuttonil) - Core Developer, Kaspa
- Topic: "vProgs: a sovereign yet composable zk architecture"
Agenda:
18:00 - 18:30 | Drinks and Networking
18:30 - 18:40 | Opening Remarks
18:40 - 19:20 | nagmoon: "Smart Contracts in Practice"
19:20 - 19:30 | Q&A with nagmoon
19:30 - 19:50 | Break for Food and Drinks
19:50 - 20:30 | Michael Sutton: vProgs: a sovereign yet composable zk architecture
20:30 - 20:40 | Q&A with Michael
20:40 - 21:00 | Finish the day with collaborations and mingling over some great drinks and desserts with us.#What can you expect? (Topics)
Talk1: Smart Contracts in Practice:
Storage models, gas/resource constraints, immutability challenges, logic splitting, indirect execution patterns.
- Real use cases from StarkWare engineering
Talk2: vProgs - A Novel Smart Contract Architecture:
ZK-based architecture solving sovereignty vs composability tension.
- Yellow paper Deep Dive:
(https://github.com/kaspanet/research/blob/main/vProgs/vProgs_yellow_paper.pdf)About Our Sponsors:
StarkWare is a global company of 200+ employees across Israel, Europe, the US, and Southeast Asia. We pioneered ZK-STARKs - advanced cryptography that enables secure, scalable blockchain applications. Our main product, Starknet, is a Layer 2 network that cuts Ethereum costs and boosts speed using math-based proofs. Now expanding to Bitcoin, Starknet aims to power a more decentralized internet. We value deep thinking, ownership, and transparency - and give people room to grow and lead with impact.
Masterkey Venture Capital is a global early-stage fund investing in top-tier innovative deep tech and Web3 infrastructure projects. With a strategic presence in key crypto hubs worldwide, we are uniquely positioned to drive technological advancements within global ecosystems. Backed by nearly 50 years of combined expertise in advanced infrastructure, novel cryptography, cybersecurity, and energy solutions, our team is dedicated to empowering the entrepreneurs shaping the future of blockchain technology.Get Involved
Interested in Speaking or Sponsoring?
We welcome passionate individuals and organizations to contribute to our community. If you're interested in speaking at future events or sponsoring our meetups, please fill up the Speaker application form and contact Amit Shilo at @Amit_Shilo (Telegram)- Community Managers: Amit Shilo, Eden Luttenberg, Alon Kivity, Alon Ben Lavy.
RSVP Now!
Secure your spot for an evening of knowledge-sharing and networking.
Register Here
Limited seats are available. Register early to ensure your participation!
Stay Connected
Follow us on social media and join our community to stay updated on upcoming events and news:Stay in the loop (socials):
Twitter – https://x.com/Web3_Devs
YouTube – https://www.youtube.com/@israelweb3devunderground (Watch our content)
Calendar – https://luma.com/web3devs_underground
See You There! (Also Online)25 attendees
Monthly Meetup of the Israeli Web3 Developers Underground community
Tel Aviv , Bugrashov st, Tel Aviv-Yafo, IL🔐 Bitcoin Multisig Basics
Live technical session with Ben Kaufman – Open Source Developer & Bitcoin Security ExpertDate & Time
Wednesday, December 3rd, 2025 | 17:00
Time: 10:00 EDT · 16:00 CET · 17:00 IDT
Online · Free to attend - https://www.youtube.com/@web3devsunderground
🎟️ Register → Lu.ma🧠 What You’ll Learn
- How Bitcoin multisig works at the protocol level
- Common wallet setups and real-world custody architectures
- Creating and managing multisig wallets step-by-step
- Threat models, security best practices, and operational risks
- Tools, libraries, and frameworks used in production
- Common mistakes when implementing multisig
Event Highlights
- Expert Insights: Hear from two of the brightest minds in the Israeli Web3 space.
- Networking Opportunities: Connect with fellow developers, researchers, and industry leaders.
- Collaborative Environment: Engage in discussions, share ideas, and explore potential collaborations.
Speaker👤
Ben Kaufman – Open-source contributor focused on Bitcoin infrastructure, self-custody, and security engineering.
Follow him on X: @_benkaufmanAbout Our Sponsors:
Masterkey Venture Capital is a global early-stage fund investing in top-tier innovative deep tech and Web3 infrastructure projects. With a strategic presence in key crypto hubs worldwide, we are uniquely positioned to drive technological advancements within global ecosystems. Backed by nearly 50 years of combined expertise in advanced infrastructure, novel cryptography, cybersecurity, and energy solutions, our team is dedicated to empowering the entrepreneurs shaping the future of blockchain technology.Get Involved
Interested in Speaking or Sponsoring?
We welcome passionate individuals and organizations to contribute to our community. If you're interested in speaking at future events or sponsoring our meetups, please reach out to:- Amit Shilo
📧 shilo@masterkey.vc - Community Managers: Amit Shilo, Eden Luttenberg, Alon Kivity, Alon Ben Lavy.
## 🗓️RSVP Now!
Secure your spot for an evening of knowledge-sharing and networking.
Register Here
Limited seats are available. Register early to ensure your participation!
📅 Calendar for all events: https://lu.ma/web3devs_underground
## 🌐 Stay Connected
- Website: https://web3devs.org
- Telegram: https://t.me/+-sEflgfrqDoyYWVk
- Linktree: https://linktr.ee/web3devsunderground
- Twitter/X: https://x.com/Web3_Devs
- YouTube: https://www.youtube.com/@web3devsunderground
See you online!
8 attendees
Monthly meetup of the Israeli Web3 Developers community
Location not specified yetWeb3 Devs Underground - Monthly Meetup
🚀 Coming Soon!
About the event:
🎙 Brought to you by Israel Web3 Developers Underground × TBD
Powered by Masterkey VC
Date & Time
📅 Wednesday, Dec 24, 2026
Time: 18:00 - 21:00
Location:
TBD## Speakers:
- TBD
- TBD
Agenda:
18:00 - 18:30 | Drinks and Networking
18:30 - 18:40 | Opening Remarks
18:40 - 19:20 | First Speaker
19:20 - 19:30 | Q&A with the first speaker
19:30 - 19:50 | Break for Food and Drinks
19:50 - 20:30 | Second Speaker
20:30 - 20:40 | Q&A with the second speaker
20:40 - 21:00 | Finish the day with us over a beer and some small talk.
What can you expect? (Topics)
Talk1: TBD
Talk2: TBD
About Our Sponsors:
Masterkey Venture Capital is a global early-stage fund investing in top-tier innovative deep tech and Web3 infrastructure projects. With a strategic presence in key crypto hubs worldwide, we are uniquely positioned to drive technological advancements within global ecosystems. Backed by nearly 50 years of combined expertise in advanced infrastructure, novel cryptography, cybersecurity, and energy solutions, our team is dedicated to empowering the entrepreneurs shaping the future of blockchain technology.
Get Involved
Interested in Speaking or Sponsoring?
We welcome passionate individuals and organizations to contribute to our community. If you're interested in speaking at future events or sponsoring our meetups, please fill out the Speaker application form and contact Amit Shilo at @Amit_Shilo (Telegram)- Community Managers: Amit Shilo, Eden Luttenberg, Alon Kivity, Alon Ben Lavy.
- Founded by Shauli Rejwan and Roy Osherove.
RSVP Now!
Secure your spot for an evening of knowledge-sharing and networking.
Register Here
Limited seats are available. Register early to ensure your participation!
Stay Connected
Follow us on social media and join our community to stay updated on upcoming events and news:Stay in the loop (socials):
Twitter – https://x.com/Web3_Devs
YouTube – https://www.youtube.com/@israelweb3devunderground (Watch our content)
Calendar – https://luma.com/web3devs_underground
See You There! (Also Online)5 attendees
Monthly Meetup of the Israeli Web3 Developers Underground community
Tel Aviv , Bugrashov st, Tel Aviv-Yafo, IL# Connecting tokens between SUI and EVM chains | Web3 Devs Underground
📅 Event Details
Wednesday, December 10th, 2025 | 17:00
(10:00 EDT · 16:00 CET · 17:00 IDT)
Online · Free to attend - https://www.youtube.com/@israelweb3devundergroundAbout the event:
👤 Speaker
Ben Weinberg – Developer Advocate at Interop Labs, focused on cross-chain tooling, developer education, and multi-chain infrastructure.
Connect on LinkedIn → Ben Weinberg🧠 What You’ll Learn
- How cross-chain token transfers work in practice
- Architecture behind SUI ↔️ EVM interoperability
- Standards, bridges, and the messaging layers involved
- Security assumptions & common attack surfaces
- Live walkthrough of Interop Labs tooling
- Real-world examples of production cross-chain apps
🎙 Brought to you by Israel Web3 Developers Underground × Interop Labs (Inventors of Axelar)
Powered by Masterkey VCEvent Highlights
- Expert Insights: Hear from two of the brightest minds in the Israeli Web3 space.
- Networking Opportunities: Connect with fellow developers, researchers, and industry leaders.
- Collaborative Environment: Engage in discussions, share ideas, and explore potential opportunities for collaboration.
About Our Sponsors:
Masterkey Venture Capital is a global early-stage fund investing in top-tier innovative deep tech and Web3 infrastructure projects. With a strategic presence in key crypto hubs worldwide, we are uniquely positioned to drive technological advancements within global ecosystems. Backed by nearly 50 years of combined expertise in advanced infrastructure, novel cryptography, cybersecurity, and energy solutions, our team is dedicated to empowering the entrepreneurs shaping the future of blockchain technology.Get Involved
Interested in Speaking or Sponsoring?
We welcome passionate individuals and organizations to contribute to our community. If you're interested in speaking at future events or sponsoring our meetups, please reach out to:- Amit Shilo
📧 shilo@masterkey.vc - Community Managers: Amit Shilo, Eden Luttenberg, Alon Kivity, Alon Ben Lavy.
## 🗓️RSVP Now!
Secure your spot for an evening of knowledge-sharing and networking.
Register Here
Limited seats are available. Register early to ensure your participation!
📅 Calendar for all events: https://lu.ma/web3devs_underground
## 🌐 Stay Connected
- Website: https://web3devs.org
- Telegram: https://t.me/+-sEflgfrqDoyYWVk
- Linktree: https://linktr.ee/web3devsunderground
- Twitter/X: https://x.com/Web3_Devs
- YouTube: https://www.youtube.com/@israelweb3devunderground
See You Online!
3 attendees
Past events
37

