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Josef Jelacic
@JosefJ_
Putting mortgages onchain @OWN_HQ. Host of @ETHPrague & @EthereumZurich
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josef.je
Joined October 2013
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    Josef Jelacic
    @JosefJ_
    Dec 17, 2025
    I promised a DeFi mortgage in 2024, I failed! But 2025 isn't over yet and we finally launched the first one - the first Digital Asset Mortgage! Check out how it works and let me know what you think and if you are interested in getting one yourself (my DMs are open!)
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    Josef Jelacic
    @JosefJ_
    Nov 19, 2022
    Replying to @LefterisJP
    Fighting capitalism with monero 😂😂
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    Josef Jelacic
    @JosefJ_
    May 30, 2025
    I have endless respect for @kartiktalwar and the entire @ETHGlobal team for how tirelessly they onboard thousands of talented developers to Ethereum. 🙏 I'm also grateful that they picked Prague this year.
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    Josef Jelacic
    @JosefJ_
    Nov 4, 2018
    Thanks everyone for making my dream come true by bringing #Devcon to Prague!! Kudos all of the organizers. This was a lot of fun! #sleepnow
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    Josef Jelacic
    @JosefJ_
    May 17, 2025
    I haven't been this bullish on the potential of what Ethereum can achieve in this world since TheDAO. I rarely bullpost, but I can't unsee it.. ETH is the fuel for change!
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    Josef Jelacic
    @JosefJ_
    May 17, 2025
    Ethereum
    12K
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    Josef Jelacic
    @JosefJ_
    May 30, 2024
    I can't wait 😶 @EthPrague
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    Josef Jelacic
    @JosefJ_
    Mar 24, 2025
    This may be the most important dialectic on technology of this decade: Sir Tim Berners-Lee and @VitalikButerin will discuss internet and blockchain adoption, sharing thoughts on Web3.0's future and their experiences witnessing their creations evolve beyond their influence and
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    ETHPrague
    @EthPrague
    Mar 24, 2025
    📢 Beyond excited to announce a historic fireside chat between @timberners_lee, inventor of the World Wide Web, and @VitalikButerin, creator of Ethereum, at @EthPrague! The two brilliant minds will explore tech acceleration, open networks, and visions for Web3.0! 🔭 🗓️May 27-29
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    Josef Jelacic
    @JosefJ_
    Jan 21, 2025
    Many don’t realize that *subtraction* played a major role in ETH not being classified as a security. Unlike Bitcoin, ETH didn’t start as a faceless coin. But the @ethereumfndn 's commitment to decentralization and principle-driven operation achieved the same result.
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    Josef Jelacic
    @JosefJ_
    Jun 24, 2025
    People ask what it took to bring Sir Tim Berners-Lee to @EthPrague - I sent invites in 2022 and 2023 - In 2024, I got 'no' in January, October, November, and December - In January 2025, I got a 'yes'! 150+ emails later, it happened! Here is the longest email thread of my life:
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    Josef Jelacic
    @JosefJ_
    Aug 22, 2018
    Looking for the right location to stay during #Devcon4? See this: 1. Green = good reach & good neighborhood 2. Yellow = annoyingly touristy but nice 3. Blue = residential, kind of ok, but can be far 4. Red = far or weird (needs closer look) 5. Black = cryptoanarchist's paradise!
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    Josef Jelacic
    @JosefJ_
    Oct 22, 2018
    Get a sneak peak of my picks of restaurants for everyone (from vegan to keto people), cafes for coffee or just a good wifi & of course pubs for great beers! #Prague #Devcon4 #PragueBlockchainWeek
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    Josef's Prague picks - Google My Maps
    From google.com
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    Josef Jelacic
    @JosefJ_
    Jun 23, 2025
    It's a wrap for the 4th year of @ETHPrague! A few numbers first: - Over 1,000 people checked in! - 162 speakers presented - 24 hours of conference time produced almost 48 hours of free educational video content for the world to share Here is my quick retrospect: 1/
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    Josef Jelacic
    @JosefJ_
    May 4, 2022
    If you are an event organizer in the Ethereum/Crypto space and you'd like to attend @ETHPrague and just enjoy networking and talks without strings attached (talk/work), send me a DM. We'd be happy to have you. You deserve to be treated for once!
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    Josef Jelacic
    @JosefJ_
    Feb 26, 2025
    I’d sign under this as well! This is my personal experience with @AyaMiyagotchi from my time at @ethereumfndn: Aya hired me to join her team after @EFDevcon 4. I didn’t have a standard role, but I was provided with a list of pending issues to be fixed and was tasked to
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    Joseph Schweitzer (jbs.eth) 🇺🇦
    @JBSchweitzer
    Feb 25, 2025
    1/ So what did @AyaMiyagotchi do as Executive Director of EF? I’ve said much of this privately, but since many over the last few weeks have asked, and because Aya doesn’t brag all that often, here’s some insight:
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