Tel Aviv Bitcoin Meetup March 2013

Building up on the success of the previous meetup, we are happy to announce the March 2013 meetup in the Rozin Community Center, with capacity for up to 360 attendees.

The agenda (tentative):

17:30 - Gathering
18:00 - Introduction to Bitcoin (Meni Rosenfeld)
18:35 - Free trade in the Bitcoin era (Zach Harvey)
18:55 - Special announcements
19:05 - Break
19:20 - Alternative payment technologies (Ron Gross)
19:40 - Bitcoin regulation (Jonathan Rouach)
20:00 - Q&A
20:30 - Free discussion

 

We will try to start the talks at 18:00 sharp, so please make an effort to arrive before that. Kosher refreshments will be served, and there will be plentiful opportunities to chat about Bitcoin with your peers.

Parking is available in the nearby streets. In addition the following Dan bus lines pass through the area: 6, 13, 24, 25, 27, 49, 113, 121, 127.

Make sure to RSVP, and check this page for any updates.

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  • Ron Gross

    וידאוים מכנס רוזין מרץ 2013!

    לקח לנו זמן, אבל הנה כל ההרצאות + שאלות ותשובות בסוף.
    תודה רבה לכל המרצים והעוזרים, כולל אביב כהן על העריכה הטכנית ואלכס כהן על הארגון.

    http://www.youtube.com/playlist...­

    1 · May 9, 2013

  • Alex Shani

    I am looking for Start-Ups to join the new program by the Chief Scientific Office “מסלול סיוע לקידום חברות מתחילות”. This new program provides funding also to Product Marketing activities. The program will fund 50% of product development cost (including 20% O/H) for 2 years up to 10 Millions IS. It is a one phase application and approval covering the 2 years. After getting approved the entrepreneurs will have 6 months to get the investment for the additional required funds required for the project. The New Program assumes that a positive evaluation and an approval by the CSO will support Start-Ups in getting additional investment. Call me [masked]

    April 21, 2013

  • Doron

    מתי יהיה המפגש הבא?

    April 20, 2013

    • Ron Gross

      ביום רביעי יש התכנסות לא פורמלית בפאב המיידלרס בחיפה.

      https://www.facebook.c...­

      לגבי מפגש יותר מסודר - אנחנו חושבים לארגן מפגש ביוני בחיפה, עדיין אין משהו קונקרטי.

      April 20, 2013

  • Ofer Rotem

    have a look at: http://bitcoincharts.com/­
    there is a pie chart under the title: "Hashrate Distribution"
    I see that about 51% goes to "unknown", and there are a few other, smaller, "unknowns".
    Is that a specific "unknown", meaning that a certain group/person is producing more than 50% of the bitcoins?

    1 · March 22, 2013

    • Meni Rosenfeld

      Not sure what you mean. In the chart I see there is about 30% "unknown", plus a small piece of "other known". The latter are sources that are recognized but are too small to deserve their own label in the chart.

      March 23, 2013

    • Ofer Rotem

      I see about 50% labeled as unknown (on the left), then another ~10% labeled also as unknown (bottom-right), and a third labeled Other Known.
      You can see the image I'm referring to here:
      https://fbcdn-sphotos-...­
      or here:
      http://static.blockch...­

      I understand from people's answers (Michael and Ron) that that doesn't mean the there are two "unknown" entities (as in two people or two companies) that have 50% and 10% of the mining, but that there are many unknown _different_ sources.
      If that's the case, then there is no problem.

      March 27, 2013

  • Estrella Demonte

    I have raised this in the past....this "unknown" origin is bothering me. The market share of the unknowns bitcoin mining pools is huge!

    1 · March 22, 2013

    • Ron Gross

      "Unknown" isn't a single entity, it's probably just solo miners.

      1 · March 23, 2013

    • Ofer Rotem

      I wonder why are there a few parts labeled "unknown" in the pie chart instead of a single one..

      March 23, 2013

  • Ron Gross

    Great to see old and new faces, thanks all for attending!

    3 · March 21, 2013

    • A former member
      A former member

      Thank you for a great meetup and the pizza, as we both know that the cake is a lie.

      March 22, 2013

  • Ofer Rotem

    The initiative:
    I'm sure everyone that came to this meeting was a "sold audience" in the sense that we believe e-currency should work.
    I'm also pretty sure that people, like myself, have ideas about how to "spread the word" and make a profit on the way (aka "start-up").
    That being said, I think many good connections can spring from these meetings, so if anyone has an idea and/or is looking for a partner, this can be the forum to post on the subject.
    Personally, I have a few ideas but I don't have an intention of leaving my workplace, so time is a constraint for me. Even-so, I'd be glad to hear about ideas, be a part of an initiative and get more involved, so if anybody can offer me that I'll be glad to take it :)

    1 · March 22, 2013

    • Ron Gross

      Thanks.

      I believe there will be a business/startup oriented meetup in the near future. We (everyone, not just Meni and me) need to organize it.

      3 · March 22, 2013

  • Ofer Rotem

    Comments about the meetup:
    My **personal** opinion: I think the Q&A part was the best part, followed, in greatness, by the legal & regulation point of view (after all, our goal is to create a community of law abiding citizens, no?).
    Personally, I'd like to have more time for Q&A 'cause people's questions were very relevant and interesting (even when they hogged the mic ;) ).

    2 · March 22, 2013

  • Andrew Williams

    Mind blowing! Inspirational! Hope to become a contributing member to the world of Bitcoin.

    1 · March 22, 2013

  • Andrew Vorobyov

    If any of you still have questions about Bitcoin or Ripple - I will be glad to answer them... shoot me an email at [masked]

    1 · March 21, 2013

  • A former member
    A former member

    Bitcoin is $3 up since the beginning of this meetup..

    3 · March 21, 2013

  • Ofer Rotem

    I am sure these questions were asked before, so if you have a relevant link that'll do:
    1. There will be 21 million coins, will the coin's value be stable enough so it will be possible to set a price to a product without needing to update it every day/week/month, and for the users to grasp the coin's value without the constant need to compare it to other currencies (as we do with the Shekel)? In other words, how will deflation be stopped (or slowed to a reasonable state)?
    2. Is there a good, simple, explanation to what promises the mining to stop at 21 million? And the answer "it's the algorithm" doesn't count ;)
    3. I'm taking the train from Rehevot if someone wants a travel buddy :)

    March 20, 2013

    • Ofer Rotem

      Let's see if i understood: if I mine a part of a bitcoin every time that bitcoin is used in a transaction I get a fee?
      If not, then when do the miners get the fee,
      if so, who determines the fee?

      March 21, 2013

    • Yuval Sapir

      Not quite. You get the miner fee whenever you sign a block. This is determined by the block "height" i.e. it's place in the chain and the transaction fees within this block as I explained

      March 21, 2013

  • Maayan Kimhi

    Anychance someone is coming from south TLV and have a place for me and my dog (in training to be a service dog for the blinds)?
    Will pay for gas and promise to not sing along the radio...

    March 21, 2013

  • A former member
    A former member

    Dear Organizers - will it be in Hebrew or English?

    March 21, 2013

  • Andrew Vorobyov

    What is the optimal way to get there... bus number?

    March 21, 2013

  • Meni Rosenfeld

    There will be a sale of Yubikeys at the event, the price is 100 NIS, payable in cash or BTC.

    March 21, 2013

  • Andrew Williams

    Is there anyone coming from Haifa that wants to travel together?

    March 21, 2013

    • Michael Foox

      though if some one can give a ride it would be nice.

      March 21, 2013

    • Ilan Rimon

      I'm coming from Haifa, but I'm without a car as well

      March 21, 2013

  • Estrella Demonte

    In Response to Cyprus Panic – BITCOIN HITS NEW ALL-TIME HIGH OF $50….er, $52, $54, $55. Bitcoin is both suspect and inspiring. Not a sure thing by any means, but worth the try!!!

    1 · March 21, 2013

  • Revital c.

    If there is lets say "traffic jam" in the information flow and all the System of bitcoin net crush - will there be a restart to it with all the money lost? As its just starting from a new point again? Or is there an automatic way that saves all the memory and calculation that already been made
    An example was the bug few days ago... Did it have major effect or not? On all the users information gathered to that point

    March 20, 2013

    • Meni Rosenfeld

      The blockchain data is replicated on thousands of computers (in persistent storage), so it's unlikely to be erased.

      The fork caused by the bug didn't have a major effect. For most people it had no effect whatsoever.

      March 20, 2013

  • Mark Yevday

    Next time :)

    March 20, 2013

  • Yaniv Ben-Yosef

    Hopefully next time :)

    March 19, 2013

  • Ido Green

    Hey Ron - Thank you for the lecture yesterday at Campus TLV.
    It was very informative...
    Btw, what is a recommended site for Israelis to buy bitcoins?

    3 · March 12, 2013

    • Ido Green

      Thank you sir... I'll check the options you mention.

      March 13, 2013

    • Ron Gross

      The site is currently down due to some technical/regulatory issues, but it will hopefully come back online after some technical/regulatory issues are resolved (no specific ETA yet). You can look for other options.

      March 13, 2013

  • Aviel Livay

    It would be nice if we get some more technical lectures because most of us already know the basics. Especially if you guys can get into describing the bug that was found few hours ago and its impact. BitCoin like any other currency is all about trust. How can we trust BitCoin when the software that's dealing with it is not bug free!!

    3 · March 12, 2013

    • Meni Rosenfeld

      Aviel - you know the basics but most people who will come to the meetup don't.

      The technical details of how Bitcoin works is difficult to explain even to technical people, let alone laymen. It's not remotely in the scope of this meetup.

      I might say a few words about the fork bug, but all software has bugs, the question is how severe the impact and how quickly they are fixed. In this case the impact was practically 0 and the root cause will be quickly fixed.


      You should consider arriving later to skip the lectures which aren't relevant to you.

      March 12, 2013

  • Ariel Horwitz

    Anyone coming from Jerusalem?

    March 8, 2013

  • zvika veig

    Is there any chance to hear about bitcoin and taxes in Israel ? I would like to hear some details from an Accountant, if possible.

    March 4, 2013

    • Aviel Livay

      That accountant may support the view that Bitcoin is a currency but I doubt the Israeli govt will support that too... What about Gold? Is it money? Used to be money? People all over the world pay taxes for gains in gold!

      March 4, 2013

    • Ron Gross

      I suggest we discuss this on the Google Group, it's more suitable for this than meetup.

      March 4, 2013

  • Yesha

    I hope I can make it

    March 3, 2013

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