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ETH Belgrade Hackathon

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The premier hackathon of Belgrade Blockchain Week, takes place in Belgrade from 5-7 June 2023.

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🏆 Total prize pool is $22000. Learn about all the individual bounties under the categories page.

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<h2>Rules &amp; Code of Conduct of ETH Belgrade Hackathon</h2> ETH Belgrade is community hackathon intended for collaboration and learning in the student community. We value the participation of each member of the student community and want all attendees to have an enjoyable and fulfilling experience. Accordingly, all attendees are expected to show respect and courtesy to other attendees throughout the hackathon. To make clear what is expected, all attendees and speakers at this hackathon are required to conform to the following Code of Conduct. Organizers will enforce this code throughout the event. <h3>1. The Code</h3> Harassment includes but is not limited to offensive verbal comments, hacks, or other online activity related to gender, sexual orientation, physical or mental ability, age, socioeconomic status, ethnicity, physical appearance, race, religion, sexual images, deliberate intimidation, stalking, inappropriate physical contact, and unwelcome sexual attention. Participants asked to stop any harassing behaviour are expected to comply immediately. If participants fail to comply, they will be asked to leave the event immediately. Sponsors, judges, mentors, volunteers, organizers, ETH Belgrade staff and anyone else at the event are also subject to the anti-harassment policy. In particular, attendees should not use sexualized images, activities, or other material both in their hacks and during the event. Booth staff (including volunteers) should not use sexualized clothing/uniforms/costumes, or otherwise create a sexualized environment. Be careful and mindful of the words that you choose. Remember that sexist, racist, and other exclusionary comments and hacks can be offensive to those around you. If a participant engages in behaviour that violates this code of conduct, the hackathon organizers will take any action they deem appropriate, including warning the offender or expulsion from the event. If you feel uncomfortable or think there may be a potential violation of the code of conduct, please report it immediately to one of the event organizers or by emailing us at <a href="mailto:hackathon@ethelgrade.rs">hackathon@ethelgrade.rs</a>. All reporters have the right to remain anonymous. <h3>2. Staking / Deposit</h3> Attendees are required to stake / deposit cryptocurrency to confirm their spot to participate in each event. Staking your spot is a proxy for ETH Belgrade to get a more reliable count of attendees as many elements of our events require synchronous coordination and planning at scale and also serves a great incentive to get people committed to seeing the hackathon through. If you need to chat to us about anything regarding your stake - feel free to reach out to any member from the ETH Belgrade team. Staking refunds are only applicable to hackathons. Stakes are returned to attendees as long as they meet the following minimum requirements: <ol><li>You must submit your hack before the submission deadline. Partial or incomplete hacks are still eligible for stake being returned.</li></ol> <ol><li>You must officially check-in and be physically present at the venue to participate as the event is happening in-person.</li></ol> <ol><li>Event Rules &amp; Conditions</li></ol>The following rules &amp; conditions apply to ETH Belgrade event (“The Event”). <ol><ol><li>If you are under the age of 18, you must obtain consent from your parent or guardian to participate in our event and your parent or guardian is required to agree to these conditions - an agreement signed by your parent or guardian must be submitted separately before attending The Event. You acknowledge that, even as a minor, you must read and understand the content of this Agreement, and that you have the capacity and intend to be bound by the terms of this Agreement.</li></ol></ol> <ol><ol><li>You are solely responsible for handling visa requirements, travel organisation and expenses, hostel / hotel and all other requirements concerning your entrance and stay in Belgrade i.e., Serbia.</li></ol></ol> <ol><ol><li>The hackathon will be organized in partnership with TAIKAI S.A., a company registered with the Portuguese Companies Registry under no. 515012718, having its registered office at Travessa Jose Maria Alves 138 Hab05, 4400-483 Vila Nova de Gaia, and TAIKAI platform. Therefore, you hereby accept TAIKAI’s Terms &amp; Conditions for using their platform.</li></ol></ol> <ol><ol><li>You must comply with all facility and equipment rules and requirements during your participation in The Event, including all safety instructions and requirements. You are not to take unreasonable risks while using the facilities where The Event is located, including causing any other person using such facilities an unreasonable risk of harm.</li></ol></ol> <ol><ol><li>You assume full responsibility for any damage or injury caused by you in your participation in The Event (whether to persons or property, and whether to yourself or others) and release ETH Belgrade, The Event, all sponsors of The Event, The Event volunteers, The Event staff, guests of The Event and all other participants in The Event (collectively, the “Releasees”) from any liability, therefore. YOU ARE AWARE THAT YOUR PARTICIPATION IN THE EVENT IS SOLELY AT YOUR OWN RISK, AND THAT THE RELEASE HEREIN IS INTENDED TO REFLECT THAT UNDERSTANDING.</li></ol></ol> <ol><ol><li>You (and your team) will own any developments made by you during The Event, and all right, title and interest in those developments, including the intellectual property rights therein, shall belong to you. However, you acknowledge that during the course of The Event, you may obtain access to products, developments, information and other materials belonging to other participants of The Event, the sponsors of The Event and/or other third parties (“Third Party Materials”), and that nothing in this Agreement is deemed to transfer any ownership, right, title or interest in such Third-Party Materials to you. Your only rights to the Third-Party Materials shall be those expressly granted to you by the owner(s) of the Third-Party Materials. Specifically, any APIs or other software provided to you by sponsors of The Event are subject to the subscription terms and software licenses associated with such APIs or other software.</li></ol></ol> <ol><ol><li>You acknowledge that The Event is intended to be an event where ideas are shared freely, and therefore acknowledge that any information that you share with other participants of The Event, the sponsors of The Event and/or other third parties during The Event is solely at your discretion and risk. If you wish to protect your information, it is solely your responsibility to implement confidentiality and security measures with respect to the persons to whom you are disclosing your information. None of the Releasees shall have any responsibility under this Agreement or by virtue of their participation in The Event with respect to your information.</li></ol></ol> <ol><ol><li>You acknowledge that the organizers and sponsors of The Event, including ETH Belgrade (collectively, the “Organizers”) will be recording The Event on video, photographs, audio recording and other media, and therefore agree that:</li></ol></ol> <ol><ol><ol><li>The Organizers have the unrestricted right to use your likeness, image, voice, opinions, and appearance, and also any images of your projects, developments, materials and belongings made at or brought to The Event, captured through video, photographs or other media during The Event for the express purpose of creating promotional material (the “Images”), for the purposes of use in websites, promotional materials, publications and other media of any of the Organizers, whether in print or electronically (the “Materials”). The foregoing right includes permission to copyright, use, re-use, publish, and republish Images in which you may be included, intact or in part, composite or distorted in character or form, without restriction as to changes or transformations, in conjunction with your own or a fictitious name, reproduction in colour or otherwise, made through any and all media now or hereafter known;</li></ol></ol></ol> <ol><ol><ol><li>The Organizers shall solely own the Materials in which you or your Images, in whole or in part, may appear, including copyright interests, and you have no ownership rights therein;</li></ol></ol></ol> <ol><ol><ol><li>You give all clearances, copyright and otherwise, for use of your Images, and waive any moral rights that you may have in the Materials in which you or your Images may appear. The rights granted to the Hackathon Organizers herein are perpetual and worldwide. For greater certainty, your Images may continue to be used after the completion of The Event;</li></ol></ol></ol> <ol><ol><ol><li>You relinquish any right that you may have to examine or approve the Materials in which you or your Images may appear or the use to which they may be applied; and</li></ol></ol></ol> <ol><ol><ol><li>You hereby release, discharge and agree to save harmless each and all of the Organizers from any liability by virtue of any blurring, distortion, alteration, optical illusion, or use in composite form of the Images whether intentional or otherwise, that may occur or be produced in the recording of the Images or in any subsequent processing thereof, as well as any publication thereof, including without limitation any claims for libel or invasion of privacy.</li></ol></ol></ol> <ol><ol><li>You agree that in some cases the Organizers may share your registration details, LinkedIn/Github profiles, details of your Hackathon product, and other information obtained from you in the course of, or relating to, The Event with the sponsors of The Event, and acknowledge that such sponsors of The Event may contact you during and after The Event. By agreeing to this document and/or participating in The Event, you are providing your express consent to communications by the Organizers and sponsors (including e-mail communications, both marketing and informational) respecting the products and services of the Organizers and sponsors, and future events.</li></ol></ol> <ol><ol><li>You acknowledge that alcohol, drugs or weapons of any kind shall not be present or consumed during any official ETH Belgrade event, with the exception for the alcohol served by us during The Event closing party. Participants will act responsibly and should wear their The Event identification badge at all times during the event.</li></ol></ol> <ol><ol><li>For valuable consideration, including permission to take part in The Event, the undersigned on behalf of him/herself, his or her personal representatives, assigns, heirs and next of kin:</li></ol></ol> <ol><ol><ol><li>    3.11.1.hereby covenants not to sue, and releases, waives, and discharges the Releasees, their owners, officers, agents, affiliates, employees, volunteers, and/or any other person or entity in any way associated with The Event, from liability for any injury to the person or property or death of the undersigned arising out of or related to use of the premises, equipment, or other facilities of the Releasees, whether caused by an act of negligence of the Releasees or otherwise; and</li></ol></ol></ol> <ol><ol><ol><li>    3.11.2.hereby assumes full responsibility for any risk of bodily injury, death or property damage arising out of or related to their participation in The Event, whether occurring to the undersigned or to any other person or entity for whom the undersigned is responsible or with whom the undersigned is associated, and whether caused by an act of negligence of the Releasees or otherwise. The foregoing release includes, but is not limited to, any occurrences of personal injury, illness (food-borne or otherwise), and loss of belongings, whether by theft or otherwise. The undersigned further agrees that this instrument (the terms of which collectively are referred to as the Agreement) is intended to be as broad and inclusive as is permitted by the laws of the Republic of Serbia and that if any portion thereof is held invalid, that portion shall be invalid only to the extent required by law, and the balance shall, notwithstanding, continue in full force and effect.</li></ol></ol></ol> <h3>3. Rules on Pre-existing Work</h3> We do not allow participants to submit pre-existing projects – you may start working on your project once hacking officially begins at event kick-off. You should not be working on your project before the event officially begins. This includes coding, designing assets, etc. Each hack submission will be judged solely on the quality of the work completed during the duration of the hackathon. We require everyone starts building from scratch - if there is a situation where a project/team are porting or continuing existing projects, you may request explicit permission from the ETH Belgrade team in writing before continuing to work on or submit the project. You may use any pre-existing code in your project only after you have notified the ETH Belgrade team in writing about the nature of previously done work and have gotten approval. Further, you need to disclose all relevant information in your submission video, project description, and during judging clarifying what specifically was done before the hackathon. If, upon inspection (during or after the event), you present work that appears to have been completed before the hackathon or does not accurately reflect your project description/video, or extends existing work that was not disclosed, your project is subject to immediate disqualification with full revocation of any prize amounts along with a permanent ban from the ETH Belgrade community and events. By using any pre-existing work (even after written approval), you forfeit the right to be considered as a finalist for the hackathon. In order to ensure that no pre-existing work makes its way into the submission, you must also use version control for your code throughout the course of the event. Any repositories with single commits of large files without proper history will be default assumed to be unqualified unless proven otherwise. Historically, projects that use a majority of pre-existing work do not score as high in the judging as projects which present wholly new and novel approaches - the goal of our hackathons is to create interesting experiments. <h3>4. Media Policy (Photography, Audio &amp; Video Recording)</h3> The following terms and conditions apply to any individual that is attending our in-person events. By attending the ETH Belgrade, you acknowledge and agree that the event (or any part of it) may be photographed or recorded by us or our partners. You agree to permit us, or any third party licensed by us, to use, distribute, broadcast, or otherwise globally disseminate your likeness, name, voice and words in perpetuity in television, radio, film, newspapers, magazines and other media now available and hereafter developed, both before, during and any time after the Conference, and in any form, without any further approval from you or any payment to you. This grant includes, but is not limited to, the right to edit the media, the right to use the media (alone or together with other information), and the right to allow others to use or distribute the media. ETH Belgrade takes the privacy of its attendees seriously and as such we are taking certain measures in an attempt to maintain the individual privacy needs of our attendees. If you would like to opt-out, to be captured within any form of Media, we will ask you to sign an opt-out form on-site at the event and we will ensure that ETH Belgrade and our partners respectfully is aware. Additionally, ETH Belgrade cannot take any responsibility for photographs, video and audio recordings taken by other attendees of the event. If you have any questions regarding this policy, please feel free to reach out to us at <a href="mailto:hackathon@ethelgrade.rs">hackathon@ethelgrade.rs</a>.

rules

<h2>What is ETH Belgrade Hackathon?</h2>ETH Belgrade Hackathon is a yearly technology event, spanning over two days of non-stop technical talks, workshops, competitions, and coding. For 48 hours straight, around 300 participants can enjoy world-class presentations, demos, community events, and its classic 48-hour coding competition. <h2>Do I get access to ETH Belgrade Conference?</h2>No, you still have to buy the ticket for ETH Belgrade Conference which you can do <a href="https://ethbelgrade.rs/" target="_blank">here</a>. But, for all hacker we have prepared discount codes so don't hesitate to reach out. <h2>Who can attend ETH Belgrade Hackathon?</h2>ETH Belgrade Hackathon is targeted at creative minds with a hacker spirit (in the classical definition of the word). Anyone with a technical profile is welcome to apply, not only engineers (eg. web designers are welcome too). <h2>How are applicants selected?</h2>ETH Belgrade Hackathon curators aim at selecting the best, most participative and motivated, programmers and creatives. For this they rely on what candidates fill in their profiles (their pitches and personal bios) and evidence of engagement in previous editions (if applicable). CVs don't matter, please don't paste full CVs as an application pitch. What matters is your potential and your passion for technology, no matter your level of experience. <h2>How much does it cost?</h2>ETH Belgrade Hackathon is free for all selected candidates. <h2>Can I register our company employees in bulk?</h2>No. Candidates must register and apply individually (they are evaluated and selected individually too, see above). <h2>Do you pay for the atendees' transportation and/or accomodation costs?</h2>No. However, there may be discounts and other partnerships. If so, these will be announced in the months leading to the event, so make sure you follow us in one of the social networks where we're present. You can also choose to sleep in the venue. This one is guaranteed, with some caveats (see below). <h2>Can I bring a guest to the event?</h2>No. All attendees must apply to the event individually. <h2>Do I have to participate in the 48h programming competition?</h2>No. But we do encourage you to participate in something during the event, and not just passively roam around the venue. Fortunately, there are plenty of activities to choose from. <h2>I was selected but can't attend the event, what do I do?</h2>Please let us know. Spots are limited and it would be nice if another candidate could go instead (but no, you cannot choose who that candidate might be). <h2>When will the schedule be available?</h2>A detailed schedule will be available closer to the event, on our website <h2>Will there be a live stream from the event?</h2>TBD <h2>Will the talks be recorded?</h2>Unless the speaker states otherwise, every talk will be recorded and available online in the weeks following the event. <h2>Is there food and beverages at the event?</h2>Food and drinks will be provided free for all attendees. We'll be providing lunch and dinner daily, and there will be random snacks and beverages available 24/7. <h2>Why is the official language English?</h2>We have attendees coming from all over the world. English is usually well understood and accepted. Our main motivation is technology and talent, and these are global attributes, so our main 'language' is what we use to code. English is not the only language at the event, though. The event is bilingual, so there may be talks held in portuguese. These will be properly identified in the event's schedule. <h2>Do I get a participation certificate at the end?</h2>Yes, we can provide participation certificates on demand in the days following ETH Belgrade Hackathon. Just make sure you actually participate. <h2>Should I arrange for a place to stay?</h2>In the spirit of the event, attendees can choose to stay the night at the venue, sleeping in sleeping bags or such. But if this is not your thing, you have many accommodation options elsewhere around. Closer to the event we may announce discounts and partnerships. <h2>Are there hotels nearby?</h2>ETH Belgrade Hackathon's venue will be in a very central location in the city, so there are plenty of hotels around. <h2>Are there showers available?</h2>The logistics for this are complicated, so don't count on it. Bathrooms are available, but showers may not exist at all or be very limited in time. You'll have to improvise. <h2>I've decided to stay at the venue. Can I bring a small tent to ETH Belgrade Hackathon?</h2>Tents are not allowed due to space limitations inside the venue. However we'll do our best to provide you with optimal spots for taking naps. <h2>What about a sleeping bag?</h2>This one is allowed, no problems with that. <h2>Is there Wi-Fi at the event?</h2>Of course. There will also be a limited number of ethernet outlets in the table area, but teams doing projects for the 48h competition have priority on these. <h2>Will the Wi-Fi be any good this year?</h2>The million-dollar question… The organization will provide a world-class setup but, ultimately, this depends on you and your fellow attendees. Bear in mind that hotspots are NOT ALLOWED at the event. Wi-Fi is a shared medium, like a pool, please don't pee in the pool. <h2>I am interested in exhibiting or becoming a sponsor, what do I do?</h2>If you are interested in sponsoring ETH Belgrade Hackathon, please contact us at for a prospectus and sponsorship application instructions. You can reach out to <a href="mailto:partnerships@ethbelgrade.rs">partnerships@ethbelgrade.rs</a> <h2>I'm a tech guy but I also do recruiting. Is it OK if I talk to someone at ETH Belgrade Hackathon to see if they're interested in working with me?</h2>You cannot engage in direct recruitment activities during ETH Belgrade Hackathon. This is one of the core rules of the event. The attendees don't enjoy unsolicited targeting, and we don't want to turn the event into a battlefield for hires. Trust us, it's better for you, not only for attendees. Having said this, it's OK if the interest is mutual and both parties want to talk (meaning the attendee approaches you). It's definitely NOT OK if you're preaching to the crowd or fishing around for interest. <h2>Can I leave a few flyers on the tables to advertise my group/event/company?</h2>That would depend on what you're advertising. The only hard rule on this is that you talk to us first at . <h2>Still have questions?</h2>Reach out to us on <a href="mailto:hackathon@ethbelgrade.rs">hackathon@ethbelgrade.rs</a>

faqs

<h2>Schedule</h2>Registration will close on May 26, 2023 <h3>Hackathon Details</h3>The programming event will last exactly 48 hours, starting on the first day. You can see the full schedule <a href="https://ethbelgrade.rs/hackathon" target="_blank">here</a>.

timeline

<h2>ETH Belgrade Hackathon (5-7 June 2023)</h2>ETH Belgrade Hackathon is a three-day event that gathers Web3 talents from around the world to compete for bounties provided by our sponsors and partners and the main prize. With that in mind, our mission is to empower engineers to push the limits of new technologies and build innovative real-world use cases on the Ethereum and EVM compatible chains.  <h2>Hackathon rules</h2>Hackers will work in teams (up to 6 members) or solo to develop new solutions on Ethereum. Teams will have 48 hours non-stop to build their projects. There is no restriction for applying, but the organizer will curate the candidates to ensure top-notch quality of the competition. The hackathon is 100% free to participate in and perfect for gaining hands-on experience and connecting with blockchain builders worldwide. <h2>Deliverables</h2>Every team should provide the following:<ul><li>Project’s name with a short description </li><li>Discord username for a person of contact</li><li>Repository with the project’s code</li><li>Video demo (X to Y minutes) </li><li>Presentation (up to X slides)</li><li>The contract address(es) or website URLs of your deployed application (NOT mandatory)</li></ul> <h2>Judging Criteria</h2> The jury will evaluate each project based on the following criteria: Technical aspectHow complex was the project to build? How well does the project leverage technology?How well and elegant is the project designed? Practical aspectDoes the project fill a current existing gap in the blockchain space?To what extent is the project economically justified?Is the onboarding process simple enough? Innovation aspectHow original and innovative is the project?Does the project leverage new technologies?Does the project enable new types of solutions to be created? <h2>22k (and growing) available in prizes</h2>We’re passionate about rewarding quality work, originality, and extraordinary effort. Our friends from various organizations have ensured that the best teams will be appropriately rewarded. <h2>Sponsors</h2><img src="https://taikai.azureedge.net/iLUVZBe7npJYe7_EO6Hm25lMRLFrlxxlSIndC-17FUE/rs:fit:800:0:0/aHR0cHM6Ly9zdG9yYWdlLmdvb2dsZWFwaXMuY29tL3RhaWthaS1zdG9yYWdlL2ltYWdlcy80ZDNiMzc0MC1mZDU0LTExZWQtOGU2YS05NTM4YmIzNDQ2MjFFRi1FU1AtbG9nby1kYXJrLnBuZw" style="width:300px" class="fr-fic fr-dib" /> <img src="https://taikai.azureedge.net/zNK-DYVVEZmX_xbNgIaej2DgSpCwdnIw9NA46Jz6hvk/rs:fit:800:0:0/aHR0cHM6Ly9zdG9yYWdlLmdvb2dsZWFwaXMuY29tL3RhaWthaS1zdG9yYWdlL2ltYWdlcy82ZjkyOTEzMC1mZDU0LTExZWQtOGYxYy04OTYyMDgwZDU0ZjZyZW5mdGVyLWxvZ28tZGFyay5wbmc" style="width:300px" class="fr-fic fr-dib" /> <img src="https://taikai.azureedge.net/hNz2EmWBlIY7Wt0jwRkzf8wdGLRthWsIf4pNBLzkDmc/rs:fit:800:0:0/aHR0cHM6Ly9zdG9yYWdlLmdvb2dsZWFwaXMuY29tL3RhaWthaS1zdG9yYWdlL2ltYWdlcy9hZGZhODRmMC1mZDU0LTExZWQtOGU2YS05NTM4YmIzNDQ2MjFNZXRhTWFza1NuYXBzLWxvZ28ucG5n" style="width:300px" class="fr-fic fr-dib" /> <h2>Timeline</h2>Here’s the definitive list of all crucial milestones you should remember:TBD <h2>Contact</h2><a href="https://ethbelgrade.rs/#hackathon" target="_blank">ETH Belgrade Website</a>Twitter: <a href="https://twitter.com/ethbelgrade" target="_blank">@ethbelgrade</a>Discord: <a href="https://discord.gg/pamx8DdH2g" target="_blank">https://discord.gg/pamx8DdH2g</a>

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