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ETHDublin Hackathon

ETHDublin is a 24-hour hackathon taking place from May 26th to 28th 2023 at Dogpatch Labs.

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ETHDublin    Rules and Terms

Before reading the Rules of this Challenge, we kindly advise you to check our General User Terms & Conditions and Privacy Policy of the TAIKAI Platform.


ETH Ireland Hackathons Limited, a company registered with the Companies Registration Office (CRO No. 735596), having its registered office at Malton House, Custom House Square, Dublin 1 (hereinafter referred to as the “ETHIreland”), with the organisation of a Challenge as set out below; the Challenge shall take place from 26th of May to the 28th of May of 2023 (hereinafter referred to as the “Challenge”). 

ETHIreland shall be considered as the organiser of the Challenge (hereinafter referred to as the “Organiser”).


In this document:

“Prizes” means the prizes awarded to the Winners at the end of the Challenge.

“Overview” means the specifications determined by the Organiser, which may include the deadlines, the Prizes, the guidelines and themes to be complied with by all Innovators' contributions.

“Challenge” means the challenge or challenges that is the subject of the Rules, as organised by the Organiser.

“Confidential Information” means all the material or immaterial information of whatever nature, in particular administrative, commercial, scientific, technical, financial, fiscal, which was, is, or will be communicated by the Organiser to the Innovator, directly or indirectly, and in a non-exhaustive way, orally, in writing, by delivery of paper or electronic documents. Information that is not confidential is:

  • The currently accessible information or becoming accessible to the public without breach of the Rules from the Innovator,

  • The information legally held by the Innovator before their disclosure by the Organiser,

  • The information not resulting either directly or indirectly from the use of all or part of the Confidential Information,

  • The information validly obtained close to a third party authorised to transfer or to reveal the information mentioned above.

“Intellectual Property Rights” means all the following ownership legal rights, worldwide, whether registrable or not, and whether registered or unregistered, with respect to any designs, trade secrets, copyrights, works of authorship, neighbouring rights, mask works, Know-how, Software and all the industrial rights, such as trademarks, industrial designs or patents. It refers to any Invention, any copyright or other rights over a brand or model and, more generally, any element that may be protected by international laws or conventions on intellectual property.

“General User Terms & Conditions and Privacy Policy”: means the general terms of use of TAIKAI’s website and its Privacy Policy, accepted by every Innovator during the creation of a TAIKAI user account and readable on taikai.network

“Projects” means the Team and  all submissions, original ideas, documents, or other materials (such as presentations, videos, code, websites, etc.) uploaded to the Website by Innovators in response and as a solution to this Challenge;

“Expert Judges” means the jury responsible for selecting the winning Projects.

“Innovator” means any person registered in accordance with the Rules and who takes part in the Challenge.

“Registration” means the registration of an Innovator in accordance with the Rules.

“Rules” means the terms set out below, which apply to the Challenge.

“Team” means the team of innovators (2 to 5 per team), created on the platform in order to take part in the Challenge.

“Winner” or “Winners” means the members of the three (3) Projects that reach the final stage of the Challenge and are ranked by the Expert Judges as winning teams.


3.1. The Rules are intended to define the terms and rules of participation in the Challenge organised by ETHIreland and hosted by TAIKAI. The Rules are intended to complete the General User Terms & Conditions and the Privacy Policy of the TAIKAI Platform. In the event of inconsistency between these rules and regulations and those of the Terms & Conditions and Privacy Policy, these Rules will prevail.

3.2. The Innovator should be aware and agree to the fact that the proposed Challenge calls on their wisdom, skill, and cleverness during competitive trials. The Challenge shall not depend, even partially, on chance and luck under any circumstances, and can therefore not be considered as, or resemble a lottery.


4.1. Participation in this Challenge is free.

4.2. The Innovator must read these Rules, and fully accept their terms in their entirety without reservation before Registration and participation in the Challenge.

4.3. Participation in the Challenge is under the conditions of being any person of legal age. Any person under the legal age must be accompanied by a parent or legal guardian.

4.4. The Innovator guarantees that they will abide by the Rules. The delivery of the Prize will be conditional upon the capacity of the Innovator to meet the conditions stated.

4.5. There is only one entry per person in the Challenge

4.6. Innovators must form teams of 2 to 5 members.

4.7. Any Innovator and/or Team who doesn’t abide by the terms of the Rules during their Registration and at any time during the Challenge will be automatically and without previous notification, disqualified from the Challenge and shall not be awarded any Prize. In the case where a Prize would have been given to an Innovator and/or Team who doesn’t or didn’t comply with the Rules at the time of their Registration or during the Challenge, the Organiser has the discretionary right to demand the return of the Prize received.


5.1. For their Registration to the Challenge, each Innovator must open a user account on taikai.network and must indicate the following:

  • A valid username.

  • A valid email address.

  • A valid password To validate their Registration, the Innovator must accept the General Terms & Conditions and Privacy Policy provided by TAIKAI.

To complete their Registration in the Challenge, the Innovator must opt-in on the box indicating that they accept the Challenge Regulations.

A confirmation email containing a confirming link is sent to the Innovator’s listed email address. Once their account is confirmed, the Innovator can freely participate and complete their profiles.

5.2. Any Registration containing wrong, dubious, or incomplete information shall not be taken into account and disqualifies the Innovator and/or the Innovator’s Team from the Challenge.

5.3. By registering, the Innovator accepts being contacted through email by the Organiser, for the duration of their participation in the Challenge.


6.1. The Challenge shall take place from the 26th of May to the 28th of May

  • Projects must be submitted by the 28th of May at 16:00 pm.

  • Winners will be announced on the same day from 18:30 pm.

6.2. Every date clearly defined in these Rules and the Challenge is in Greenwich Mean Time (GMT), and refers to the year 2023.

6.3. Where necessary, due to operational requirements, the Organiser reserves the right to alter the duration of the Challenge by a reasonable amount of time, which will be conveyed to Innovators.

6.4. The Organiser, ETHIreland, reserves the right to launch a promotional challenge ahead of the ETHDublin hackathon. This will be conveyed to the Innovators with reasonable notice.


7.1. The Challenge consists of making contributions formed by three (3) deliverables which are in accordance with the requirements listed in points 8 and 9, during the two steps of preselecting and selecting.

7.2. The deliverable must absolutely respond to the Challenge definition and rules described in this document. The deliverable must be written in English; no other language will be accepted. The Organiser will not accept nor review any other documents submitted by the Innovators.


8.1. The Project Deliverables must absolutely respond to the Challenge definition and the Rules described in the tab “Rules” on the Challenge page.

8.2. Between the 26th of May to 28th of May, the Innovators will have to publish on the platform:

  • Project / Team name

  • A short description of the project

  • At least 1 Discord username for the team’s person of contact

  • Repository with project’s code

  • Video demo (90 seconds) and/or Presentation (10 slides max)

  • The contract address(es) or website URLs of your deployed application, either on a testnet of your choice or mainnet of a platform of choice. (NOT mandatory)

8.3. In the case of difficulty or failure to read the Deliverable, Innovators from these Projects will be notified and are responsible for re-submitting before the step’s end date. If the deadline is passed, the Project at hand will be disqualified from the Challenge.

8.4. Innovators guarantee that the content of the Project consists only of their own contribution and not from a third party. If there are suspicions that contributions are from a third party, the Project will be disqualified.

8.5. All the attachments, videos, and resources with more than 15Mb might be uploaded to external websites like (Dropbox, Google Drive, etc.) and provided as links in the project description.


9.1. The Project Evaluation is scheduled from the 26th of May to the 28th of May.

9.2. Selection uses the following set of criteria: 

  • Technicality – what level of competency does the project reflect and how well does the project leverage available Web3 tools?

  • Practicability – how useful is this submission in the real world and is the user experience adequate?

  • Innovation - is the project leveraging a new technology or enabling a new use/solution?

  • Originality - is this something completely new or are there other existing instances of the same type of projection and/or execution?

9.3. Factors relating to a person's appearance, religious or trade union, political opinions or sexual orientation are under no circumstances considered for selection. Selection by way of chance or luck will not result in any way, whether that be directly or indirectly.

9.4. A qualified set of Expert Judges to choose the best projects will be composed by the Organiser, ETHIreland, to be announced in due course.

9.5. The voting process is transparent and auditable as we use a token-based voting mechanism to select the best projects, using a public blockchain, available at any time during the competition.


The use of photos or images must be free from copyright. In any case, the Organiser will not be held responsible for the use of Intellectual Property for which third parties have rights.


11.1. Prizes referred to in this section are given to Innovators if the following rules are met: The delivery of Projects is in line with the quality standards of the different Jurys; Innovators accept and abide by section 12 on Intellectual Property for each Winner; Innovators accept and abide by the Rules regarding the disclosure of information regarding Winners on section 13.No Prize can be delivered to the Winners if they do not meet these three conditions, as well as entirely comply with these Rules.

11.2. The deliverance of a Prize at the end of the Challenge is subject to and is performed only when subjected to:

  • The full abidance to the Rules determined for the Challenge;

  • The presentation of documents from each Winner justifying that they respect the conditions stated on section 4.

11.3. Only Project Teams on the taikai.network website will be eligible for Winners and receive Prizes.

11.4. Every Innovator acknowledges that the Prize cannot be exchanged for money, replaced and/or exchanged for another Prize. It cannot be transferable, and Innovators are hereby informed that the sale or the exchange of the Prize is forbidden.

11.5. In event that the Prize is unavailable, the Organiser has the right to substitute the Prize for one of a similar value, of the same or different brand, or even exchange its value in cash.

11.6. Every Innovator recognises and accepts that the Organiser will not be held responsible, in any scenario, for the malfunction of the Prize or for any harmful consequences caused to the Winner or a third party because of the Prize. The Organiser will not provide any partner warranty service or assistance.

11.7. Every Innovator recognises and accepts that the Organiser’s responsibility with regards to the Reward is its deliverance to Winners only. All extra costs related to Prizes will, unless otherwise stipulated in the Rules, be charged to the Winners. Neither coverage nor refund will be owed as such.

11.8. Winners will be informed by the Organiser about their Prize via email, at the latest, 15 days after the end of the Challenge, to their accounts communicated upon Registration on the taikai.network. This is intended to include any promotional Challenges that launch in anticipation of the hackathon. The Innovator commits to respect and follow the directions indicated in this email. However, in the event that a Winner does not take possession of the Prize, for reasons unaffected by the Organiser, if there is a 2-month delay since the reception of the email, the Organiser has the right to expire the Prize from the Winner.

11.9. Prize structure is still to be defined by the Organizer closer to the event.


12.1. Any Project involving several Innovators constitutes a collaborative work.

12.2. As such, the Organiser is free to reproduce the Projects, to distribute them, to inform the public about them and to modify them. If the Projects are modified, altered or adapted, the Organiser may distribute the resulting derived work only in accordance with the terms agreed on these Rules.

12.3. Each Innovator guarantees that they are the co-owner and co-holder of the Intellectual Property Rights regarding all or part of the Deliverables submitted as part of the Challenge for the Project of which they are a member and that they have obtained all rights and permissions regarding all pre-existing elements and any elements for which they do not hold the rights if these elements are to be included in the Deliverables of all voting phases. Each member of a Participating Team guarantees that their application is original and unprecedented, that it does not infringe upon the copyright of any third party, and that all the elements of which it is formed, as well as all pieces of information communicated in the application presentation document, are accurate, reliable and complete. It is compulsory for Innovators to indicate the source of any pre-existing elements (music, text, images, etc.) that are included in the Deliverables.

Each Innovator ensures good use of the Deliverables provided by the Organiser, and as such ensures:

  • that the Deliverables submitted by the Team of which they are a member is original

  • that it does not infringe on or imitate any copyright, patent, brand or any other intellectual property belonging to a third party,

  • that it does not constitute an act of unfair competition or parasitical competition of any kind.

  • that all the elements of which it is formed, as well as all pieces of information communicated in the Deliverables, are accurate, reliable and complete.

Each Innovator indemnifies the Organiser and any present and future subsidiaries against any disturbance, action, claim, opposition, demand or eviction attempt from any third party.

12.4. During and after the end of the Challenge, the Innovators have the right to use and register the Intellectual Property resulting from the Projects created (e.g. code, algorithms, etc.) for their own personal and commercial use, as long as it may continue to be displayed as a Project on the TAIKAI platform.


13.1. Every Innovator authorises the Organiser, in the case where they would be appointed Winner of the Challenge to use their last name, their first name, their Twitter address, their city and region of residence, the name of their University/Startup or former University and their photograph, name in any promotional demonstration (except with the purchase of advertising space), including on the web sites of TAIKAI and any site or affiliated support, without that this use can legally give rise to any remuneration for 2 years maximum after the end of the Challenge.


14.1. The responsibility of the Organiser cannot be engaged in case of breakdown or dysfunction of the used telecommunications network, whatever the cause is, which would have the effect of damaging or preventing the identification or the access of the Innovator on taikai.network or any other useful web site for the participation in the Challenge.

14.2. Participation in the Challenge implies knowledge and acceptance of the characteristics, limitations and risks of the internet network and the technologies which are linked to it, particularly in consideration of the performances, in response time, in the security of the software and the computer hardware towards diverse potential attacks such as viruses, logic bomb or Trojan horses and in the loss or diversion of data. Therefore, the Organiser cannot be held responsible for the damages caused to the Innovator because of these accepted characteristics, limitations and risks.

14.3. The Organiser cannot, in any case, be held responsible for any damage caused by the defect or the delay of the delivery of the Projects, in particular for the refusal to consider late submissions, or for any damage caused by the impossibility to connect to the relevant websites or to upload/download correctly any delivery, the defect or the delivery time of any email sent during the Challenge, or for any damage caused by any hurdle preventing the Innovator attending or participating in the whole or part of the Challenge.

14.4. The Organiser cannot be held responsible in case of total or partial modification, suspension, interruption, adjournment, or cancellation of the whole or part of the Challenge for reasons beyond their control. In such a case, the Organiser will inform the Innovators as soon as possible via the taikai.network or by any means it sees fit.

14.5. The Organiser cannot be held responsible for the consequences of disqualification of an Innovator, and/or a Team, due to a violation of the Rules, and/or in case of rejection of a Project due to noncompliance with the Rules.

14.6. The Organiser shall not be liable for any trouble, action, claim, objection, claim related to the use of the Projects of the Organiser not foreseen by the Rules or in connection with the negotiation, execution or performance of contracts that the Organiser would sign with the Innovators.

14.7. In any case, the Organiser will not be held responsible for the delivery of the Prizes nor in case of impossibility for a Winner to benefit from their Prize for circumstances beyond the Organiser's control. The responsibility of the Organiser cannot be engaged in case of loss and/or deterioration of the Prize by post or any third similar service provider and more generally if the Winner does not receive their Prize. The responsibility of the Organiser cannot be engaged in case of incidents or of damages of all kinds, which could arise because of the enjoyment of the awarded Prize and/or because of its use.


15.1. For the duration of the Challenge and during a period of five (5) years after the end of the Challenge stated on section 6, the Innovator, under penalty of civil and / or criminal liability, commits to:

  • Not using the Confidential Information for any other purposes than the participation in the Challenge in the conditions of the Regulations;

  • Taking any necessary, useful and reasonable precaution to protect the Confidential Information;

  • Not Revealing the Confidential Information to whomever, by any means whatsoever, except to the other members of their Team;

15.2. At the end of the Challenge, because of the emergence of their term indicated to Point 6 or of their cancellation, the Innovator will immediately have to put back to the Organiser all the Confidential Information, whatever their support is, obtained during the Challenge, under penalty of civil and/or criminal liability. The Innovator forbids himself from keeping a copy in any form whatsoever, except with an on purpose, preliminary, and written agreement by the Organiser.


16.1. Participation in the Challenge and the awarding of the Prize requires the acceptance purely and simply and the full respect for the Rules in all its terms. The Organiser reserves the right to disqualify, immediately and without compensation, any Innovator and/or Project not satisfying in full with the Rules.

18.2. The Organiser reserves the right to modify at any time the terms of the Rules, and during the Challenge without the requirement of notification to the Innovator, concerning the application and the validity of these modifications. The Innovator is invited to consult regularly on the Rules. The Innovator gives up expressly any complaint or contesting linked to any modification brought to the Rules by the Organiser.


17.1. The Organiser reserves the right to cancel, shorten, or suspend the Challenge without prior notice:

  • In cases of greater force;

  • If it appears that fraud has occurred in any form whatsoever;

17.2. The Organiser cannot be held responsible for cancellation or suspension of the Challenge according to the present Point and no allowance nor compensation will be due to the Innovator.


18.1. The Registration and participation in the Challenge are not, in any way, for effect to create a link of subordination between the Organiser and the Innovator.


19.1. Any claim of the Innovator must be sent in writing during the last 30 days after the ending date of the Challenge.

19.2. Claims linked to the functioning of the website taikai.network must be formulated in writing at the following address: TAIKAI Building Connections, Av. Serpa Pinto 311, 4450-718 Matosinhos, Portugal.

19.3. Claims linked to the progress of the Challenge and to the sending of the Prize must be formulated in writing at the following address: ETH Ireland Hackathons Limited, Malton House, Custom House Square, Dublin 1.

19.4. At the risk of being rejected, any claim has to contain: Full contact details of the Innovator (name, first name, address, zip code, city, taikai login and e-mail); The identification of the concerned Challenge; The clear and elaborate presentation of the motives for the claim.


20.1. In case of persistent dispute after the Innovator has made a complaint in accordance with Point 19, the Organiser and Innovators agree to submit their dispute to an amicable settlement before any court proceedings.

20.2. The party eager to initiate conciliation must inform the other party through a registered letter with acknowledgment of receipt which will make him know their intentions and it will specify the cause.

20.3. If no agreement is reached between the parties within 30 days of the registered letter reception, parties regain their freedom of action.


The Regulations and the Challenge are under Irish law. You accept that any litigation related to the Challenge will be submitted exclusively to the Courts of Ireland.