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Lisbon DAO Hackathon

Legal and tech hackathon organized by Lisbon DAO Observatory in collab. with TAIKAI and DCentral Lab

  • 24 Participants
  • 50,000 Invested
  • 0 Uninvested


  • Education
  • Social Good
  • Blockchain

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.


Lisbon DAO Observatory is a research project set up within the Research Centre for Private Law (Centro de Investigação de Direito Privado) of the Faculty of Law of the University of Lisbon, which itself is set up within Instituto de Direito Privado - IDP, a non-profit cultural association, with tax identification number 513319425, with registered office in the Faculty of Law of the University of Lisbon (Faculdade de Direito da Universidade de Lisboa), located in Alameda da Universidade, Cidade Universitária, Lisbon, (hereinafter referred to as the “Lisbon DAO Observatory”), with the organisation of a Challenge as set out below; the Challenge shall take place from 31 of October 2022 to 1 November 2022 via the website available here (hereinafter referred to as the “Challenge”). Lisbon DAO Observatory shall be considered as the organiser of the Challenge (hereinafter referred to as the “Organiser”).


In this document:

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

“Overview”: refers to 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”: refers to the challenge that is the subject of the Rules, as organised by the Organiser.

“Intellectual Property Rights” means all the following ownership legal rights, worldwide, whether registrable or unregistrable, and whether registered or unregistered, with respect to any designs, trade secrets, copyrights, works of authorship, neighboring rights, mask works, Know-how, Software and all the industrial rights, such as trademarks, industrial designs or patents;

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

“Solutions”: refers to the Team and to 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;

“Juries”: refers to the jury members responsible for selecting the winning Solutions.

“Innovator”: refers to any person registered in accordance with the Rules who takes part in the Challenge.

“Registration”: refers to the registration of an Innovator in accordance with the Rules.

“Rules”: refers to these terms, which apply to the Challenge.

“Team”: refers to the team of innovators (3 to 10 per team), created on the platform in order to take part in the Challenge.

“Winner” or “Winners”: refers to the members of the Solution that reach the final stage of the Challenge and are ranked by the Juries as winning teams.


3.1. Rules are intended to define the terms and rules of participation in the Challenge organised by TAIKAI. Rules are destined to complete the General User Terms & Conditions and the Privacy Policy of the TAIKAI Platform, which can be downloaded through the links provided previously. 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 agrees to the fact that the proposed Challenge calls on his/her wisdom, skill, and cleverness during extremely difficult 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 its Registration and participation in the Challenge.

4.3. Participation to the Challenge is under the conditions of: being any person on legal age.

4.4. The Innovator guarantees that he/she will abide by the rules mentioned above. 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 3 to 10 members.

4.7. Any Innovator and/or Team who doesn’t abide by the terms of the Rules during his/her 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 does not or did not comply with the Rules at the time of his/her Registration or during the Challenge, the Organiser has the discretionary right to demand the return of the Prize received.


5.1. For his/her 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 his Registration, the Innovator must accept the General Terms & Conditions and Privacy Policy provided by TAIKAI.

To complete his/her Registration in the Challenge, the Innovator must opt-in on the box indicating that he/she accepts the Challenge Regulations.

A confirmation email containing a confirming link is sent to the Innovator’s listed email address. Once his/her 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 his/her participation in the Challenge.


6.1. The Challenge shall take place from the 31st of October to the 1st of November 2022.

  • The Challenge will be revealed and registration will begin on the 31st of October.
  • Registration for participation will close on the 31st of October at 09:00 am, and will be publicised roughly one month beforehand.
  • Solution submission and pitching will take place from 2 pm on the 1st of November of 2022.
  • Winners will be announced on the 1st of November of 2022 around 05:00 pm.

6.2. Every date clearly defined in these Rules and the Challenge is in the Lisbon time zone (GMT), and refers to the year 2022.

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.


7.1. The Challenge consists of designing an overarching solution to a legal and tech problem presented by the Organisers on the 31st of October - such solution must be presented both in speaking and writing (pitching) and implemented in code through the use of a testnet. 

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 Solution Deliverables must absolutely respond to the Challenge definition and rules described in the tab “Rules” on the Challenge page.

8.2. At 2 pm on the 1st of November, the Innovators will present and pitch their overall solution to the Challenge. 

8.3. The solution will be presented orally, but should also be written down in detail in a word or pdf document. 

8.4. All the attachments, video, 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.

8.5. Innovators guarantee that the content of the Solution consists only of their Team’s contributions and none others. If there are suspicions that contributions are from a third party, all Innovators from that Team may be disqualified.


9.1. The Solution Selection is scheduled from 3 pm to 5 pm on the 1st of November 2022. 

9.2. Selection uses the following set of criteria: Suitability of the Solution for the Ends Laid Out in the Challenge; Compliance with Applicable Laws; Feasibility; Impact; Originality. 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.

9.2. A qualified set of Jury Members to choose the best solutions will be composed by the Organiser and will be composed bv legal and tech experts, to be announced soon.

9.3. Only 1 Solution will be awarded, to be announced on 1st of November 2022, around 5 pm.


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 presentation of Solutions is in line with the quality standards of the different Juries;
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 he/she respects the conditions stated on section 3.

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

11.4. 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.

11.5. 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. The Innovator commits to respect and follow the directions indicated in this email. 

11.6. The Winners will be awarded with the following prizes: 6.000 EUR, 1 TAIKAI Special Competition TShirt for each team member


12.1. Definition "Intellectual property rights" 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.

12.2. Any Solution involving several Innovators constitutes a collaborative work.

12.3. As such, the Organiser is free to disclose the content of the Solutions, to distribute them and to inform the public about them.

12.4. Each Innovator guarantees that he/she is the co-owner and co-holder of any Intellectual Property Rights regarding all or part of the deliverables submitted as part of the Challenge for the Solution of which he/she is a member, and that he/she has obtained all rights and permissions regarding all pre-existing elements and any elements for which he/she does 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 his/her 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 a good use of the deliverables provided by the Organiser, and as such ensures:

  • that the deliverables submitted by the Team of which he/she is 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.

12.5. During and after the end of the Challenge, the Innovators have the right to use and register the Intellectual Property resulted from the Solutions 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 he/she would be appointed Winner of the Challenge to use his/her last name, his/her first name, his/her twitter address, his/her city and region of residence, the name of his/her University/Startup or former University and his/her 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. The 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 delivery of the Solutions, 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 a disqualification of an Innovator, and/or a Team, due to a violation of the Rules, and/or in case of rejection of a Solution 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 Solutions 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 his/her Prize for circumstances beyond Organiser’s control. The responsibility of the Organiser cannot be engaged in case the Winner does not receive his/her 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. “Confidential Information” is defined in this present Rules, is 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.

15.2. 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 his/her Team;

15.3. 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 copy in any form whatsoever, except with an on purpose, preliminary and written agreement by the Organiser.


16.1. The 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, every Innovator and/or Solution 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 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, 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: Instituto de Direito Privado - IDP, Faculdade de Direito da Universidade de Lisboa, Alameda da Universidade, Cidade Universitária, Lisboa, Portugal.

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 acknowledgement of receipt in which it will make him know his 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 the Portuguese law. You accept that any litigation related to the Challenge will be submitted exclusively to the Courts of Porto.