Euro Hack 2018
Sharing Economy Solutions Medium




Thanks to all Participants!

Mercari Euro Hack 2018

Mercari Euro Hack 2018 - Join us today!

Be a part of the biggest Sharing Economy Hackathon in Warsaw from 20-21 Oct, 2018!

The Challenge: Solve some common problems

  • QUALITY OF SERVICEMake item discovery, deliveries and payments easier
  • SECURITY & PRIVACYCreate a more secure framework for transactions  
  • FAIRNESSSolve authentication & fraud issues
  • ANYTHING ELSEHave more ideas? Solve any problems you can think of!  

Check out example solutions here!

About the Challenge

Japan tech unicorn Mercari has landed in Europe and is calling all developers, hackers, designers and anyone interested to help solve challenges facing the Sharing Economy. Participants that take the Mercari Euro Hack will not only get the chance to win incredible cash prizes, but also all-expenses-paid trips to Japan.

Check out the Prizes Section for details.

Sharing Economy

Definition: "Peer to Peer (P2P) economic model of acquiring or sharing goods and services, usually facilitated by a community-based online platform". We believe the Sharing Economy is about designing experience, rather than just products.

Sign up !

The Hackathon process

Step 1. Apply here! (~5 minutes)

Step 2. Take the online code challenge! (~75 minutes)

Step 3. Wait for your invitation to the Onsite Hackathon! (notice~2 weeks) 

Prizes & Incentives

For all shortlisted participants up to €400 (if traveling from outside Poland) and €200 (if traveling within Poland) travel and accommodation reimbursement!

  1. First place €4.000

    Cash prize

  2. Second place €2.500

    Cash prize

  3. Third place €1.000

    Cash prize

  4. For 1st, 2nd and 3rd places Winners Trip to Japan

    to visit the Mercari head office!

    • Winners of the 1st, 2nd and 3rd place will receive all expense paid trips to Tokyo, Japan.
  5. For shortlisted participants up to €400

    Travel and hotel reimbursement

    • Free food and drinks during onsite Hackathon
    • More information in FAQ

How to participate?

  1. Create your ChallengeRocket account, register to the Mercari Euro Hack 2018, and fill out the application form (deadline: Oct 4, 2018)
  2. If you are a team leader or an individual without a team, solve the code challenge on ChallengeRocket's platform (dates: Sep 1- Oct 4, 2018) - Phase I
  3. If you end up among participants with the highest score you will be informed via e-mail about qualifying for the 24h onsite Hackathon in Warsaw (Oct 20-21, 2018) - Phase II
  4. During the onsite Hackathon you will solve the sharing economy's most difficult problems! (Oct 20-21, 2018)
  5. If your project happens to win 1st, 2nd, or 3rd place, you or your whole team will be awarded with cash prizes and all-expenses-paid trips to Japan!


All participants must register individually. Team leaders or an individual without a team needs to complete the coding challenge between Sep 1-Oct 4. Shortlisted teams/individual will be invited to the onsite Hackathon in Warsaw. The Organizer guarantees travel and accommodation reimbursement for all shortlisted entrants arriving from outside of Warsaw.

Answers and presented projects must be original, own work of the entrants. Any case of plagiarism may result in disqualification of the participant from the Hackathon. Answers and projects must be presented in English. The event will be conducted in English. Projects must comply with all content guidelines applicable to the Terms and Conditions.

If you have any inquiry, please refer to the FAQ section. To stay updated, join Gitter to talk directly to other participants!

Where and when?

Warsaw, Poland
October 20-21
24 hours

About Mercari

Mercari is an e-commerce company founded in February 2013 and currently operating in Japan, the United States, and the United Kingdom. Our main product, the "Mercari" marketplace app, was first launched in Japan in July 2013, and has since grown to become the country's largest community-powered marketplace with over JPY 10 billion in transactions carried out on the platform each month.

We're hiring! Follow us on Instagram and LinkedIn to stay tuned!

Get in touch!

Do you have any questions regarding this Hackathon? Contact us or join our Gitter community!