The Hackathon IS open to:

• Individuals who are at least the age of majority where they reside as of the time of entry (“Eligible Individuals”) (*NOTE: The age of majority is the threshold of adulthood as recognized or declared by law. Most countries set the age of majority at 18 including the US, UK, Germany https://en.wikipedia.org/wiki/Age_of_majority).
• Teams of Eligible Individuals (“Teams”)
• Organizations (including corporations, not-for-profit corporations and other nonprofit organizations, limited liability companies, partnerships, and other legal entities) that exist and have been organized or incorporated at the time of entry

 (the above are collectively, “Makers”)

An Eligible Individual may join more than one Team, or Organization and an Eligible Individual who is part of a Team or Organization may also enter the Hackathon on an individual basis.

If a Team or Organization is entering the Hackathon, they must appoint and authorize one individual (the “Representative”) to represent, act, and enter a Submission, on their behalf. The Representative must meet the eligibility requirements above. By entering a Submission on the Site on behalf of a Team or Organization you represent and warrant that you are the Representative authorized to act on behalf of your Team or Organization.

The Hackathon IS NOT open to:

• Individuals who are residents of, or Organizations domiciled in, Brazil, Quebec, or any country, state, province or territory where the laws of the United States or local law prohibits participating or receiving a prize in the Hackathon (including, but not limited to, the Balkans, Belarus, Burma, Cote D'Ivoire (Ivory Coast), Cuba, Democratic Republic of Congo, Iran, Iraq, Liberia, North Korea, Sudan, Syria, and Zimbabwe and any other country designated by the United States Treasury's Office of Foreign Assets Control)
• Any Judge (defined below), or company or individual that employs a Judge
• Any other individual or organization whose participation in the Hackathon would create, in the sole discretion of the Poster and/or Administrator, a real or apparent conflict of interest

Makers must do the following to participate in the Hackathon:

• Register for the Hackathon on the Hackathon Website by clicking the “Register for this Hackathon” button. To complete registration, sign up to create a Devpost account, or log in with an existing Devpost account. There is no charge for creating a Devpost account. This will enable you to receive important updates and access the “Enter a Submission” page.
• Visit https://payid.org to access the tools.
• Build (or update) software using PayString that reduces friction for payments.
• Software must include XRP as an optional currency.
• Include a link to a functional application on the web or in an app store

OR

• Include a link to a test build or APK for mobile applications.
• Include a link to your solution code on GitHub or any other code repository sharing method. Your code repository may be public or private. If your repository is private, access must be shared with contactxpring@ripple.com and stated in the testing instructions provided with your submission. Code will be used only for solution review and testing. Include a method to run the application in a testing environment and production environment.
• Create a video that includes footage that clearly explains your application’s features and functionality through a comprehensive demonstration.
• Complete and enter all of the required fields on the “Enter a Submission” page of the Hackathon Website (each a “Submission”) during the Hackathon Submission Period, and follow the requirements below.

See "rules" for more detail.