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### [$100] Level 1 - INTERMEDIATE: Develop an Intermediate Smart Contract in the Clarity Programming Language for the Stacks 2.0 Blockchain
### Prize Bounty
$100 USD to the top 7 projects submitted. Winners will be contacted by Blockstack for payment.
### Challenge Description
In Level 1 - INTERMEDIATE, developers will build comprehensive, fully-functional smart contracts. The goal is for these contracts to demonstrate key features of Clarity and provide the community with a tangible first-look at what’s possible using the language.
To get started, we recommend heading to the "Resources" section of the **[Clarity Hackathon](https://community.blockstack.org/clarity-resources)** homepage.
Get to meet other hackers in our **Discord** community! We set up a dedicated [#hackathon](https://discord.gg/PFu2PCX) support thread for all your hacking queries.
### Level 1 Overview
This ain't your first rodeo, but you're no Steve Wozniak either. This level is for proficient smart contract developers who want to build a smart contracts showing off the principles of Clarity.
One step above basic, but probably not quite ready to be implemented in the next 'Killer DApp'.
These submissions will be expanded, functional smart contracts that take advantage of some of the features blockchain enables. One step above the most basic of smart contracts, but not quite an exhaustive demonstration of Clarity design principles. Displays decent competency with Clarity programming. Well-commented code describing major events in accessible language. Thoughtful testing that verifies functionality.
- Example: [Clarity Escrow Contract](https://github.com/friedger/clarity-smart-contracts/blob/master/contracts/tokens/escrow.clar)
### Submission Deadline
The entry and submission period for Hackathon Phase 1: Contracts: commences on May 14, 2020 at 10:00 a.m. E.D.T. and ends on May 29, 2020 at 11:45 pm E.D.T. ("Phase 1")
### Submission Requirements
1. The contract and tools must be built for Blockstack's Clarity smart contracting language;
2. The contract and tools must be the original work of the individual participant or the participating team; and
3. Any third-party technology used by the individual participant or the participating team must be subject to valid perpetual, irrevocable licenses.
### Judging Criteria
Category | Description
-- | --
Design | Is the smart contract well-structured, and broken into logical functions?
Functionality | How powerful or robust is the functionality the smart contract provides?
Use of Clarity Reference | How many different Clarity functions, keywords, or design principles are used?
Originality/Creativity | How unique or innovative is the mechanism smart contract? Has it been implemented before?
Real World Viability | How applicable is the smart contract to use in real world situations?
Documentation/Commenting | Does the project come accompanied by a comprehensive documentation or README? Is the code commented thoroughly so anyone could read through and discern its functionality?
### Winner Announcement Date
Our judges, **Diwaker Gupta**, Blockstack PBC Head of Engineering, and **Aaron Blankenstein**, Blockstack PBC Core Engineer, will select the winners before the start of the second phase of the hackathon on June 3, 2020. The winning participant or participating team will be notified within approximately one (1) week following selection of the winner, by message sent to the e-mail address used at the time of registration on Gitcoin. Blockstack will also make an announcement of the winner on twitter at twitter.com/blockstack.