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The 2022 Moonriver Grant Hackathon wrapped up on May 20th with over 57 submissions competing for $150,000 in prizes. One-third of the funding was allocated to a matching pool with winners chosen via public vote & quadratic funding. You can see eligible winners of the matching funds here on Dora Hacks. This document highlights the winners of the judged bounties, chosen by a diverse panel of impartial judges, including:

  • Derek Yoo, CEO and Founder, PureStake
  • Loki Zeng, Research Manager, Huobi Incubator
  • Ninos Mansor, Partner, Arrington Capital
  • Alberto Viera, Developer Relations Manager, PureStake
  • Urban Osvald, Growth Manager, Web3 Foundation
  • Stephen Shelton, Senior Blockchain Engineer, PureStake
  • Erin Shaben, Developer Relations Engineer, PureStake
  • Kevin Neilson, Developer Relations Engineer, PureStake
  • Jonan Scheffler, Director of Developer Relations, Parity
  • Alessandro Voto, Product Manager & Researcher, ChainSafe

For each of the below prizes, we’ve listed the challenge description, relevant winners, and judges comments where applicable. Links are also included to each of the project submissions and deployed applications. Projects were evaluated on a 5 point scale.

Award tokens were allocated in March 2022 using a 30-day TWAP of $59.56, and denominated in MOVR tokens. Due to market conditions, the Moonbeam Foundation and Huobi Incubator have decided to increase the overall bounty pool size. Displayed award amounts represent only the judged bounties and do not include the quadratic funding grant amounts.

Grand Prize – XCM Cross-Chain Explorer

XCM is a foundational new technology of Polkadot that allows heterogeneous blockchains to interoperate and seamlessly transfer value. XCM functionality recently debuted on Moonriver with the introduction of the XC-20 standard, a Substrate-native asset that conforms to ERC-20 standards. xcKSM, or KSM migrated from the Kusama Relay Chain, is the first XC-20 to launch on Moonriver. Currently, transferring assets via XCM between relay chain and parachain can be a frustrating experience because the information displayed in block explorers is limited and disjointed. For example, you might see a transaction that initiated your XCM transfer but it is not clear 1) that it is an XCM transaction and 2) the destination of the transfer. Your challenge is to build an explorer that tracks the status of a user’s assets and reflects accurate locations for assets transferred via XCM.

The main idea is to provide a nice UI and improve the UX for end users using XCM transfers. For example, put in your Ethereum Tx hash, or Substrate tx hash, or your address, and you’ll get a list of all the XCM you’ve done, with a link to the Event-ID on the target chain.

XCM Cross-Chain Explorer 1st Place Winner: XC-20 explorer and other Moon Data

Average Judge Score: 3.50
Award: 630 MOVR (1st Place XCM Cross-Chain Explorer + 2nd Place Huobi Incubator Best Overall)

xcm cross-chain dorahacks submission

XCM Cross-Chain Explorer 2nd Place Winner: XCMonitor

Average Judge Score: 3.50
Award: 315 MOVR (2nd Place XCM Cross-Chain Explorer + 3rd Place Huobi Incubator Best Overall)

xcMonitor dorahacks submission

NFT Collection Showcase DApp

Build an app that allows users to showcase their NFTs on Moonriver. The best project submissions will:

  • Support as many NFT collections on Moonriver as possible.
  • Allow users to create and share a user-friendly link with their friends. For example, mynfts.com/KevinPurestake Instead of, mynfts.com/address/0x2c507D8A3517799061c00cd6e4868C62210b647f.
  • Display relevant NFT Metadata and traits such as supply, rarity, tokenID, etc.

NFT Collection Showcase DApp 1st Place Winner: Mooncase

Average Judge Score: 3.17
Award: 295 MOVR

Mooncase dorahacks submission

NFT Collection Showcase DApp 2nd Place Winner: ViewMyNFTs

Average Judge Score: 2.75
Award: 105 MOVR

ViewMyNFT dorahacks submission

Runner-Up: CassavaLand (Disqualified because of Late Submission)

NFT Creation and Deployment DApp

Build an application that allows non-technical users to create and deploy NFTs to Moonbeam via a simple UI. Users should be able to upload image files for each NFT and specify various characteristics such as rarity. The best project submissions will:

  • Ensure the NFT image files are hosted on a decentralized service.
  • Allow users to set traits such as rarity and other characteristics.
  • Have a transfer functionality to allow NFTs to be transferred via web ui.
  • Feel free to use Pinata to help build your application.

NFT Creation and Deployment DApp 1st Place Winner: NFTs Showcase & Mint Dapp on Moonriver

Average Judge Score: 2.56
Award: 295 MOVR

NFTs Showcase & Mint Dapp Dorahacks submission

NFT Creation and Deployment DApp 2nd Place Winner: Cruzo

Average Judge Score: 2.42
Award: 105 MOVR

Cruzo dorahacks submission

Runner Up: OpenBiSea.io

Average Judge Score: 2.25

Launch a Game on Moonriver

Moonriver is fast, efficient, and interoperable, making it a perfect destination for gaming apps. Web3.unity is ChainSafe’s new open-source gaming SDK that makes it easy to integrate blockchain data into the Unity gaming engine. Web3.unity provides everything you need to power your gaming dApps and includes built-in wallet authentication among its many features. ChainSafe has published a comprehensive series of YouTube tutorials that demonstrates the capabilities of the SDK or you can check out the SDK docs here. To clarify, any gaming dApp is eligible for this bounty — you aren’t required to use ChainSafe’s gaming SDK to qualify.

Launch a Game on Moonriver 1st Place Winner: Orbiter8 Demo3

Average Judge Score: 2.95
Award: 295 MOVR

Orbitor8 dorahacks submission

Huobi Incubator Moonshot Bounties

If you’re building a unique DApp that doesn’t fit neatly into one of the already specified bounties, then this is the bounty for you! The only requirement here is that you haven’t submitted your project to other bounties.

Huobi Incubator Moonshot Winner: Web3Go (MoonID & MoonPush)

Average Judge Score: 3.63
Award: 840 MOVR (1st Place Huobi Incubator Best Overall + Huobi Incubator Moonshot Prize)

Web3go dorahacks submission

Huobi Incubator Moonshot Winner: Vulture Finance

Average Judge Score: 3.31
Award: 420 MOVR

Vulture Finance dorahacks submission

Huobi Incubator Best Overall Prizes

Best overall projects will be judged based on creativity, quality of the technical solution, and the user experience.

Huobi Incubator 1st Place Overall: Web3Go (MoonPush & MoonID)

Average Judge Score: 3.69
Award: 840 MOVR (1st Place Huobi Incubator Best Overall + Huobi Incubator Moonshot Prize)

Web3Go Dorahacks submission

Huobi Incubator 2st Place Overall: XC-20 explorer and other Moon Data

Average Judge Score: 3.5o
Award: 630 MOVR (1st Place XCM Cross-Chain Explorer + 2nd Place Huobi Incubator Best Overall)

xcm cross-chain dorahacks submission

Huobi Incubator 2nd Place Overall: XCMonitor

Average Judge Score: 3.50
Award: 315 MOVR (2nd Place XCM Cross-Chain Explorer + 3rd Place Huobi Incubator Best Overall)

xcMonitor dorahacks submission

Runners-Up

DefiHelper

Average Judge Score: 3.25

DePocket

Average Judge Score: 3.17

MintShips

Average Judge Score: 3.17

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Kevin Neilson

Author Kevin Neilson

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