Congratulations to the Hedera22 - Hello Smart Contract Hackathon Winners
May 31, 2022
by Lina Tran
Headshot
by Ed Marquez
Developer Relations Engineer

After 6 weeks of hacking, the Hedera22 - Hello Smart Contract hackathon has come to an end. Over 2500 participants across 95 countries submitted 118 incredible, diverse projects, built utilizing the new Hedera Smart Contract Service.

Let’s take a look at the winning projects, starting with the overall winners, and then diving into the specific challenge winners.

Overall Hackathon Winners

1st Place (Prize: $150,000 USD worth of HBAR): Deal Designer powered by HumanKind - A low-cost, easy-to-use platform for creating highly-customizable product offers that incentivize sharing and give back to the community with HumanKind's transparent, decentralized charitable match.

2nd Place (Prize: $100,000 USD worth of HBAR): UniFi Ricardian Contracts - UniFi creates human and machine readable legal contracts through a flexible and versatile parameter extraction engine, with the security & convenience of self-execution on Hedera.

3rd Place (Prize: $50,000 USD worth of HBAR): Flexible NFT Royalty Distribution - Providing a more flexible rate based NFT Royalty Distribution process for stakeholders based on Smart Legal Contracts to assign distribution proportions based on the transfer value of the token.

In addition to the overall hackathon prizes, entries were eligible for awards in 16 different challenge categories, focused on the Metaverse, DeFi, payments, privacy, social good, Women in Web3, and more. The winners are as follows:

The HBAR Foundation: Metaverse Challenge

The metaverse shouldn’t be owned by a single company, but should be decentralized - tied together by a series of trustless protocols. Deliver the best smart contract use case for the metaverse. Prize: $15,000 USD worth of HBAR

Winner:

Linkd Protocol - The World's First Open Source Monetization Protocol For The Metaverse And Web 3

Avery Dennison, atma.io: Sustainability Challenge

Prove smart contracts don’t have to consume massive amounts of energy and can also be used for good. Deploy a smart contract within the context of a sustainability use case, like using a carbon-offset token. Prize: $15,000 USD worth of HBAR

Winner:

Hedera Helix - Helping the environment with Hedera Helix for Heroes

BCW Group: Smart Contract Tool Challenge

Build a set of tools that allows for the easy compilation, deployment, and management of smart contracts on Hedera. Prizes: $5,000 USD worth of HBAR and an interview with BCW Technologies for joining the team and/or incubation opportunities

Winner:

BuidlSmart - A no-code smart contract builder

Buidler Labs & HeadStarter: Community Support Challenge

Smart contracts create opportunities for collaboration in a community. Conversation can take place in discord, DAO voting in web applications. Build a valuable tool for helping support smart contracts and their communities. Prizes: $5,000 USD worth of HBAR, a HeadStarter Swag Bag, and Mentorship by the HeadStarter & BuiDLer Labs team

Winner:

Security enhancing Discord bot using hashconnect for auth

Calaxy: DeFi Primitive Challenge

DeFi is often referred to as ‘money legos’. A collection of reusable abstractions that can be used in a composable manner by other developers. Create the best lego to help fuel decentralized finance on the Hedera network. Prizes: $5,000 USD, each member of the winning team will have the opportunity to be interviewed for roles on the Calaxy team, if they are interested, continued mentorship from the Calaxy engineering team, and exclusive Calaxy “swag bags”

Winner:

Dovu Labs H22 - Insuring carbon removals through decentralized reputation

Circle: USDC Payments Challenge

Enable the world’s leading digital dollar stablecoin, USDC, to be used for b2b payments and privacy-preserving transactions. Prizes: $15,000 USD worth of HBAR

Winner:

liddX Payroll - aiming to be the Sage payroll of blockchain, making it easy for users to manage employees, payroll and client projects all from a single platform built on Hedera Contract Service

IPFS/Filecoin: IPFS Storage Challenge

The best use of IPFS for content addressing and/or Filecoin for decentralized, persistent storage. Projects that use the technology indirectly via NFT.storage, web3.storage, Estuary, Fleek, Textile, or other toolings also qualify. Prizes: Grand Prize - $10,000 USD worth of FIL, Runner Up - $5,000 USD worth of FIL, Others - $500 USD worth of FIL

Winners:

Grand Prize - OpenSigil - Zero-trust encryption made easy

Runners Up -

- VideoFS - Decentralised content and managment services. Giving creators the freedom to switch between platforms in a click, remain uncensored forever no matter what and choose how they get paid

- Domain Names & Data Economy In Hedera and IPFS - Link domain names to blockchain addresses. Be "yourwebsite.com" on the blockchain, allowing: -Identity -Secure data sharing & monetization without oracles -SSL-like verification of IPFS content

Others - DeCert, Supabacker, THEO, DeCast – The first truly distributed video hosting, Miller

PIFPY - Profiles in the blockchain, BarMyPebble, Gideon, HashClaim - Gotta Claim Them AllliddX Payroll

Google: Enterprise DeFi Challenge

Decentralized finance can help businesses unlock new revenue opportunities, but specific requirements and needs will need to be addressed for the enterprise. Support enterprises to tokenize equity, bonds, or other balance sheets items and connect them to DeFi concepts utilizing Hedera Smart Contracts, Token Service, and GCP. Prizes: 1st Place - $10,000 USD worth of HBAR & $10,000 worth of GCP credits, 2nd Place - $5,000 USD worth of HBAR & $5,000 worth of GCP credits

Winners:

1st Place - UniFi Ricardian Contracts - UniFi creates human and machine readable legal contracts through a flexible and versatile parameter extraction engine, with the security & convenience of self-execution on Hedera.

2nd Place - THEO - THEO enables seamless B2B transactions with privacy solution based on Double Hashing. It allows 2 parties to communicate and transfer funds in a secure and private manner

GSR: OnRamps Challenge

From key management to KYC, crypto can introduce added complexity to end-users. Work on making it easier for the next wave of DeFi users to seamlessly onboard to the decentralized economy. Prize: $15,000 USD worth of HBAR

Winner:

Dazzle Protocol

HashPack: Login Library Challenge

Create a trustless, non-custodial login system that uses HashConnect to verify ownership of a Hedera Account on a decentralized application. The system should be an NPM library and allow for public and private information to be stored about an account and allow users to modify, delete and change the visibility of their data. Prize: $5,000 USD worth of HBAR

Winner:

VideoFS

HashPort: Browser Extension Challenge

Build a robust client-side, browser extension that enables the creation of decentralized applications on Hedera. This extension should have similar access control isolation as Metamask and fill the need for injection functionality similar to popular wallets such as Klaytn's Kaist and Parity's Polkadot.js. Prizes: $5,000 USD worth of HBAR, and an interview with hashport for joining the team and/or incubation opportunities

Winner:

Keyring Controller for Hedera Hashgraph - A module for managing groups of Hedera Hashgraph accounts called "Keyrings" adapted from MetaMask's Keyring Controller

Suku: DeFi NFT Challenge

Launch a DeFi protocol that uses the Hedera Token Service to interact with fungible and non-fungible tokens. For instance, to enable holders to use NFTs as collateral or lend a gaming NFT over a period of time. Prizes: 1st Place - $3,000 USD worth of Suku tokens or USDT, 2nd Place - $1,500 USD worth of Suku tokens or USDT, and both receive InfiniteWorld swag & opportunity to interview for a job at InfiniteWorld.

Winners:

1st Place - NFTBL | Your Own Football Team - Web3 NFT Football Management game-changing decentralized application with scalable Solidity Smart Contracts on Hedera

2nd Place - DOVU Labs H22 - Insuring carbon removals through decentralized reputation

Toko: Legal Contracts Challenge

Create a trustless, non-custodial login system that uses HashConnect to verify ownership of a Hedera Account on a decentralized application. The system should be an NPM library and allow for public and private information to be stored about an account and allow users to modify, delete and change the visibility of their data.1st and 2nd Place teams won: $5,000 USD and $2,500 worth of HBAR respectively, plus an opportunity to interview with TOKO for joining the team and/or incubation opportunities

Winners:

1st Place - UniFi Ricardian Contracts - UniFi creates human and machine readable legal contracts through a flexible and versatile parameter extraction engine, with the security & convenience of self-execution on Hedera

2nd Place - Flexible NFT Royalty Distribution - Providing a more flexible rate based NFT Royalty Distribution process for stakeholders based on Smart Legal Contracts to assign distribution proportions based on the transfer value of the token

UCL: DAO Accounting Challenge

DAOs are a new way to organize together, often for the use of establishing a joint pool of funds to accomplish a goal, like buying an item from an auction. Encourage the proliferation of, and more transparent accounting for DAOs by creating a protocol standard to drive on-chain bookkeeping. Prizes: $15,000 USD worth of HBAR, lifetime membership to the UCL Centre for Blockchain Technologies Industry programme*, 1-hour interview with the Executive Director of UCL CBT, Paolo Tasca, 1-year invitation to the UCL Industry Exchange Network (IXN) programme**, 3 Vouchers to attend the P2P Financial Systems International Workshop, T-Shirts

Winner:

DAGL - Triple-Entry Accounting on the Hedera Distributed Ledger

The HBAR Foundation: Women in Web3 Challenge

The HBAR Foundation recognizes that women are an underserved, underrepresented group across technology and wants to take steps to make sure that they are providing opportunities for everyone to contribute. They will reward the best project with a team comprised of at least 50% women. Prize:$15,000 USD worth of HBAR

Winner:

Hedera Helix - Helping the environment with Hedera Helix for Heroes

Hedera: Social Good Challenge

Distributed ledgers have opportunities to bring transparency for public good. Create an application that helps support positive social outcomes such as transparent fund matching. Prize: $10,000 USD per team

Winners:

Eleeos - Trustworthy, transparent, and accessible impact funds. Eleeos breaks down borders and opens up impact investing to all, enabling anybody to create customizable funds with a trusted marketplace

Supabacker - Decentralized Fund Marketplace - support the things you care about. Supabacker grant model restores trust in the funding process and rewards donors with utilities like NFT or special content

What’s next?

For starters, The HBAR Foundation is hosting an investor pitch day on June 1st where some of the hackathon projects have been invited to pitch to investors, you can find out details and RSVP here. We’d also want to encourage all teams that participated to further build on their applications and apply for grants through The HBAR Foundation.

You can expect to hear more from the hackathon winners, and various other teams that participated, including on our Virtual Meetup, the Hedera Blog, and numerous other engagements in the community.

Thank you again to all the participants, judges and sponsors. This hackathon would not have been the same without each and every one of them so thank you and excited to see the projects progress in the coming months!