GR8 Hackathon Results

The GitCoin GR8 hackathon was held in December 2020, with judging completed on Jan 4 2021. xDai sponsored bounties for applications deploying to xDai. We received 7 excellent submissions and chose 3 winners based on Usefulness, Creativity, Usability, and a working Demo. Judges included members of xDai, StakeHaus and Raidguild.  For more details about the hackathon, see https://gitcoin.co/issue/xdaichain/site/9/100024347.
Winners:
1)🥇
 Crosschain Arbitrage Graph by @makoto_inoue ​
The Crosschain Arbitrage Graph gives users data they need to find arbitrage opportunities and view historical price margins of ERC20s between HoneySwap on xDai and Uniswap on Mainnet.
Award: $2000 DAI
Site: https://xdai-arb-graph.surge.sh/​
Code: https://github.com/makoto/xdai-arb-graph​
2) 🥈
 Smart Giveaway by @dimahledba​
The Smart Giveaway platform lets users setup a customizable twitter giveaway then selects a random winner using on-chain POSDAO random number generation. The platform includes a robust UI along with the ability to interact with the randomAura contract on xDai. 
Award: $500 DAI
Site: http://smartgiveaway.surge.sh/#/dashboard​
Code: https://github.com/abdelhamidbakhta/smartgiveaway​
3) 🥉
 Buck Social by @LucasMoskun​
Buck Social is a simple $1 dollar betting platform built on xDai where users can verifiably "shake" on a bet. A notification system was added to the platform to increase usability. Users can add comments about bets, and are informed about new bets and bet status updates. 
Award: $500 DAI
Site: https://buck.social/​
Code:
https://github.com/LucasMoskun/buck_social_open_source​
​

2020 Year in Review

Public POSDAO Announcement

Last modified 1yr ago

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Contents

Winners:

1) Crosschain Arbitrage Graph by @makoto_inoue

2) Smart Giveaway by @dimahledba

3) Buck Social by @LucasMoskun

Winners:

1)🥇 Crosschain Arbitrage Graph by @makoto_inoue ​

2) 🥈 Smart Giveaway by @dimahledba​

3) 🥉 Buck Social by @LucasMoskun​

1)
🥇
Crosschain Arbitrage Graph by @makoto_inoue

2)
🥈
Smart Giveaway by @dimahledba

3)
🥉
Buck Social by @LucasMoskun