{"schema":"BUIDL","d":{"id":6679,"members":[{"hackerId":89748,"projectMemberId":7604,"avatar":"https://cdn.dorahacks.io/images/hacker-avatar/1.jpg","name":"Keara_mhd9","handle":"keara_mhd9","email":"***@***","status":"pending","role":3,"title":null,"introduction":null},{"hackerId":89322,"projectMemberId":5222,"avatar":"https://cdn.dorahacks.io/static/files/18e004fb1998e6841f2e5a14981b372a.jpeg","name":"djm07073","handle":"U_edba48767fca6a","email":"***@***","status":"accepted","role":2,"title":null,"introduction":null},{"hackerId":88077,"projectMemberId":5221,"avatar":"https://cdn.dorahacks.io/static/files/18e0046b3d26c55a7d5d0a24103bdb40.png","name":"swimmiee","handle":"U_fbda0dcb2619cc","email":"***@***","status":"accepted","role":2,"title":null,"introduction":null}],"pictures":["https://cdn.dorahacks.io/static/files/1891a1c3cbc4d3f92deb9d748eaad59b.jpeg"],"roundProjects":[{"id":4962,"active":false,"createdAt":"2023-07-08T01:57:38.771021+08:00","name":"WiFi","hash":"4","projectId":6679,"ownerAddr":null,"matchingPool":3734.94,"contributions":0,"votes":31,"voters":0,"bounties":[],"roundInfo":{"path":"/grant/0xmaci","id":78,"name":"Main Category","uname":"0xmaci","grantType":"","isBscGrant":false,"grantTitle":"[Judge MACI Voting Round]Decreasing Frictions in DeFi | 0x, AWS, Family, Polygon |","grantName":"[Judge MACI Voting Round]Decreasing Frictions in DeFi | 0x, AWS, Family, Polygon |","sponsors":10000,"contributions":0,"buidls":5,"votes":0,"unit":"USD","status":2,"roundSeq":"MACI","chainId":137,"contractAddr":"0x05b25b3361b8b30cf4d45b645aa240f232034efe","startFrom":1688749200000,"endTo":1688972400000,"voteTime":0,"registerDueTime":0,"projects":[],"grant":{"path":"/grant/0xmaci","id":62,"name":"[Judge MACI Voting Round]Decreasing Frictions in DeFi | 0x, AWS, Family, Polygon |","owner":null,"extraInfo":{},"symbol":"[Judge MACI Voting Round]Decreasing Frictions in DeFi | 0x, AWS, Family, Polygon |","uname":"0xmaci","tags":[],"banner":"https://cdn.dorahacks.io/static/files/189316b931032e0f077fd5b4f5281504.jpg","bannerEn":"https://cdn.dorahacks.io/static/files/189316b7ccc2436068164bf4ceb9ef46.jpg","detail":"# Tips for Voting\n\nWelcome dear judges, to the Decreasing Frictions in DeFi Hackathon, powered by 0x project, Polygon, and other sponsors! We are delighted to have you here as DoraHacks, the platform supporting this hackathon and the ongoing MACI voting round. We would like to provide you with some helpful tips here:\n\n- Voting is easy: please click on the “cart icon” on the left side of the page and connect your wallet (via Polygon Matic Network). Then just add your favorite projects to the cart and give them your vote and love!\n\n- Whitelisted Addresses: In a MACI voting round, only addresses that have been whitelisted can be recognized by the smart contract and participate in the voting process. To ensure your vote is valid, please make sure to use the provided address for casting your vote. If you are unsure which address to use, you can refer to the following link: [Insert link here].\n\n- Voting Credits and Cost Calculation: Each voting address has been assigned 100 voice credits, which serve as voting tickets. In quadratic voting, the cost of casting votes grows quadratically as the number of votes increases. The cost of N votes from the same address will be N^2 voice credits. Here are a few examples to illustrate this:\n * 2 votes will cost 4 voice credits.\n * 5 votes will cost 25 voice credits.\n * 10 votes will cost 100 voice credits, which reaches the limit of the voice credits you possess.\n\n- On-chain Observability: It is important to note that the entire MACI voting process is unobservable on-chain, which is one of the intriguing aspects of the MACI mechanism itself. Once the voting period ends, the zero-knowledge proofs of MACI messages will be released and updated on the website. These proofs can be verified using snarkjs.\n\n- Contact and Enquiries: If you have any questions or need further assistance, please feel free to reach out to DoraHacks on Telegram via @dorahacksofficial. We are here to support you.\n\nThank you once again for joining us as judges in this event. Your participation is greatly appreciated!\n\n# Prize Pool\n\n**In short, there is a MACI Quadratic Funding prize pool totaling $10,000 plus three winning projects will receive $20,000 AWS credits, $30,000 worth of prizes.**\n\n- 0x + Family + Polygon: $10,000 USD Quadratic Funding Pool\n\n- AWS 1st place: $10,000 in AWS credits\n- AWS 2nd place: $5,000 in AWS credits\n- AWS 3rd place: $5,000 in AWS credits\n\n# Judging Criteria\n\nSponsors and their judges reserve the right to give a partial prize or no prize if they do not feel any submission has met the challenge. The judges’ decisions are at their own discretion and final, binding and incontestable.\n\nAll submissions must fulfill the following requirements to be considered valid:\n\n- Obtain a 0x API key (test key is okay) through the [0x Dashboard](https://dashboard.0x.org/login), and implement the Swap API [quote endpoint](https://docs.0x.org/0x-api-swap/api-references/get-swap-v1-quote) **on Polygon Mainnet or Mumbai**\n\n - **Note:** Projects only using the [/sources](https://0x.org/docs/0x-swap-api/api-references/get-swap-v1-sources), [/price](https://0x.org/docs/0x-swap-api/api-references/get-swap-v1-price), or [/orderbook](https://0x.org/docs/0x-orderbook-api/api-references/get-orderbook-v1)\n\n- Implement Swap API endpoints on Polygon Mainnet ([https://polygon.api.0x.org/](https://polygon.api.0x.org/)) or Mumbai ([https://mumbai.api.0x.org/](https://mumbai.api.0x.org/))\n\n- Integrate ConnectKit to connect wallets to your dApp\n\nSubmissions will be judged on the following criteria:\n\n- **Technical Implementation**\n\n - The code well-written, technically sound, and clean, and the project is technically complete\n\n - The use cases for the Swap API and ConnectKit make sense. The app is deployed on either Polygon Mainnet or Mumbai\n\n- **Creativity**\n\n - The idea solves an existing problem in a unique way\n\n- **Design**\n\n - Project has a delightful UI/UX and is easy to use\n\n- **Adoption & Market**\n\n - The project has potential to gain real-world traction\n\n - The project fills a market gap and has the potential to be adopted by a sizable and diverse audience\n\n- **Overall Presentation** \n\n - The project is clearly presented, including the demo video and documentation\n\n# Judges\n\n- William Doom - 0x, Senior Account Manager\n\n- Jessica Lin - 0x, Developer Advocate\n\n- Brad Feinstein - AWS, Global Business Development\n\n- Lochie Axon - Family, Design Engineer\n\n- Steph Orpilla - Polygon, Senior Developer Relations Engineer\n\n- Tony Olendo - Polygon, Lead Developer Relations Engineer\n\n# List of Partners\n\n**0x**\n\n[0x](https://www.0x.org/) is developers’ one-stop shop to build financial products on crypto rails. 0x empowers hundreds of developers with essential web3 tools to enable faster trading, better prices and superior UX. Our suite of APIs has processed over 52 million transactions and $125B in volume from more than 6 million users trading on apps like Coinbase Wallet, Robinhood Wallet, Metamask, Zerion, Zapper, and more.\n\nFounded in 2017 by Will Warren and Amir Bandeali, the 0x team is also the creator of the decentralized exchange [Matcha](https://matcha.xyz/). The team has made significant technical contributions, including the NFT token standard (ERC721) and has raised $109M up to Series B from leading investors as Pantera Capital, Greylock, Coinbase and Jump.\n\n[Website](https://www.0x.org/) | [Twitter](https://twitter.com/0xProject) | [Discord](https://discord.com/invite/d3FTX3M)\n\n**Polygon**\n\n[Polygon](https://polygon.technology/) is the leading platform for Ethereum scaling and infrastructure development. Its growing suite of products offers developers easy access to all major scaling and infrastructure solutions: L2 solutions (ZK Rollups and Optimistic Rollups), sidechains, hybrid solutions, stand-alone and enterprise chains, data availability solutions, and more. Polygon’s scaling solutions have seen widespread adoption with 18000+ applications hosted, 1B+ total transactions processed, ~100M+ unique user addresses, and $5B+ in assets secured.\n\n[Website](https://polygon.technology/) | [Twitter](https://twitter.com/0xpolygon) | [Reddit](https://www.reddit.com/r/maticnetwork/) | [Telegram](https://t.me/maticnetwork) | [Discord](http://discord.gg/polygon)\n\n**Amazon Web Services (AWS)**\n\nFrom Airbnb to Zocdoc, the world's top startups build on AWS. But they didn't do it alone. So whether you're looking for help solving a technical challenge, hiring the right engineers, or finalizing a fundraising round, we have all the resources you need to get started. There’s a reason more startups build on AWS than any other provider: we're here to help you succeed, from inception to IPO.\n\n[Website](https://aws.amazon.com/startups/) | [Twitter](https://twitter.com/AWSstartups)\n\n**Family**\n\nFriendly crypto software. Builder of ConnectKit a powerful React component library for connecting a wallet to your dApp. It supports the most popular connectors and chains, and provides a beautiful, seamless experience. Building Family Wallet, our goal is to create the wallet you'll enjoy using every day. That’s why we pour so much time and effort into making every last detail feel delightful.\n\n[Website](https://family.co/) | [Twitter](https://twitter.com/family)","detailEn":"# Tips for Voting\n\nWelcome dear judges, to the Decreasing Frictions in DeFi Hackathon, powered by 0x project, Polygon, and other sponsors! We are delighted to have you here as DoraHacks, the platform supporting this hackathon and the ongoing MACI voting round. We would like to provide you with some helpful tips here:\n\n- Voting is easy: please click on the “cart icon” on the left side of the page and connect your wallet (via Polygon Matic Network). Then just add your favorite projects to the cart and give them your vote and love!\n\n- Whitelisted Addresses: In a MACI voting round, only addresses that have been whitelisted can be recognized by the smart contract and participate in the voting process. To ensure your vote is valid, please make sure to use the provided address for casting your vote. If you are unsure which address to use, you can refer to the following link: [Insert link here].\n\n- Voting Credits and Cost Calculation: Each voting address has been assigned 100 voice credits, which serve as voting tickets. In quadratic voting, the cost of casting votes grows quadratically as the number of votes increases. The cost of N votes from the same address will be N^2 voice credits. Here are a few examples to illustrate this:\n * 2 votes will cost 4 voice credits.\n * 5 votes will cost 25 voice credits.\n * 10 votes will cost 100 voice credits, which reaches the limit of the voice credits you possess.\n\n- On-chain Observability: It is important to note that the entire MACI voting process is unobservable on-chain, which is one of the intriguing aspects of the MACI mechanism itself. Once the voting period ends, the zero-knowledge proofs of MACI messages will be released and updated on the website. These proofs can be verified using snarkjs.\n\n- Contact and Enquiries: If you have any questions or need further assistance, please feel free to reach out to DoraHacks on Telegram via @dorahacksofficial. We are here to support you.\n\nThank you once again for joining us as judges in this event. Your participation is greatly appreciated!\n\n# Prize Pool\n\n**In short, there is a MACI Quadratic Funding prize pool totaling $10,000 plus three winning projects will receive $20,000 AWS credits, $30,000 worth of prizes.**\n\n- 0x + Family + Polygon: $10,000 USD Quadratic Funding Pool\n\n- AWS 1st place: $10,000 in AWS credits\n- AWS 2nd place: $5,000 in AWS credits\n- AWS 3rd place: $5,000 in AWS credits\n\n# Judging Criteria\n\nSponsors and their judges reserve the right to give a partial prize or no prize if they do not feel any submission has met the challenge. The judges’ decisions are at their own discretion and final, binding and incontestable.\n\nAll submissions must fulfill the following requirements to be considered valid:\n\n- Obtain a 0x API key (test key is okay) through the [0x Dashboard](https://dashboard.0x.org/login), and implement the Swap API [quote endpoint](https://docs.0x.org/0x-api-swap/api-references/get-swap-v1-quote) **on Polygon Mainnet or Mumbai**\n\n - **Note:** Projects only using the [/sources](https://0x.org/docs/0x-swap-api/api-references/get-swap-v1-sources), [/price](https://0x.org/docs/0x-swap-api/api-references/get-swap-v1-price), or [/orderbook](https://0x.org/docs/0x-orderbook-api/api-references/get-orderbook-v1)\n\n- Implement Swap API endpoints on Polygon Mainnet ([https://polygon.api.0x.org/](https://polygon.api.0x.org/)) or Mumbai ([https://mumbai.api.0x.org/](https://mumbai.api.0x.org/))\n\n- Integrate ConnectKit to connect wallets to your dApp\n\nSubmissions will be judged on the following criteria:\n\n- **Technical Implementation**\n\n - The code well-written, technically sound, and clean, and the project is technically complete\n\n - The use cases for the Swap API and ConnectKit make sense. The app is deployed on either Polygon Mainnet or Mumbai\n\n- **Creativity**\n\n - The idea solves an existing problem in a unique way\n\n- **Design**\n\n - Project has a delightful UI/UX and is easy to use\n\n- **Adoption & Market**\n\n - The project has potential to gain real-world traction\n\n - The project fills a market gap and has the potential to be adopted by a sizable and diverse audience\n\n- **Overall Presentation** \n\n - The project is clearly presented, including the demo video and documentation\n\n# Judges\n\n- William Doom - 0x, Senior Account Manager\n\n- Jessica Lin - 0x, Developer Advocate\n\n- Brad Feinstein - AWS, Global Business Development\n\n- Lochie Axon - Family, Design Engineer\n\n- Steph Orpilla - Polygon, Senior Developer Relations Engineer\n\n- Tony Olendo - Polygon, Lead Developer Relations Engineer\n\n# List of Partners\n\n**0x**\n\n[0x](https://www.0x.org/) is developers’ one-stop shop to build financial products on crypto rails. 0x empowers hundreds of developers with essential web3 tools to enable faster trading, better prices and superior UX. Our suite of APIs has processed over 52 million transactions and $125B in volume from more than 6 million users trading on apps like Coinbase Wallet, Robinhood Wallet, Metamask, Zerion, Zapper, and more.\n\nFounded in 2017 by Will Warren and Amir Bandeali, the 0x team is also the creator of the decentralized exchange [Matcha](https://matcha.xyz/). The team has made significant technical contributions, including the NFT token standard (ERC721) and has raised $109M up to Series B from leading investors as Pantera Capital, Greylock, Coinbase and Jump.\n\n[Website](https://www.0x.org/) | [Twitter](https://twitter.com/0xProject) | [Discord](https://discord.com/invite/d3FTX3M)\n\n**Polygon**\n\n[Polygon](https://polygon.technology/) is the leading platform for Ethereum scaling and infrastructure development. Its growing suite of products offers developers easy access to all major scaling and infrastructure solutions: L2 solutions (ZK Rollups and Optimistic Rollups), sidechains, hybrid solutions, stand-alone and enterprise chains, data availability solutions, and more. Polygon’s scaling solutions have seen widespread adoption with 18000+ applications hosted, 1B+ total transactions processed, ~100M+ unique user addresses, and $5B+ in assets secured.\n\n[Website](https://polygon.technology/) | [Twitter](https://twitter.com/0xpolygon) | [Reddit](https://www.reddit.com/r/maticnetwork/) | [Telegram](https://t.me/maticnetwork) | [Discord](http://discord.gg/polygon)\n\n**Amazon Web Services (AWS)**\n\nFrom Airbnb to Zocdoc, the world's top startups build on AWS. But they didn't do it alone. So whether you're looking for help solving a technical challenge, hiring the right engineers, or finalizing a fundraising round, we have all the resources you need to get started. There’s a reason more startups build on AWS than any other provider: we're here to help you succeed, from inception to IPO.\n\n[Website](https://aws.amazon.com/startups/) | [Twitter](https://twitter.com/AWSstartups)\n\n**Family**\n\nFriendly crypto software. Builder of ConnectKit a powerful React component library for connecting a wallet to your dApp. It supports the most popular connectors and chains, and provides a beautiful, seamless experience. Building Family Wallet, our goal is to create the wallet you'll enjoy using every day. That’s why we pour so much time and effort into making every last detail feel delightful.\n\n[Website](https://family.co/) | [Twitter](https://twitter.com/family)","startFrom":1688749200000,"endTo":1688972400000,"matchingPool":10000,"sponsors":10000,"contributions":0,"votes":0,"voters":0,"rounds":[],"currentRound":null,"doraGrantDaoTags":[]},"extraInfo":{}}}],"hackathonProjects":[{"id":6241,"hackathon":{"id":119,"tabSet":[{"id":157,"name":"Workshop Schedule","slug":"workshop-schedule","description":"# Workshops Schedule\nRecordings will be released on the day listed. \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n

\n Date \n	\n Time (GMT - 7) \n	\n Event \n	\n Speaker \n	\n Link \n
\n June 2 (Fri) \n	\n 11AM \n	\n Hackathon starts & Submission period begins Workshop #1: Monetization across the DEX Stack \n	\n Will Warren (0x) \n	Opening Ceremony Workshop #1
\n June 8 (Thurs) \n	\n 11 AM \n	\n Workshop #2: DApp on AWS Basics \n	\n Aaron Sempf (AWS) \n	Workshop #2
\n June 8 (Thurs) \n	\n 11 AM \n	\n Inspiration for Building with 0x \n	\n Blog Post (0x) \n	(Blog) Inspiration for Building with Swap API
\n June 15 (Thurs) \n	\n 11 AM \n	\n Workshop #3: Create a Token Swap DApp with 0x, ConnectKit, Next.js \n	\n Jessica Lin (0x) \n	Workshop #3
\n June 22 (Thurs) \n	\n 11 AM \n	\n Sponsor's Office Hours \n \n	\n 11 AM \n
\n June 2 (Fri) - July 2 (Sun) \n	\n \n	\n Submission period \n
\n July 2 (Sun) \n	\n 11:59 PM \n	\n Hackathon ends \n
\n July 3 (Mon) - July 7 (Fri) \n		\n Review and Judging \n
\n July 10 (Mon) \n	\n 11 AM \n	\n Announce Winners \n

"},{"id":160,"name":"Resources","slug":"resources","description":"# Resources\n\n### **0x**\n\n- **Docs**\n\n - [All Swap API docs](https://0x.org/docs/category/swap-api)\n\n - [Intro to Swap API](https://0x.org/docs/0x-swap-api/introduction)\n\n - Guides\n\n - [How to Use Swap API](https://0x.org/docs/0x-swap-api/guides/swap-tokens-with-0x-swap-api)\n\n - [How to Build a Token Swap DApp](https://0x.org/docs/0x-swap-api/guides/how-to-build-a-token-swap-dapp-with-0x-api)\n\n - [API References](https://0x.org/docs/0x-swap-api/api-references/overview) - Polygon endpoint\n\n- **Videos**\n\n - [0x Concept Videos](https://0x.org/docs/introduction/0x-concept-videos)\n\n - [(Video) How to Use Swap API](https://0x.org/docs/introduction/0x-concept-videos#%EF%B8%8F-tutorial-how-to-use-swap-api)\n\n - [(Video) Build a Token Swap DApp with Swap API](https://0x.org/docs/introduction/0x-concept-videos#%EF%B8%8F-tutorial-build-a-token-swap-dapp-with-0x-api)\n\n### **Family**\n\n- [https://docs.family.co/connectkit](https://docs.family.co/connectkit)\n\n- [https://github.com/family/connectkit](https://github.com/family/connectkit)\n\n- [https://www.npmjs.com/package/connectkit](https://www.npmjs.com/package/connectkit)\n\n- Examples:\n\n - NextJS: [https://github.com/family/connectkit/tree/main/examples/nextjs](https://github.com/family/connectkit/tree/main/examples/nextjs)\n\n - CRA: [https://github.com/family/connectkit/tree/main/examples/cra](https://github.com/family/connectkit/tree/main/examples/cra)\n\n - Vite: [https://github.com/family/connectkit/tree/main/examples/vite](https://github.com/family/connectkit/tree/main/examples/vite)\n\n- Quick Start scripts for CRA can be found in the GitHub/npm readme\n\n### **Polygon**\n\n
\n\n- The Polygon Wiki is the source of truth for Polygon, providing comprehensive documentation, community resources, and guides for enthusiasts and developers interested in learning about or building on Polygon. [https://wiki.polygon.technology/](https://wiki.polygon.technology/)\n\n
\n\n### **AWS**"},{"id":187,"name":"Registration Guide","slug":"register","description":"# ****Getting Started [1-2 MIN]****\n\n## **Step. 1 Complete your personal info**\n\n**0. Before that, make sure that you already have an account.**\n\nUse the **Sign in/up button** at the upper right corner of the page to access the sign-up options.\n\n![2.png](https://cdn.dorahacks.io/static/files/187b688d041d9e93db6f3bb449aa74b2.png)\n\n**Github, crypto wallet** and **email** are supported for creating an account. For BUIDLers, we recommend you to connect the account to your **github** to make more people know what you are building at any time.\n\n*You may be asked to receive a verification code via email if you’re new to [dorahacks.io](http://dorahacks.io). The email may take some time to arrive. No worries! The code will not expire in 10 minutes when you click “send code”.\n\n**1. Click [Avatar] -> [Profile] to enter the Account Center, and click the \"Edit Profile\" button under your info.**\n\n![33.png](https://cdn.dorahacks.io/static/files/1881042e43c57a5513bbd23453e8ca9d.png)\n\n**2. Fill in the form as required. (Contact details, GitHub, Skills and Interest)**\n\n![Frame 17.jpg](https://cdn.dorahacks.io/static/files/18810462b8a4229d09bbe8340349b9c1.jpg)\n\n## **Step. 2 Register at a Hackathon**\n\n**1. Click “Register as Hacker” and confirm.**\n\n![22.png](https://cdn.dorahacks.io/static/files/188579f1f16053c950a6659435e8a433.jpg)\n\n**2. When registration succeeds, you'll see your info on “Hacker” tab!**\n\n![Untitled.png](https://cdn.dorahacks.io/static/files/188579edfd5a612d70ba1284d209e152.png)"},{"id":239,"name":"Results","slug":"results","description":"# Decreasing Frictions in DeFi Recap & Result Announcement\n\nThe \"Decreasing Frictions in DeFi\" hackathon has concluded, offering a total of $30,000 in awards ($10,000 USD +$20,000 AWS credits) with the goal of bringing together a group of sponsors whose tools work synergistically to assist DeFi builders and teams of all sizes in bringing their ideas to fruition. The hackathon received 58 submissions, which were evaluated based on five criteria: technical implementation, creativity, design, adoption & market, and overall presentation. Six winners were announced.\n\n![1111.jpg](https://cdn.dorahacks.io/static/files/1892f430c4785f1183a407d402bb88ae.jpg)\n\n
\n\n### [WiFi](https://dorahacks.io/buidl/6679)\n\nSolution to “Why DeFi?” An all-in-one dApp with a frictionless experience in exploring, investing in various DeFi opportunities without the need to leave the dApp even once.\n\n
\n\n### [Arcanum](https://dorahacks.io/buidl/6637)\n\nFully decentralised asset management protocol that brings Index based ETF to web3\n\n
\n\n### [Aisland Dex](https://dorahacks.io/buidl/6624)\n\nAn Open Source Dex to build your own Dex in 15 minutes\n\n
\n\n### [EZTrade DEX](https://dorahacks.io/buidl/6043)\n\nEasy Trading, Easy Life\n\n
\n\n### [CBIndex](https://dorahacks.io/buidl/6041)\n\nOne-stop Toolkit and Protocol for Decentralized Asset Management."}],"skills":null,"applied":false,"isCurrentHackerRegistered":false,"buidlsCount":58,"applicationsCount":59,"organization":{"id":351,"name":"0x","logo":"https://cdn.dorahacks.io/static/files/188070914297de23362154f42dc9ecee.png"},"description":"# Introduction\n\n0x, Family, Polygon Labs, and AWS are excited to invite you to participate in our “Decreasing Frictions in DeFi” Hackathon, an **online hackathon** where builders can showcase their innovations to solve real-world financial frictions. \n\n“Decreasing Frictions in DeFi” brings together a group of sponsors whose tools work synergistically to help DeFi builders and teams of all sizes to bring their ideas to reality. We are looking for novel financial applications that use ERC20 token swaps to solve real-world financial frictions.\n\n# How to Join\n\n- Step 1: Read through the Requirements\n\n- Step 2: [Join 0x Discord](https://discord.com/invite/official0x) and coordinate in [#defi-2023-hackathon channel](https://discord.com/channels/435912040142602260/1105952384221466655)\n\n- Step 3: Fill out the [signup form](https://docs.google.com/forms/d/e/1FAIpQLSeSvsO_RREx0YkEtEROOYZO3MSYzI_DkLmFOMiY6dp5PMfvcg/viewform)\n\n- Step 4: All team members should register on [DoraHacks](https://dorahacks.io/login)\n\n- Step 5. Attend the [workshops](https://dorahacks.io/hackathon/decreasing-frictions-in-defi/workshop-schedule), and build your projects\n\n- Step 6: Submit your entry. **👉 Make sure all submissions meet the Submission Requirements and Judging Criteria or else it will be ineligible! 👈**\n\n# Chat and Get Support!\n\nBtw, don't miss out on the Idea Board tab! It's your go-to spot for valuable tips, idea sharing, team forming, advice and feedback, etc. Get inspired and inspire others as you embark on this amazing hackathon journey ✨ **You need to click \"Register as a Hacker\" via the above button to post.**\n\nIf you have any question, you can also leave it on the Idea Board page or contact DoraHacks user support account at Telegram @dorahacksofficial.\n\n**👉 [Click here to register! ](https://forms.gle/FyzNta3tFiJ4zP7G9)**\n\nThe hackathon is offering a total of **$30,000** worth of awards ($10,000 USD +$20,000 AWS credits). \n\nIn addition to prizes, 0x is providing an opportunity for top 3 winners to showcase their project on our marketing channels. This is an exclusive opportunity to gain exposure and propel your project to the next level.\n\n# Prize Pool\n\n**In short, there is a MACI Quadratic Funding prize pool totaling $10,000 plus three winning projects will receive $20,000 AWS credits, $30,000 worth of prizes.**\n\n- 0x + Family + Polygon: $10,000 USD Quadratic Funding Pool\n\n- AWS 1st place: $10,000 in AWS credits\n- AWS 2nd place: $5,000 in AWS credits\n- AWS 3rd place: $5,000 in AWS credits\n\n# Schedule\n\n*For more information regarding workshops, please see the Workshops Schedule tab\n\n
\n\n

Date	Event
June 2 (Thurs) - July 2 (Sun)	Hackathon starts Submission period begins
July 2 (Sun)	Hackathon ends at 11:59 PM GMT-8 (PT)
July 3 (Mon) - July 7 (Fri)	Review and Judging
July 10 (Mon)	Announce Winners

\n\n\n# Requirements\n\n**Eligibility Requirements**\n\n- Participants must be legally eligible to participate under the laws of their country of residence. KYC may be required when claiming prizes.\n- Participants must be legally eligible to receive prizes and crypto transactions (in case they win) and are responsible for paying any taxes on the prize winnings.\n- Entrants undertake to submit projects that do not violate relevant laws and regulations, infringe any intellectual property or other rights of any third parties, or will otherwise be disqualified\n- All Submission materials must be in English or, if not in English, the Entrant must provide an English translation of the demonstration video, text description, and testing instructions as well as all other materials submitted.\n\n**Submission Requirements**\n\n- Participants are allowed to submit more than one submission. However, each submission must be unique and substantially different from the others.\n\n- All projects must be submitted to Dorahacks July 2, 2023, 11:59 PM GMT-7 (PT)\n\n- Only one member of a team submits the project. The submitter must provide the names of all registered team members.\n\n- Project submissions and demonstration videos must be in English.\n\n- All submissions must include:\n\n - All submissions MUST include a link to the GitHub project that contains the project documentation or codebase (**Please note that your submissions will be public**).\n\n - All submissions MUST link to a demonstration video that explains the benefits of your project, how to use it, and shows how to use the project\n\n - Provide comprehensive README which includes a clear description of the project and mentions how 0x Swap API (using the Polygon Mainnet or Mumbai endpoints) and ConnectKit are used. See Judging Criteria for details\n\n# Judging Criteria\n\nSponsors and their judges reserve the right to give a partial prize or no prize if they do not feel any submission has met the challenge. The judges’ decisions are at their own discretion and final, binding and incontestable.\n\nAll submissions must fulfill the following requirements to be considered valid:\n\n- Obtain a 0x API key (test key is okay) through the [0x Dashboard](https://dashboard.0x.org/login), and implement the Swap API [quote endpoint](https://docs.0x.org/0x-api-swap/api-references/get-swap-v1-quote) **on Polygon Mainnet or Mumbai**\n\n - **Note:** Projects only using the [/sources](https://0x.org/docs/0x-swap-api/api-references/get-swap-v1-sources), [/price](https://0x.org/docs/0x-swap-api/api-references/get-swap-v1-price), or [/orderbook](https://0x.org/docs/0x-orderbook-api/api-references/get-orderbook-v1)\n\n- Implement Swap API endpoints on Polygon Mainnet ([https://polygon.api.0x.org/](https://polygon.api.0x.org/)) or Mumbai ([https://mumbai.api.0x.org/](https://mumbai.api.0x.org/))\n\n- Integrate ConnectKit to connect wallets to your dApp\n\nSubmissions will be judged on the following criteria:\n\n- **Technical Implementation**\n\n - The code well-written, technically sound, and clean, and the project is technically complete\n\n - The use cases for the Swap API and ConnectKit make sense. The app is deployed on either Polygon Mainnet or Mumbai\n\n- **Creativity**\n\n - The idea solves an existing problem in a unique way\n\n- **Design**\n\n - Project has a delightful UI/UX and is easy to use\n\n- **Adoption & Market**\n\n - The project has potential to gain real-world traction\n\n - The project fills a market gap and has the potential to be adopted by a sizable and diverse audience\n\n- **Overall Presentation** \n\n - The project is clearly presented, including the demo video and documentation\n\n# Judges\n\n- William Doom - 0x, Senior Account Manager\n\n- Jessica Lin - 0x, Developer Advocate\n\n- Brad Feinstein - AWS, Global Business Development\n\n- Lochie Axon - Family, Design Engineer\n\n- Steph Orpilla - Polygon, Senior Developer Relations Engineer\n\n- Tony Olendo - Polygon, Lead Developer Relations Engineer\n\n# List of Partners\n\n**0x**\n\n[0x](https://www.0x.org/) is developers’ one-stop shop to build financial products on crypto rails. 0x empowers hundreds of developers with essential web3 tools to enable faster trading, better prices and superior UX. Our suite of APIs has processed over 52 million transactions and $125B in volume from more than 6 million users trading on apps like Coinbase Wallet, Robinhood Wallet, Metamask, Zerion, Zapper, and more.\n\nFounded in 2017 by Will Warren and Amir Bandeali, the 0x team is also the creator of the decentralized exchange [Matcha](https://matcha.xyz/). The team has made significant technical contributions, including the NFT token standard (ERC721) and has raised $109M up to Series B from leading investors as Pantera Capital, Greylock, Coinbase and Jump.\n\n[Website](https://www.0x.org/) | [Twitter](https://twitter.com/0xProject) | [Discord](https://discord.com/invite/d3FTX3M)\n\n**Polygon**\n\n[Polygon](https://polygon.technology/) is the leading platform for Ethereum scaling and infrastructure development. Its growing suite of products offers developers easy access to all major scaling and infrastructure solutions: L2 solutions (ZK Rollups and Optimistic Rollups), sidechains, hybrid solutions, stand-alone and enterprise chains, data availability solutions, and more. Polygon’s scaling solutions have seen widespread adoption with 18000+ applications hosted, 1B+ total transactions processed, ~100M+ unique user addresses, and $5B+ in assets secured.\n\n[Website](https://polygon.technology/) | [Twitter](https://twitter.com/0xpolygon) | [Reddit](https://www.reddit.com/r/maticnetwork/) | [Telegram](https://t.me/maticnetwork) | [Discord](http://discord.gg/polygon)\n\n**Amazon Web Services (AWS)**\n\nFrom Airbnb to Zocdoc, the world's top startups build on AWS. But they didn't do it alone. So whether you're looking for help solving a technical challenge, hiring the right engineers, or finalizing a fundraising round, we have all the resources you need to get started. There’s a reason more startups build on AWS than any other provider: we're here to help you succeed, from inception to IPO.\n\n[Website](https://aws.amazon.com/startups/) | [Twitter](https://twitter.com/AWSstartups)\n\n**Family**\n\nFriendly crypto software. Builder of ConnectKit a powerful React component library for connecting a wallet to your dApp. It supports the most popular connectors and chains, and provides a beautiful, seamless experience. Building Family Wallet, our goal is to create the wallet you'll enjoy using every day. 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It is free from many regulations and products are easily customizable and flexible. However, the complicated user experience in interacting with DeFi protocols hinders DeFi’s true potential. There are three main problems in DeFi that hinders a seamless UX.\n\n1. People who are not familiar with DeFi do not know **WHERE** to invest in. What kind of protocols there are, how they work, which one are the optimal, lucrative choice to invest in.\n2. Even if they knew where to invest in, there lies the problem of **HOW** to invest. Even if they knew their source and destination in moving their asset, they would need to know how to optimally swap, bridge, aggregate assets multiple times and finally deposit assets to the DeFi protocol.\n3. 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Testnets lacked some DeFi infrastructures we needed for our project demo.\n\n# **Solution**\n1. Through recalculation after each step, we were able to calculate the optimal path for each step and the exact amount to transfer to the next step. For example, for a path abstracted into 6 steps, initially, the optimal path for step 1-6 is calculated and step 1 is executed. After step 1, the optimal path and assets for path 2-6 are recalculated and so on until the very last step. By integrating with the 0x Swap API, we were able calculate efficiently and guarantee the optimal path.\n2. We deployed and used some mock dexes and bridges.","teamDescription":"We are a team formed by meeting at Blockchain Valley, the Blockchain society of Korea University, and we are interested in resolving the inconvenient UX problems of DeFi.\n\nSooyoung Lee\n\nKorea University Student, major in Computer Science\nDeveloped a decentralized application for leveraged staking protocol\nParticipated in various hackathons such as ETHGlobal Tokyo and won multiple awards in multiple categories\nWorked as a contract developer for SOOHO.IO DeFi product team\nJakyung Koo\n\nKorea University Student, major in Computer Science\nParticipated in various hackathons such as ETHGlobal Tokyo and won multiple awards in multiple categories\nDeveloped a B2B solution for detecting arbitrage opportunities and preventing capital outflow from exchanges\nSuha Jin\n\nKorea University Student, major in Electrical and Electronic Engineering\nParticipated in various hackathons such as ETHGlobal Tokyo and won multiple awards in multiple categories\nWorked as a research assistant at the Intelligent Blockchain Engineering Laboratory (IBEL) at Korea University\nCo-authored a paper proposing a standard for Account Abstraction Paymaster Contract in the Korean Blockchain Society Journal","githubPage":"https://github.com/take5ive/wifi-frictionless-hackathon","githubVerify":0,"demoLink":"http://wi-fi-eth-seoul.s3-website.ap-northeast-2.amazonaws.com/","demoVideo":"https://youtu.be/3IWMDUlovoQ","ownerTitle":null,"ownerIntroduction":null,"twitterVerified":false,"weibo":null,"nft":null,"scOwner":"0x3166e4122915d43e9d865efcc293ec8dae0ec068","editTime":1689012676,"upvotes":"0.00","isRecruitingEnabled":false,"recruitingInfo":"","recruitingLink":null,"twitter":"BacktoR80893433","facebook":null,"instagram":null,"socialTelegram":null,"socialDiscord":null,"socialLinks":[],"showedFunding":false,"agentStatus":null,"createdAt":"2023-07-03T13:19:13.461966+08:00","updatedAt":"2023-07-11T02:11:16.211489+08:00","milestoneEditor":89406,"path":"/buidl/6679","techField":"","techFieldAry":[],"techTree":[0],"tags":[0,1,5,71,76,80,94],"otherTags":[],"origin":"Hackathon-0x, AWS, Family, Polygon | Decreasing Frictions in DeFi","intro":"# **The problem WiFi solves**\n# **Problem**\nDeFi has opened diverse opportunities not possible from the centralized finance systems. 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Finally, even if they solved the first two problems, they would need to navigate through multiple dApps, moving back and forth through different pages, which can be time consuming and stressful.\n\n# **Solution**\nOur project aggregates all the necessary components needed for a seamless DeFi experience. First by aggregating DeFi protocol information via TheGraph API and DeFi aggregator APIs, we give a diverse investment option with high APR to choose from. Next, our Funnel Algorithm aggregates source value, composed of multiple assets from multiple chains, to the destination chain. Our Funnel Contract receives assets from the Funnel Algorithm and swaps the assets to the right amount and type of asset and deposits the funds in the DeFi protocol. This whole complicated process is abstracted, and the user only needs to choose how much and where to invest in. Other utilities such as gathering multiple assets and sending it to other chains for paying gas fees and withdrawal functionality complete the seamless UX. All the functionalities mentioned are integrated into a single dApp, making the DeFi experience accessible for everyone. We were able to realize this by the help of 0x’s swap API, which gave the optimal swapping path between to different type of assets. \n\n# **Challenges we ran into**\n# **Challenge**\n1. Despite the effort to reduce the amount of transactions for a frictionless experience, the process of transferring the assets (via swap, bridging) to the DeFi protocol could not be done in a single transaction, due to bridging and transaction signatures. Swap ratio, bridging fees, gas prices are constantly changing, making these results non-deterministic which created an obstacle in depositing the exact amount of assets and optimal path in each step.\n2. Testnets lacked some DeFi infrastructures we needed for our project demo.\n\n# **Solution**\n1. Through recalculation after each step, we were able to calculate the optimal path for each step and the exact amount to transfer to the next step. For example, for a path abstracted into 6 steps, initially, the optimal path for step 1-6 is calculated and step 1 is executed. After step 1, the optimal path and assets for path 2-6 are recalculated and so on until the very last step. By integrating with the 0x Swap API, we were able calculate efficiently and guarantee the optimal path.\n2. 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