ETH London Hackathon 2023

Bounties and Prizes

Are you ready to put your coding skills to the test and create innovative applications using Google Cloud Platform (GCP)? We invite hackers and developers from around the world to participate in our ETH Hackathon London. Your mission, should you choose to accept it, is to create an exceptional application on GCP at the Hackathon, on October 27 - 29, 2023.

Challenge Criteria:
Create a web or mobile application deployed on Google Cloud Platform (GCP). The application can serve any purpose or address any industry or domain.
Deploy your application on GCP. Ensure that it is live and accessible during the judging period.

Judging Criteria:
Your project will be evaluated based on the following criteria:
• Innovation: How creative and groundbreaking is your application?
• Technical Excellence: How well does your app leverage GCP's capabilities?
• User Experience: Is your application user-friendly and easy to navigate?
• Impact: What potential impact could your application have on its target audience or industry?
• Deployment: Your app must be fully deployed on Google Cloud Platform and accessible for judging.

Blockchain Data Sets:
We have made available datasets in Big Query for many different protocols. These can be used to access blockchain data in your applications.
https://cloud.google.com/blockchain-analytics/docs/supported-datasets

Prize:
1st Place:
• 2 Google Home Minis & 1 Google Home Large
• An opportunity to meet with the experts from Google for Startups for an exclusive workshop session on optimising your application, marketing, and scaling strategies.

Build one of the following:
1. Omnichain DApp
Based on our zkBridge cross-chain protocol, develop a succinct full-chain DApp;
2. Cross-chain Voting
Tokens and assets held on one chain can be verified and voted on another chain utilising the zkBridge;
3. Cross-chain Airdrop
Allow owners of ERC721 on Ethereum to claim other tokens on another chain (such as BSC);
4. Cross-chain ENS Analysis
Analyse an Ethereum ENS name on another chain. Have mainnet ENS addresses to be used on other chains via the zkBridge;
5. Cross-chain Lending
Deposit assets on one chain as collateral, allowing user to lend assets on another chain.
Build one of the following:
1. Unlocking Decentralized Intelligence with FLock SDK
Utilize the FLock SDK to craft a decentralized AI agent that shatters traditional barriers to entry. Whether you're envisioning an agent powered by a Decentralized Autonomous Organization (DAO), an NFT-based agent, or another groundbreaking concept, we're open to all innovative applications.
2. Integrating FLock with TON for Next-Gen Telegram Bots
As Telegram bots are increasingly capturing attention, imagine the untapped potential when melded with Web3 technologies. Use FLock in conjunction with TON to develop a Telegram bot that embodies the synergy of AI and Web3. Whether it's a trading bot, an alert system, or an on-chain analytics tool, the possibilities are limitless.
3. Intent-Driven Potential Unearthed by FLock
Harness intent-centric approaches to uncover untapped potential in the cryptocurrency landscape. The question is, how do we identify the ideal problem-solving algorithms? Explore the use of lightweight analytical models to tackle this challenge, and set the stage for long-term strategic gains.
4. Freestyle Innovation Track
In this open category, we invite a medley of ingenious ideas that step outside the box. Creativity is the only criterion for rewards; if you can dream it, you can build it.

We are looking for projects that utilize an API3 oracle to create a real-world use case for smart contracts. Projects must use either of the following API3 oracles:
- API3 QRNG: Quantum Randomness (Gaming focus)
- dAPI price feeds
- ChainAPI: Airnode integration tool
Please see getting started information in this repo as well as starter kits and examples in the references section.
Prizes:
$4000 API3 between a max of 3 winners
Must be deployed to a testnet!
API3 has provided access to Football, Cricket and Formula 1 sports betting odds. We are looking for projects that utilize the API3 sports oracle to create a sports betting application.
Alongside utilizing the sports odds oracle, we will reward projects that utilize the API3 QRNG to generate random numbers or dAPI price feeds for sports betting applications.
Please note we have a range of endpoints pre-deployed but can deploy additional data feeds as required through our oracle deployment tool ChainAPI.
Read more here.
Prize:
$2000

Show the world how good next-generation social media owned by its community can be!
Most innovative project: $2K
Best UI/UX - $1.5K
(We need dApps that people will use daily for a wider adoption of Web3. Think through building out a dApp aimed at consumers and build a Web3 solution with a superior UX, Leverage the MPC + AA stack)
Build a DeFi App utilising FTSO.
Build a DeFi Application that utilises Flare Time Series Oracle. The FTSO is Flare's native oracle for time series data such as cryptocurrency prices!
First prize: $2K
Second prize: $1K
Build your first Dapp on Flare on any use case from Gaming/NFTs/DeFi/Security/AI or anything, You can go out of your comfort zone and be as creative as you want, Surprise us!
$500 X 7 (If the project is good enough it is eligible for more than $500)
Create a fun and engaging piece of content (such as a meme, video, article, tutorial, blog, or Twitter thread) that educates people about Flare and its benefits.
Twitter Thread, Meme: $100
Long Article, Blog: $150
Video explaining Flare tech or a tutorial video on how to build on Flare: $200

Awarded to the best project using SmartPy on Tezos
Prize: $2500
Awarded to the best project using LIGO (smart contract language for Tezos) on Tezos
Prize: $2500
Awarded to the best DeFi dApp deployed on Tezos.
Prize: $2500
Awarded to the best application built using Taquito and Beacon SDK.
Prize: $2500

Build a Hyperlane V3 hook.
You’ll find the hooks people can build, including the submission criteria, on this page: https://github.com/hyperlane-xyz/hyperlane-monorepo/issues/2843
Prizes: 5 x $1000

Create a working software application that is built on the Linera SDK in the Rust programming language.
Using the Linera SDK is required - building a front-end for an existing Linera application or an application which is not part of the submission itself does not count. Adding significant improvements to an existing Linera application is acceptable. Linux and MacOS are recommended as Windows is still in testing. Keep in mind that we do not yet have a devnet, testnet, mainnet, or token. Your project should be a locally run web 3 application!

Prizes:
1st place - $3.5k USD
2nd place - $2k USD
3rd place - $1k USD
4th place - $500 USD
5th place - $500 USD

Judging Criteria:
Technological Implementation (40%) - Does the interaction with the Linera SDK demonstrate quality software development?
Design (20%) - Is the user experience and design of the project well thought out?
Potential Impact (20%) - How big of an impact could the project have on the Linera ecosystem?
Quality of the Idea (20%) - How creative and unique is the project?

Ideas of use-cases:
Providing seamless user experience in any dApp, game, protocol, wallet.
Adding cross-chain liquidity to any DeFi dapp.
Simplifying user interaction with NFTs.
Building a great social-fi app using Account Abstraction.
Prize:
$2,000 in USDC + a $550 voucher for a one-year subscription to the Etherspot services.
The prize includes $500 in USDC + a $250 voucher for a five-month subscription to the Etherspot services.
Ideas of use-cases:
Crypto Venmo alternative using Paymaster, send money to emails/socials without having a wallet yet.
Family sponsor dapp - let one smart wallet sponsor a group of wallets transactions.
Prize:
$500 in USDC + a $100 voucher for a two-month subscription to the Etherspot services.
Ideas of use-cases:
- Etherspot's smart contracts let's users assign guardians to their wallet for security purposes, currently we do not have a dapp for this.
- Social recovery.
Prize:
$500 in USDC + a $100 voucher for a two-month subscription to the Etherspot services.
Must be deployed to a testnet!
Using Etherspot's Account Abstraction services and API3's sports oracles, hackers will be able to create a sports betting application with a great UX.
To read more about the API3 side of things or get help, please check here or contact them in Telegram.
Prize:
$2000

Build a cross-chain app that can send and receive Wormhole messages (can be combined with any other ETH London bounty).
Prizes:
1st place: $4500
2nd place: $2500
3rd place: $500

Does the application leverage the use of zero knowledge proofs effectively?
Criteria
- User experience
- Developer experience (in the case of a library)
- Novelty
- Creativity, ingenuity
Prize: $2000 + runner-up awards from the $1k runner-up pool
Criteria:
- What is the overall developer experience of using the tool?
- Does the tool address a pressing need?
- Is the project well explained / documented?
- Novelty
- Creativity, ingenuity
Prize: $2000 + runner-up awards from the $1k runner-up pool
Criteria:
- Submission must include a write up of challenges faced when working with the sandbox
- Does the dapp leverage unique capabilities of the Aztec network?
- Dapp specific contracts written in Noir
- Novelty
- Creativity, ingenuity
Prize: $1000 + runner-up awards from the $1k runner-up pool

1st Place: 900 USDC
Access to 2 months on Presto upon mainnet launch.
2nd Place: 400 USDC
Access to 1 month on Presto upon mainnet launch
3rd Place: 200 USDC
Access to 1 month on Presto upon mainnet launch

We're here to cook up some applications that bridge the gap from Web2 to Web3.
To be eligible for the prizes, it's essential that your project use the private zkEVM roll-up created with our shiny new RaaS Presto tool:
https://presto.gateway.fm
Here are some ideas to get those creative juices flowing:
• Loyalty Programs
• Bus Ticketing
• Supply Chain Tracking
• Certificates of Authenticity
For more inspiration, visit this website: https://thevalueprop.io/database

The Blockchain Operating System (BOS) is NEAR's latest tech stack to decentralize the frontends of Web3 dapps from any chain. With BOS, you get the best of both worlds: decentralization & Web2-like UX/UI. Come learn how you too can decentralize your frontend with BOS.
BOS (Blockchain Operating System) is the easiest way to build and deploy your frontend on-chain by creating a JSX Component. All of the frontend source code on BOS is stored on-chain on Near, making your frontend fully decentralized and open-source. While the frontend is on Near, it can interact with smart contracts on any EVM chain in the backend. Components are also composable, meaning you can reuse and remix different components together and embed them into your dapp.
You are encouraged to incorporate this challenge into your submission for ETH London by creating a frontend component for your final project with BOS and deploying it on near.org. You can also build a custom BOS frontend for any existing EVM dapp as your final submission (see examples of BOS components for 1inch, Lido, or Uniswap, for inspiration).
Selection Criteria
Base Criteria (all submissions):
- You must submit a link to your dapp or project with a live, working BOS Component
- The component should prompt the user to connect their Ethereum Wallet of choice
- The component should display on-chain data (e.g. account balance / tokens), and allow the user to make a transaction through it
- The component should NOT be a simple fork of an existing BOS component with minimal changes
An outstanding submission is:
A live working frontend component deployed to the Near mainnet that interacts with a popular protocol on the Ethereum mainnet, L2s, or other chain supported by Blocknative infra. Everything in production. A user connecting to the component with a wallet should be able to make a transaction on mainnet in addition to viewing data from a smart contract. The frontend should support the majority of the features in the protocol.
Prizes:
First place: $3k
Second place: $2k
Third Place: $1k
Paid out in $NEAR.

App for building custom streaming curves with Sablier V2. The app should proceed to create the stream, but ideally there should also be a way to export the custom curve data as a JSON file.
You can see some wireframes here, and you can read the docs about LockupDynamic here.

Prize: From Sablier’s 6,000 USDC prize pool.
Implement an app that allows Sablier V2 users to:
1. Cancel an existing LockupLinear stream
2. Create a new one
By making just a single call to a cancelAndCreate function. The user should not be aware that any stream has been canceled in the background.
Prize: From Sablier’s 6,000 USDC prize pool.
Build a vesting ERC-20 contract that uses Sablier for the payment logic. You can see an example here.
The implementation should be made in a fork of V2 Core.
Prize: From Sablier’s 6,000 USDC prize pool.

Build something cool and innovative while using Envio as your indexer.
Hint: get your hack turbo started with our web3 app boilerplate.
Prizes:
Prize Pool: $2k (total) for projects that use Envio.
Build an exciting multichain application, tool or service using Envio as your multichain indexer.
Prizes:
1st place: $1,500
2nd place: $500
Build something cool and index more than 1 million real events (mainnet, base, Arbitrum, Optimism, BSC, Polygon, Linea, AVAX)
Prizes:
1st place : $1,000
Honourable mentions: 3x $100

Capture a one-of-a-kind, creative photo featuring Euler merch.
The top three winners will claim prizes of $500, $300, and $200, plus exclusive early access to the Euler v2 private testnet group.
See booth for details.

Implement a discord bot that uses Rarimo’s Proof of Humanity to verify users. The design doc for the bot can be found here.
Prize:
Up to $3,000
Implement a smart contract wallet via a linked social media account. Use Rarimo's Identity Protocol to prove the ownership on-chain without revealing sensitive data.
Prize:
Up to $2,000
Write an article exploring emergent use cases for self-sovereign identity in DeFi.
Prize:
Up to $1000

Build using Scaffold-ETH!
Best implementation(s) win!

Nord Security will be giving Nord bundles (NordVPN, NordPass, Incogni) worth $240 to each member of the top three overall winning teams!

13:30	🛎️ Doors Open
14:3030 mins	🙋‍♂️ Team Formation Session
All day	🛠️ Hacking
15:0030 mins	📣 Kick-off Event
15:3030 mins	👥 Building Beyond the Hype James Tromans (Google Cloud)
16:0015 mins	👥 Building Interchain With Hyperlane Daniel Savu (Hyperlane)
16:1515 mins	👥 An Introduction to building with Etherspot's TransactionKit Taylor Ferran (Etherspot)
16:3030 mins	👥 Building your first dApp on Flare with the FTSO Filip Koprivec (Flare Network)
17:0030 mins	👥 How to Build Something People Will Actually Use Georgia Rakusen (OpenUX)
17:3015 mins	👥 Programmable Privacy on Ethereum: Introducing Aztec and Noir Cat McGee (Aztec)
17:4530 mins	👥 Hacking with Linera: A Layer-1 that gives users their own blockspace Mathieu Baudet (Linera)
18:1530 mins	🔥 Fireside Chat: Robby Yung (Animoca Brands)
18:4530 mins	🏰 Opening Ceremony
19:30	🍽️ Dinner
All night	🛠️ Hacking

10:00	🥐 Breakfast
All day	🛠️ Hacking
10:1545 mins	👥 Data Rights and Privacy Solutions of the Next Era Jiahao Sun (Trias)
11:0015 mins	👥 Combating Bots On-Chain Using Rarimo's Proof of Humanity Kitty Horlick (Rarimo)
11:1530 mins	👥 Deploy your first app on Tezos Claude Barde (Tezos)
11:4530 mins	👥 Using Airnode and dAPIs - Powering DeFi with first-party Oracles Billy Campana (API3)
12:1515 mins	👥 Blockchain Indexing Quickstart with Envio Jonathan Clark (Envio)
12:3015 mins	👥 Decentralize Any Frontend with BOS Owen Hassall (Near)
12:4515 mins	👥 Build on a private rollup with Presto Ekaterina Sergeeva (Gateway)
13:0030 mins	👥 Building a Cross-chain dApp with Wormhole Csongor Kiss (Wormhole)
13:00	🍽️ Lunch
14:0030 mins	🧑‍🤝‍🧑 Investor Panel Caleb Shack (Big Brain Holding), Diogo Almeida (Lightshift), Geoff Hamilton (Variant)
14:3015 mins	👥 Making Derivative Markets Capital Efficient Simon Jones (Voltz)
14:4515 mins	👥 Layer-3 Technology and the Future of On-chain Liquidity Ran Hammer (Orbs)
15:0030 mins	👥 How to Think About GTM Strategies in Web3 Estefano Ramirez (Flight3, Zebu)
15:3030 mins	🔥 Fireside Chat: Tim Copeland (The Block)
15:30	☕ Coffee Break
16:0030 mins	👥 Development Tips and Techniques for Hackathons Laurence Kirk (Extropy.io)
16:3015 mins	👥 Building at the Node Level Tahir Mahmood (Nodulus / Cambridge Blockchain Labs)
16:4515 mins	👥 Intents - Experience Amplification in Web3 Kilian Scheutwinkel (Cambridge Blockchain Labs), Dr Simran Chana (Cambridge Blockchain Labs)
18:00	🍲 Dinner
All night	Hacking

09:00	🥐 Breakfast
All morning	🛠️ Hacking
12:00	⏰ Submissions Due
12:00	🍽️ Lunch
15:00	📣 Finalists Announced
16:00	🏆 Finale and Prizegiving
18:00	🛎️ Doors Close

ETH LONDON HACKATHON

What to expect

🤓 Workshops

🏆 Bounties

👥 1-1 Mentorship

🤓 Workshops 🏆 Bounties 👥 1-1 Mentorship

Where?

When?

Schedule

Co-organised by

Sponsors and Partners

PLATINUM SPONSOR

GOLD SPONSORS

SILVER SPONSORS

BRONZE SPONSORS

PARTNERS

COMMUNITY PARTNERS

ALSO INCLUDING…

SOCIETY PARTNERS

Judges, Speakers & Mentors

Bounties and Prizes

Securing a Ticket

FAQ

Check out the full hackathon summary and
read about the winning projects:

ETH LONDON HACKATHON

What to expect

🤓 Workshops

🏆 Bounties

👥 1-1 Mentorship

🤓 Workshops 🏆 Bounties 👥 1-1 Mentorship 🤓 Workshops 🏆 Bounties 👥 1-1 Mentorship

Where?

When?

Schedule

Co-organised by

Sponsors and Partners

PLATINUM SPONSOR

GOLD SPONSORS

SILVER SPONSORS

BRONZE SPONSORS

PARTNERS

COMMUNITY PARTNERS

ALSO INCLUDING…

SOCIETY PARTNERS

Judges, Speakers & Mentors

Bounties and Prizes

Securing a Ticket

Do I need to pay for a ticket?

What if I want to just attend but not hack?

I'm a student! Does that impact things?

What if I've registered but don't pay the deposit?

FAQ

Who can take part?

Do I need a team?

Is there technical support?

Where can I follow hackathon related updates?

Can I enter an existing project?

Do I own what I build?

Can I do more than one challenge?

How do I partner or sponsor?

Check out the full hackathon summary andread about the winning projects:

🤓 Workshops 🏆 Bounties 👥 1-1 Mentorship

Check out the full hackathon summary and
read about the winning projects: