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Lisk Builders Challenge: Round One

ZK Hack Berlin

XDC Grand Prize

Develop innovative decentralized financial solutions on the XDC Network.
Explore opportunities to enhance liquidity, yield farming, and lending protocols.
Create DeFi platforms that leverage the speed and efficiency of the XDC blockchain.

DeFi:

Track Prize

Build secure and user-friendly wallets compatible with the XDC Network.
Explore novel features, such as multi-chain compatibility and enhanced user experiences.
Focus on creating wallets that empower users to manage their digital assets seamlessly.



Wallets:

Pioneer the next generation of non-fungible tokens on the XDC Network.
Explore use cases beyond art, including gaming, intellectual property, and more.
Develop platforms that facilitate the creation, trade, and utilization of XDC-based NFTs.


NFTs:

Strengthen the underlying infrastructure of the XDC Network.
Explore optimizations, upgrades, or novel solutions for network scalability and security.
Contribute to the robustness of the XDC Network by addressing key infrastructure challenges.


Infrastructure:

Implementing a simple decentralized application that utilizes smart contracts. This could involve a basic voting system, supply chain tracking, or a token-based economy.


Dapp

Aptos Grand Prize

- NFT Leasing
    
    ### **Description**
    
    An online platform that allows artists to temporarily lease their digital artworks as Non-Fungible Tokens (NFTs). Users can rent these NFTs for display in their virtual environments.
    
    ### **Key Features**
    
    - **Limited Duration Leasing**: NFTs are leased for a predetermined time, after which they revert to the owner.
    - **Cryptocurrency Payments**: Rental fees are transacted in cryptocurrency for the agreed-upon lease duration.
    - **Automated Lease Management**: Smart contracts automatically return the NFT to its owner when the lease period ends.
    - **Smart Contracts**: To govern the leasing agreements.
- Online poker
    
    ### **Description**
    
    A decentralized online poker platform built on Aptos where players can participate in poker games while maintaining full control over their assets.
    
    ### **Key Features**
    
    - **Non-Custodial**: Players retain full ownership of their funds.
    - **Instant Settlement**: Winnings and losses are immediately processed through smart contracts.
    - **Smart Contracts**:
        - Game Contract: Manages game rules, player actions, and pot distribution.
        - Room Contract: Handles the creation and management of poker rooms.
    - **APIs**:
        - Game Data API: Provides real-time information about ongoing games, player stats, etc.
        - Transaction API: Facilitates the financial transactions related to bets and winnings.
- Chess on chain
    
    ### Description
    
    Chess on Aptos!
    
    Someone from the Aptos Labs team has built maybe half of this already: ‣. Feel free to take this and keep building!
    
    ### Key Features
    
    - Core gameplay features. The prototype has some of this implemented already but you’d need to complete other features like looking for checks, stalemates, draw conditions, etc.
    - There are some interesting additional game elements you could add. For example, you could make each piece “cost” some amount of APT, so in order to play a game you must commit a certain amount of APT. Based on the end state of the game, the winner gets the pot.
- Aptos Book Club
    
    ### **Description**
    
    On-chain platform for minting and utilizing audiobooks and PDFs of books as NFTs. Users can transfer ownership and even create subDAOs based on genres, authors, or series.
    
    ### **Key Features**
    
    - **NFT Audiobooks and PDFs**: Mint and utilize audiobooks and PDFs as NFTs.
    - **Transferable Ownership**: Transfer NFTs to friends or foes.
    - **Frontend UI**: Maintains a tree diagram of relationships between readers and authors.
    - (Future) **SubDAOs**: Create decentralized autonomous organizations based on genres, authors, or series.
    - (Future) **Fandom Metaverses**: Build metaverses that gamify the book NFTs.
    - **Smart Contracts**: To manage NFT minting, transfers, and subDAOs.
- Wordle/Qwordle on-chain

NFTs / Social / Gaming

- Split bills
    
    ### **Description**
    
    A dApp that allows you and your friends to create a group and add bills for various purposes like dinner, rent, etc. Bills can then be split and paid using on-chain currency.
    
    ### **Key Features**
    
    - Supports not just APT but also stablecoins such as USDC.
- 0 DTE Futures
    
    ### **Description**
    
    A decentralized futures trading platform built on blockchain technology, specifically tailored for short-term contracts that expire in 24 hours. Users can trade a variety of financial instruments in a secure, transparent, and efficient manner.
    
    ### **Key Features**
    
    - **Non Custodial**: Users retain full control and ownership of their assets throughout the trading process.
    - **Instant Settlement:** All trades, profits, and losses are immediately settled via smart contracts as soon as the 24-hour contract period expires.
    - **Trading Contract**: Manages the buying and selling of futures contracts, including order matching and margin requirements.
    - **Expiration Contract**: Handles the expiration of futures contracts and ensures the settlement is in accordance with the contract terms.
    - **Oracle Contract**: Pulls in real-time price data from trusted sources to be used for contract settlement.
    
    ### **APIs**
    
    - **Market Data API**: Provides real-time market data, including the current price, trading volume, and order book depth for all available futures contracts.
    - **Transaction API**: Facilitates all financial transactions related to the buying and selling of futures contracts, as well as margin calls and settlements.
    
    ### **Automated Liquidation**
    
    - The platform will automatically liquidate positions that do not meet the margin requirements, minimizing the risk of default.
    
    ### **24-Hour Time-Locked Contracts**
    
    - All futures contracts come with a time-lock feature that ensures they automatically expire after 24 hours.
- Prediction market
    
    ### **Description**
    
    A decentralized, non-custodial prediction market built on Aptos that allows users to bet on event outcomes.
    
    ### **Key Features**
    
    - **Non-Custodial**: Full user asset ownership.
    - **Liquidity**: No lock-ups for entering/exiting positions.
    - **Smart Contracts**:
        - Market Contract: Manages markets and resolutions.
        - Bet Contract: Manages bet placements and resolutions.
    - **APIs**:
        - Market Data API: Provides market details.
        - Transaction API: Handles bet transactions.
- Non-Custodial Fund Management

DeFi / Payments

- Proxy RPC
    
    ### **Description**
    
    A tool to spin up a proxy RPC, enabling users to double-check transactions and manage keys in a selected wallet privately. This is similar to what Frame offers on Ethereum.
    
    ### **Key Features**
    
    - **Transaction Verification**: Allows users to double-check transactions.
    - **Private Key Management**: Enables more private management of wallet keys.
    - **Proxy RPC Tool**: To facilitate private transaction checking and key management.
- Time Capsules
    
    ### **Description**
    
    A network of blockchain-stored time capsules where individuals can place digital assets, messages, or artifacts to be revealed at a specified future date.
    
    ### **Key Features**
    
    - **Digital Time Capsules**: Store messages, photos, or other digital assets.
    - **Encryption**: Contents are encrypted and stored on the blockchain.
    - **Timed Reveal**: Contents become accessible on a set date, either publicly or to designated recipients.
    - **Smart Contracts**: To manage the creation, encryption, and timed reveal of time capsules.
    
    ### **Applications**
    
    - Video games
    - Timed quests
    - NFT minting
- Secure on chain messaging
    
    ### Description
    
    Popular messaging systems today suffer from problems intrinsic to centralized services relating to reliability, censorship, etc. Aptos supports many features you’d want to see in a chat system already: censorship resistance, extremely high reliability, ZKPs, low time-to-finality, etc. With this feature set it is possible to implement a secure, reliable, private chat system on chain.
    
    ### Key Features
    
    There is a long list of features you could support here:
    
    - Zero knowledge anonymous social proofs allowing access to chat rooms
    - Decentralized e2e-encrypted messaging relays (potentially on chain)
    - Enhanced chat features like stickers, etc.
    - Auto membership based on token ownership.
    
    There is lots of cool tech out there already that could be leveraged for this.
    
    This project provides some of that out of the box: ‣.
    
- On-chain Framework for musicians

Infrastructure, Tooling, and Public Goods

- Staking Registry
    
    How it works:
    
    - Friends and family can stake APT as a wedding gift.
    - As long as the couple stays married, they get to keep the validator rewards.
    - If the couple gets divorced, the APT and any unclaimed rewards get proportionally redistributed to the friends and family that staked in step 1.
    
    ---
    
    ### Variations
    
    1. Milestone based rewards
        1. 1% of the delegated APT is transferred to the bride and groom’s multi-sig wallet every year on their anniversary. 
        2. Friends and family do not have clawback rights on these deposits if there is a divorce down the line. They would fall under a Gift Tax (starts at 18% in the US).
    2. LSD
        1. Friends and family may choose to utilize liquid staking derivatives to both increase the velocity of money in the aptos network and utilize their capital more efficiently.
    3. If kids then savings **fund
        1. If kids are had, then the bride and groom (or their accountant/custodian) goes in and toggles the kid switch in the Staking Registry UI which automatically streams 10% of the monthly APT rewards and 10% of the yearly APT deposit (still 1% of total delegated APT) into a new wallet that will serve as a savings/college fund for the kid. 
        2. For every kid, another 10% is withdrawn from the parent’s rewards and the 1% deposit of the principal. 
    4. Arbitration mechanisms
        1. In case of disagreements on how to use the rewards, implement an on-chain arbitration mechanism for a 3rd party or a DAO composed of undivorced couples to make decisions.
    5. NFT Mementos/Yearly Hallmark cards
        1. Issue nice NFTs like a Midjourneyd bouquet of flowers or something similar to the bride and groom’s multi sig on their anniversary
        2. This could be done in collaboration with Hallmark cards or Dove chocolates or something. Have Hallmark sponsor these NFTs (and transactions) and have them redeemable at Walgreens for a Dove bar of chocolate - or something like that. 
- NFT Burn-a-thon
    
    ### **Description**
    
    A live event where a large number of NFTs are burned in a short period to showcase the network's throughput capabilities.
    
    ### **Key Features**
    
    - **Real-time Tracking**: A dashboard displays the number of NFTs being burned per second.
    - **Community Participation**: Community members can take part in the event.
    - **Performance Metrics**: Capture key metrics like transaction time, gas fees, and network latency.
    - **Smart Contracts**: To manage the burning process and track metrics.
- Private Key Trading
    
    ### **Description**
    
    Infrastructure to facilitate the trading of private keys in a trust-minimized manner. Enables trading of non-transferable tokens, selling locked voting power, instant liquidity for staked APT, and on-chain privacy.
    
    ### **Key Features**
    
    - **Trust-minimized Trading**: Facilitates secure trading of private keys.
    - **Multiple Asset Types**: Supports non-transferable tokens, locked voting power, staked APT, etc.
    - **Smart Contracts**: To manage secure key trading.
- Family trees on chain
    
    ### Description
    
    Lots of family tree information is accessible, but gated behind paywalls, e.g. with Ancestry. This information is actually publicly accessible from a variety of government sources (libraries, archives, etc) but very hard to search and like all centralized services, prone to broken links, takedowns, etc. Having family tree information on chain for all time could be a great resource for the genealogy community.
    
    ### Key Features
    
    - You’d need to think about how best to represent family tree information on chain. A natural way to do it with modern Aptos standards would be to have each person be an object and form that into a tree, with information stored along the edges. The composability of objects would make it easy to update the information you can store as more features are added.
    - To make it easy to query this information you’d likely need to build a [custom indexer processor](https://aptos.dev/indexer/custom-processors/).
    - A frontend for displaying and eventually inputting family tree information.
- dEcommerce Tech Stack
    
    ### **Description**
    
    A decentralized tech stack for Ecommerce that allows tokenization of real-world assets and provides various functionalities to online stores.
    
    ### **Key Features**
    
    - **Embeddable**: Can be integrated into any online store.
    - **Personalized Stores**: Allows users to set up personalized stores quickly.
    - **Physical Items on Blockchains**: Enables the sale of physical items via Aptos.
    - **Community Sales**: Token-gated sales for communities.
    - **Digi-Physical Products**: Launch decentralized, digi-physical products and experiences.
    - **Smart Contracts**: To manage the Ecommerce functionalities.
- Randomized Secure File Storage

Move’s Most Innovative

- Type to Search Explorer
    
    ### **Description**
    
    A blockchain explorer that uses natural language processing to offer context-aware, natural language search queries for transactions, addresses, blocks, and smart contracts.
    
    ### **Key Features**
    
    - **Type-to-Search**: Users start typing and immediately see relevant suggestions.
    - **Advanced Filters**: Users can apply filters like date, transaction amount, or block number.
    - **Insight Cards**: Display insights alongside traditional search results.
- Crowdsourced AI Training
    
    ### **Description**
    
    A decentralized platform where users contribute data for AI training and get rewarded in cryptocurrency.
    
    ### **How it Works**
    
    - Users upload datasets or contribute to data labeling.
    - AI models are trained on this decentralized network.
    
    ### **Key Features**
    
    - **Data Contributions**: Users contribute data for training.
    - **AI Training**: Models are trained on the platform.
    - **Smart Contracts**: To manage contributions and rewards.
    - **AI Models**: For training.
- AI-Driven Content Licensing
    
    ### **Description**
    
    A blockchain platform for licensing AI-generated content like music, articles, or code.
    
    ### **How it Works**
    
    - AI generates content.
    - Content is stored on the blockchain with unique identifiers and smart contracts for licensing.
    
    ### **Key Features**
    
    - **AI-Generated Content**: Content like music, articles, or code is AI-generated.
    - **Blockchain Licensing**: Smart contracts enforce licensing terms.
    - **Smart Contracts**: To enforce licensing terms.
    - **AI Models**: For content generation.
- Automated Bidder Verification

AI x Creator

Welcome, Lync Users we provides the SDK for the unity versions.

LYNC Unity Integration

API Prize

The project which are built on HyperLane will be eligible to get the part of prize pool 200 USD of Hyperlane

Hyperlane Track

HyperLane Grand Prize

Read about the bounty details and find code templates for Polygon here: [https://nsb.dev/polygon-bounty](https://nsb.dev/polygon-bounty).

DimoHack_VITAP

DimoHack_VITAP

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