BetBlock
A fully on-chain gamblefi platform.
Demo
About
The problem it solves One of our teammates was on Etherscan exploring some transactions and saw an advertisement for [Stake.com](https://stake.com/), which was offering a **200% bonus on the first deposit**. When our teammate deposited **120 USDT**, the platform credited him with **360 USDT** in total. However, he was shocked to discover that he could only bet **$1 per game** in the *Play Plinko Online - Pachinko Casino Game* and was **unable to increase the betting amount** due to the bonus restrictions. While exploring other games, he realized that the platform had **cheated him using the concept of wager limits**. When he attempted to withdraw his money, he was shown a rule list that required him to **wager $12,300 worth of gameplay** to be eligible for withdrawal. After getting a mathematical explanation from their live support, he spent the entire night playing Plinko ultimately **losing all the money**. Frustrated and disappointed, **BetBlock was born** - a platform designed to blend GameFi and DeFi where users can **gamble safely, transparently, and securely** without falling for such deceptive tactics. BetBlock also aims to solve many of the issues prevalent in traditional gaming platforms. --- ## ⚠️ Problem The traditional online gambling industry is plagued by several issues, including: - **Unfair Game Outcomes**: Many platforms manipulate game results, leading to unfair play. - **High Fees**: Users face exorbitant fees for deposits, withdrawals, and gameplay. - **Restrictive Withdrawal Policies**: Withdrawal limits and conditions often prevent users from accessing their funds. - **Bonus Drawbacks**: Misleading bonus schemes trap users with unrealistic wagering requirements. - **Lack of True Asset Ownership**: Centralized platforms retain control over user assets, limiting their freedom and security. --- ## ✅ Solution BetBlock addresses these problems by offering: - **Provably Fair Gaming**: Utilizing **Chainlink VRF** to ensure all game outcomes are transparent and verifiably fair. - **Flexible Withdrawal Policies**: Providing users with unrestricted access to their funds. - **Transparent Bonus Schemes**: Clear and clean bonus terms without hidden traps. - **True Asset Ownership**: Decentralized asset management ensures users have full control over their assets. --- ## 🧩 Key Features ### 1. 🤖 AI - Social Aspect - Users can create **AI-generated NFT profile pictures** based on keywords. - View a **community leaderboard**. - Explore other players' profiles, recent activity, and ENS. ### 2. 🎰 GameFi - Gaming Aspect - Includes a fully functional **European Roulette game**. - Players can place various types of bets: straight, split, street, corner, six line, column, dozen, red, black, high, low, even, and odd. - The **roulette wheel**, powered by **Chainlink VRF**, randomly generates winning values. - Winnings are automatically calculated and transferred to user wallets using **Chainlink Automation**. ### 3. 🏦 DeFi - Lending Aspect - Users can deposit **any tokens from any chain** as collateral to borrow **LINK**. - Facilitates gameplay without needing to sell existing holdings. - Uses **Chainlink Data Feeds** to fetch real-time asset prices and calculate the maximum borrowable amount. --- ### 🕹️ Diverse Game Selection BetBlock supports a variety of **fully on-chain games**: - ✅ European Roulette - ✅ Mines - ✅ Spin Wheel - 🔜 Blackjack, Plinko, and more *Note: Roulette, Mines, and Spin Wheel are already developed as Proof of Concept (PoC).* --- ## 🛠️ How We Built It BetBlock was developed using a combination of **Chainlink services** and modern **blockchain technologies**: - **MicroGPT + Chainlink Functions**: Used to mint NFTs on **Polygon** with **DALL-E3**. - **IPFS Server**: Custom-built to store NFTs and metadata, integrated with internal API to reduce cost and improve performance. - **Chainlink VRF**: Ensures fair and random outcomes in the roulette game. - **Chainlink Automation**: Automates roulette spins, calculates winnings, and handles payouts. - **Chainlink CCIP**: Enables **cross-chain transfers** and communication across different blockchain networks. - **Chainlink Data Feeds**: Fetches the latest token prices for lending and UI display. - **Frontend**: Built using **Next.js**, **JavaScript**, **Tailwind CSS**. - **Smart Contracts**: Written in **Solidity** and **Cosmos Wasm**. - **Wallet Support**: Integrates with **MetaMask** and other EVM-compatible wallets.
How it's made
Challenges we ran into - Setting up the DeFi part also posed challenges, as we contemplated creating our own platform token. - **Integration of Multiple Chainlink Services:** Ensuring seamless integration of **Chainlink Functions, VRF, Automation, and Data Feeds** required careful planning and testing and understanding **Chainlink routers and supported chains** was initially difficult. - Time constraints did not allowed us for implementing gasless transactions but we prioritized delivering a functional and reliable platform. - **Cross-Chain Compatibility:** Deploying smart contracts across multiple chains and ensuring smooth interoperability was a complex task that demanded thorough testing and troubleshooting.