A Web3 startup building a comprehensive gaming ecosystem with native token economy
A Web3 startup needed a complete gaming ecosystem that combines board-style PVP games with stakes, a native liquid token, smart contract-based crypto lottery and bingo, fully transparent randomness generation, and simple UX for traditional Web2 users. The vision was to create a platform accessible to mainstream gamers while leveraging blockchain technology for transparency and fairness.
Industry
Web3
Location
Europe
Timeline
7 months
Objective
Merging Web2 simplicity and Web3 transparency
The client wanted to launch a unified platform combining traditional gaming accessibility with blockchain's transparency and fairness, but faced significant architectural and UX challenges.
Core challenges
Dual-mode architecture: Combine CEX and DEX modes in one product while maintaining simplicity for regular users who don't understand crypto.
Complex token economics: Create a liquid token with exchange rate mechanisms between modes, internal custodial wallets in DEX mode, centralized balances in CEX, and price arbitrage management.
PVP games with stakes: Implement multiplayer games with betting, some requiring smart contracts for transparency, others using centralized logic for speed.
Transparent randomness: Ensure fully verifiable random generation for games requiring chance-based mechanics.
Cashback to lottery system: Create a cashback system from centralized games that feeds into crypto lottery participation.
Decentralized lottery: Develop a crypto lottery with multiple draw periods (weekly, monthly, quarterly, yearly) all running simultaneously.
Performance and scalability: Ensure stability, scalability, and high-speed lobby performance while handling real-time multiplayer gameplay.
The goal
Build a modular Web3 gaming platform that feels familiar to Web2 users but leverages blockchain for transparency, includes multiple PVP games with stakes, features a comprehensive crypto lottery system, and supports both centralized and decentralized interaction modes.

Decentralized Mode (DEX)

True Web3 gaming experience

We built a complete decentralized infrastructure for users who want full blockchain transparency and control.

Custodial wallet system
  • Automatic generation of custodial crypto wallet for each user
  • Deposits through any Web3 provider (MetaMask, Trust Wallet, etc.)
  • Interaction with smart contract-based games
  • Token withdrawal to external wallets
  • Complete transaction transparency on blockchain
Decentralized games
  • Games run on smart contracts with guaranteed randomness
  • Verifiable fairness through blockchain
  • Direct token staking and payouts
  • No centralized intervention possible

Centralized Mode (CEX)

Web2 simplicity with Web3 benefits

For users unfamiliar with crypto, we created a familiar centralized experience that still connects to the token economy.

Easy onboarding
  • Deposits via fiat and cryptocurrency
  • Automatic stable token purchase at CEX rate
  • Internal gameplay without actual token transfers
  • Built-in centralized exchange functionality for Web2/Web3 user interaction
Cashback system
  • Earn cashback from centralized game participation
  • Use cashback balance to purchase lottery tickets
  • Bridge between casual gaming and crypto lottery

Decentralized Crypto Lottery

Transparent blockchain lottery with multiple time periods

We developed a comprehensive lottery system running entirely on smart contracts.

Supported lottery types
  • Weekly draws
  • Monthly draws
  • Quarterly draws
  • Annual draws
Classic mechanics
  • "6 out of 49" lottery format
  • Ticket purchasing system
  • Ticket accumulation from cashback balance
  • Winning number generation via Chainlink VRF
Prize distribution
  • Jackpot distribution among winners matching 3+ numbers
  • Rollover mechanism when no winners
  • Open access to contract addresses for verification
  • Complete history of all draws
Transparency
  • All draws verifiable on blockchain
  • Smart contract addresses publicly accessible
  • Historical data permanently stored
  • No possibility of manipulation

PVP Games Suite

6 competitive games with opponent screen display

We developed a complete suite of multiplayer games, each with unique mechanics and opponent visualization where necessary.

Games developed
  • Battleship: Classic naval combat with hidden ship placement and strategic targeting
  • Tetris: Competitive block-stacking with opponent board visualization
  • Rock-Paper-Scissors: Quick-play decision game with stake betting
  • Ping Pong: Real-time paddle game with physics-based gameplay
  • Snake: Classic growth game adapted for competitive play
  • Bingo: Smart contract-based bingo with room system
Universal game features
  • Lobby system for matchmaking
  • Flexible game settings
  • Customizable stake amounts
  • Fair outcome processing
  • Anti-cheat matchmaking system
  • Player statistics tracking

Architecture & Token Economics

Platform architecture
  • Separated CEX and DEX module design
  • Token economics: liquidity, distribution, fees, lottery cashback
  • UX logic allowing full platform use for both Web3 and Web2 users
Web3 integration
  • Liquid token based on TRON blockchain + internal stable token link
  • Custodial wallet operations, deposits, withdrawals, internal transactions
  • Smart contracts for all lottery types, token, and Bingo game
  • Chainlink VRF integration for game result randomization

Lottery Module Details

Backend
  • Lottery smart contracts
  • Jackpot formation mechanics
  • Winner determination algorithm
  • Prize distribution system
  • Rollover functionality for prize pool transfer
Frontend
  • Interactive banner with visual appeal
  • Timers to upcoming draws
  • Current jackpot display
  • Draw history browser
  • Ticket purchase interface
  • Contract addresses display
  • Progress bar "until next free ticket"

Admin Panel

Complete platform control

Comprehensive management system for platform operations.

Admin capabilities
  • Player management
  • Lobby control
  • Statistics and analytics
  • Token monitoring
  • Fee management
  • Content updates
  • Lottery and game monitoring
Technologies used
Backend

Node.js, TypeScript

Frontend

Next.js/React

Mobile Games

Flutter

Game Servers

Nakama

Web3

Solidity, Chainlink VRF

Real-time

WebSockets

Infrastructure

Docker

What we delivered
Modular Web3 gaming platform
Complete ecosystem supporting both CEX and DEX modes, allowing users to choose their preferred interaction method.
Fully transparent crypto lottery and Bingo
Smart contract-based games with verifiable randomness and publicly accessible contract addresses ensuring complete transparency.
6 PVP games with stakes
Complete suite of competitive games, each with unique mechanics, opponent visualization, and fair matchmaking systems.
Reliable smart contract architecture
Battle-tested contracts handling token economy, lottery mechanics, and game logic with security as top priority.
Web2-friendly Web3 platform
Platform understandable to traditional users while built on blockchain technology, lowering entry barriers to crypto gaming.
Built for scale
Architecture supports adding new games and stake configurations without fundamental changes.
Integration-ready games
All games created with the ability to integrate into other gaming platforms, maximizing their utility.
Technical achievements
Dual-mode economy
  • Seamless CEX/DEX interaction in single ecosystem
  • Automatic rate management between modes
  • Cashback bridge connecting casual and crypto gaming
Blockchain transparency
  • All critical operations verifiable on-chain
  • Provably fair randomness via Chainlink VRF
  • Public contract addresses for community verification
Performance optimization
  • High-speed lobby handling concurrent players
  • Real-time multiplayer without lag
  • Scalable architecture supporting growth
Result
Playroom transformed from concept to a comprehensive Web3 gaming platform that doesn't compromise on user experience. By supporting both centralized and decentralized modes, the platform welcomes traditional gamers while offering blockchain enthusiasts the transparency they value. The multi-period lottery system, diverse PVP games, and flexible token economy create an engaging ecosystem ready to scale with the Web3 gaming market.
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