Cryptocurrency Lottery System Development

I require a skilled developer to create a comprehensive lottery system integrated with a crypto wallet. The system will encompass all aspects of a traditional lottery, from ticket purchasing to winner declaration. The system will also need to include a history of past winners that can be viewed by anyone.

Key Features:
- Random number generation: The system will need to generate random numbers for the lottery draws.
- Online ticket purchasing: The system should provide a seamless online ticket purchasing process for participants.
- Winner declaration: Once the draw is complete, the system should automatically declare the winner.

Cryptocurrency Wallet Integration:
- The system should support USDT TRC20 for all transactions.

Skills and Experience:
- Proven experience in developing lottery systems.
- Proficiency in integrating cryptocurrency wallets into systems.
- Strong understanding of random number generation algorithms.
- Ability to design a user-friendly online ticket purchasing process.
- Familiarity with creating transparent winner declaration processes.

Please include examples of similar projects you have worked on in your bid.