The Future of Fair Lottery Systems !!! Doro integrates ElGamal homomorphic encryption with zk technology, forging a new path in lottery systems. Each participant contributes their own encrypted random number, which is then multiplied with a blockchain-based number. This process, underpinned by the security of ElGamal encryption, ensures a high degree of randomness and unpredictability in the draw sequence. Doro isn't just a lottery platform; it's a testament to how cryptographic innovation can create a more equitable and participative digital experience. It's where technology meets fairness in the pursuit of a truly random and secure lottery system.
The Future of Fair Lottery Systems
Secure and Participative: Doro revolutionizes lottery systems with advanced cryptographic technology. At its core is the ElGamal homomorphic encryption algorithm, ensuring absolute security and fairness.
How It Works: Each participant's entry is encrypted using ElGamal, a homomorphic encryption method. This encrypted data is then multiplied with a number on the blockchain. This unique process introduces a high level of randomness, making the lottery outcomes truly unpredictable.
Fairness and Transparency: Prior to the draw, no one knows the sequence of entries, guaranteeing a level playing field for all participants. Doro's use of Zero-Knowledge Proofs (ZKPs) alongside homomorphic encryption further enhances fairness and transparency, allowing for verifiable draws without compromising individual privacy.
User Engagement: Our system not only ensures fair play but also increases user engagement. Participants can trust the process, knowing their chances are as random and secure as the technology behind it.
Conclusion: Doro is more than a lottery system; it's a testament to how cryptography can transform user experience and trust in digital platforms. Join us in embracing a new era of fair, secure, and engaging lottery systems.
Mina Protocal
: Berkeley Contracto1js-elgamal
: for encrypt random valuereact native
: build hybrid mobile applicationexpress
: mobile interact with chainDoro is a monorepo managed using turbo. You can find the source code for each package in the
apps
andpackages
directory.
apps/backend
packages/contract
sequenceDiagram actor A as Admin actor U as User participant C as O1js-Contract participant E as O1js-elgamal participant M as Mina %% Compile A ->> C: Compile Mental Contract C ->> M: Deploy Contract %% Contract A ->> E: Create Public Key and Secret E ->> C: Store Public Key on chain C ->> M: Prove and Write Data %% Shuffle C ->> U: Get Public Key U ->> E: Encrypt Secret Value U ->> C: Shuffle and change the random value %% Reveal A ->> C: Decrypt with secret C -->> A: Get Decrypt random value and choose the ans from public set