# Smart Contracts & Tech Stacks

1. **Solidity**
2. **Architecture Features**
   1. Cashback
   2. Rewards
   3. Governance
   4. Affiliate
   5. Deflationary
3. **Decentralized Apps & Services**
   1. React
   2. Solidity
   3. Javascript
   4. EVM - Multi Coin Wallet
      1. Dekaha DeFi Business (Enterprise Wallet)
      2. Key Technologies:
         1. Multi-business setup
         2. Multi-Role permissions control access & security
         3. Generate Exact Payment Request
         4. Blockchain data feeds business analytics
         5. Immutable Transaction Records
         6. Secured Withdrawal Layers
         7. Transferable Contract/Business Ownership
         8. Self-custody infrastructure
         9. Simple API integration on website's payment settlement
      3. API of wallet
         1. Fiat <> Cryptocurrency
            1. Global on & off ramp
               1. Transak
               2. Ramp
               3. VASP Licensed Exchange


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