> For the complete documentation index, see [llms.txt](https://decores.gitbook.io/decores/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://decores.gitbook.io/decores/platform-architecture/blockchain-layer.md).

# Blockchain Layer

The Blockchain Layer of DeCores is built on the Ethereum network, leveraging its robust, decentralized infrastructure to ensure transparent, secure, and efficient transactions within our cloud computing ecosystem.

### Key Features

1. **Ethereum Integration**:
   * Utilizes Ethereum's Proof-of-Stake (PoS) consensus mechanism.
   * Leverages Ethereum's security and decentralization.
   * Benefits from Ethereum's extensive developer ecosystem and tools.
2. **Layer 2 Scaling Solution**:
   * Implements Optimistic Rollups or ZK-Rollups for enhanced scalability.
   * Enables faster transactions and reduced gas fees.
   * Maintains security guarantees of the Ethereum mainnet.
3. **Cross-Chain Interoperability**:
   * Utilizes bridges to connect with other Ethereum-compatible networks.
   * Enables asset transfers and expanded utility of the DCR token.
4. **Smart Contract Support**:
   * Leverages Ethereum's robust smart contract capabilities.
   * Supports Solidity for smart contract development.
   * Utilizes established Ethereum development frameworks (e.g., Truffle, Hardhat).
5. **Decentralized Identity Integration**:
   * Implements ERC-725 for self-sovereign identity solutions.
   * Enhances privacy and security in resource allocation and access control.

### Blockchain Architecture

1. **Ethereum Mainnet**:
   * Serves as the base layer for security and decentralization.
   * Handles critical operations and final settlement.
2. **Layer 2 Solution**:
   * Manages most day-to-day transactions and smart contract interactions.
   * Periodically commits state to the Ethereum mainnet.
3. **Bridges and Protocols**:
   * Facilitates communication with other blockchain networks.
   * Implements atomic swap capabilities for cross-chain asset transfers.

### Security Measures

1. **Ethereum's Native Security**:
   * Benefits from Ethereum's robust consensus mechanism and large validator network.
   * Leverages Ethereum's battle-tested security measures.
2. **Smart Contract Audits**:
   * Regular third-party audits of all deployed smart contracts.
   * Utilizes formal verification tools designed for Ethereum smart contracts.

### Governance and Upgradability

1. **On-Chain Governance**:
   * Implements a DAO structure for platform governance.
   * Utilizes Ethereum's voting mechanisms for protocol upgrades and parameter changes.
2. **Upgradeable Contracts**:
   * Implements proxy patterns for upgradable smart contracts.
   * Follows OpenZeppelin's upgradeable contract standards.

By leveraging Ethereum's established infrastructure and combining it with layer 2 scaling solutions, DeCores creates a secure, scalable, and interoperable blockchain layer that forms the foundation of our decentralized cloud computing platform.