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Viction is a high-performance blockchain designed to address Ethereum’s scalability challenges while maintaining full EVM compatibility. The architecture is built around a robust masternode system and an innovative consensus mechanism.

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Core Components

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Blockchain Layer

Viction’s blockchain layer is based on a modified Ethereum architecture that includes:
  • EVM-Compatible Execution Environment: Full support for Ethereum smart contracts, protocols, and tools
  • State Management: Enhanced state database with optimized storage for trading and lending states
  • Transaction Processing: High-throughput transaction execution with 2-second block times
  • P2P Network: Robust peer-to-peer networking layer for node communication

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Masternode Network

The masternode network forms the backbone of Viction’s infrastructure:
  • 150 Masternodes: Fixed set of validator nodes that secure the network
  • Staking Mechanism: Masternodes stake VIC tokens via smart contracts
  • Randomization Process: True randomization for masternode selection
  • Double Validation: Paired validation system (M1-M2) for enhanced security
Masternodes are selected through a decentralized voting process where VIC token holders can vote for their preferred validators.

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Consensus Engine

Viction uses Proof of Stake Voting (PoSV) consensus, which combines:
  • Block Production: Masternodes take turns producing blocks in a deterministic order
  • Validation: Each block is validated by an assigned validator masternode
  • Finality: Fast finality through double validation and checkpoint blocks
  • Penalties: Automated penalty system for misbehaving masternodes

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Network Topology

┌─────────────────────────────────────────────────┐
│              Application Layer                  │
│  (dApps, Wallets, Smart Contracts)             │
└────────────────┬────────────────────────────────┘
                 │
┌────────────────┴────────────────────────────────┐
│              RPC/API Layer                      │
│  (JSON-RPC, WebSocket, GraphQL)                │
└────────────────┬────────────────────────────────┘
                 │
┌────────────────┴────────────────────────────────┐
│           Viction Node Layer                    │
│  • Transaction Pool                             │
│  • Block Builder                                │
│  • State Management                             │
└────────────────┬────────────────────────────────┘
                 │
┌────────────────┴────────────────────────────────┐
│           Consensus Layer (PoSV)                │
│  • Masternode Selection                         │
│  • Block Validation                             │
│  • Double Validation                            │
└────────────────┬────────────────────────────────┘
                 │
┌────────────────┴────────────────────────────────┐
│              P2P Network Layer                  │
│  • Node Discovery                               │
│  • Block Propagation                            │
│  • Transaction Broadcasting                     │
└─────────────────────────────────────────────────┘

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Key Features

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High Performance

  • 2-Second Block Time: Configured via Period parameter (2 seconds between blocks)
  • Near-Zero Fees: Optimized gas pricing for minimal transaction costs
  • High Throughput: Capable of processing thousands of transactions per second

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Security Mechanisms

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Double Validation

Every block requires validation from two masternodes:
  1. Creator (M1): Proposes and signs the block
  2. Validator (M2): Validates and co-signs the block
This mechanism prevents single-point-of-failure and ensures block integrity.
Blocks without proper validator signatures (after epoch 2) are rejected by the network.

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Penalty System

Masternodes that fail to perform their duties are automatically penalized:
  • Penalty Epochs: Penalized masternodes are excluded for up to 4 epochs
  • Automatic Detection: The system tracks block signing performance
  • Checkpoint Recording: Penalties are recorded in checkpoint block headers

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Checkpoint Blocks

Every 900 blocks (one epoch), a special checkpoint block is created:
  • Masternode List: Contains the current set of authorized masternodes
  • Validator Mapping: Stores M1-M2 validator pairs
  • Penalty Information: Records penalized masternodes
  • Reward Distribution: Triggers reward calculation and distribution

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Storage Architecture

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State Databases

Viction maintains multiple state databases:
  • Main State: Standard Ethereum state trie for accounts and contracts
  • Trading State: Specialized state for TomoX DEX operations
  • Lending State: Dedicated state for TomoXLending protocol

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Data Management

  • LRU Caches: In-memory caches for recent blocks, signatures, and snapshots
  • Database Backend: LevelDB for persistent storage
  • Snapshot System: Periodic snapshots at checkpoint blocks for fast sync
Archive nodes with --gcmode archive retain full historical state data for complete blockchain history.

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Scalability Solutions

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Current Optimizations

  • Gas Limit: 84,000,000 gas per block (defined in TomoGenesisGasLimit)
  • Efficient State Management: Optimized state database with caching
  • Fast Sync: Snapshot-based synchronization

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Future Enhancements

The Viction architecture is designed to support:
  • Sharding: Horizontal scaling through shard chains
  • Private Chains: Application-specific sidechains
  • Hardware Integration: Optimized execution on specialized hardware

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Network Participation

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Node Types

  1. Masternode: Full validator node participating in consensus
  2. Full Node: Maintains complete blockchain state and validates transactions
  3. Light Node: Syncs block headers only for lightweight verification
  4. Archive Node: Stores complete historical state for all blocks

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Hardware Requirements

For optimal performance, nodes should meet:
  • CPU: 4+ cores
  • RAM: 16GB+ for full nodes, 64GB+ for masternodes
  • Storage: 500GB+ SSD (archive nodes require 1TB+)
  • Network: 100Mbps+ connection with low latency

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