{
  "category": "consensus",
  "title": "NAC共识机制核心原则",
  "last_updated": "2026-02-07",
  "principles": [
    {
      "principle_id": "CONSENSUS_001",
      "title": "CBPP共识不需要投票机制",
      "description": "CBPP通过'参与即共识'机制，节点只需验证规则合规性，无需投票决定谁对谁错",
      "rationale": "将共识从节点协商转变为规则验证，实现真正的去中心化",
      "key_concepts": [
        {
          "concept": "参与即共识",
          "definition": "节点遵守规则的行为本身就是共识，无需额外投票",
          "importance": "critical"
        },
        {
          "concept": "规则服从 vs 协商共识",
          "definition": "CBPP是规则验证而非节点协商，这是与PoW/PoS/BFT的根本区别",
          "importance": "critical"
        },
        {
          "concept": "宪法收据（CR）",
          "definition": "交易的合法性证明，由CEE签发，节点只需验证CR有效性",
          "importance": "critical"
        }
      ],
      "must_do": [
        "所有交易必须有宪法收据（CR）才能上链",
        "节点只需验证CR的有效性（签名、宪法哈希、时间窗口）",
        "使用收据权重累计选择最佳链（分叉选择）",
        "任何遵守规则的节点都可以产生区块"
      ],
      "must_not_do": [
        "不要实现投票机制用于区块确认",
        "不要使用PoW/PoS/DPoS/BFT等传统共识算法",
        "不要混淆治理投票和共识机制",
        "不要让节点协商'谁对谁错'"
      ],
      "common_mistakes": [
        {
          "mistake": "认为CBPP需要投票机制",
          "correction": "CBPP通过规则验证实现共识，不需要投票",
          "problem_id": "P001"
        },
        {
          "mistake": "混淆治理投票和共识投票",
          "correction": "治理投票用于链上决策（如创建分片），共识机制用于区块确认，两者完全不同",
          "problem_id": "P001"
        }
      ],
      "related_docs": [
        "CBPP_WhitePaper_v1",
        "Constitutional_Blockchain_Design"
      ]
    },
    {
      "principle_id": "CONSENSUS_002",
      "title": "CBPP三大技术支柱",
      "description": "宪法收据（CR）、开放生产网络（OPN）、流体区块模型（FBM）",
      "key_concepts": [
        {
          "concept": "宪法收据（Constitutional Receipt, CR）",
          "definition": "交易的合法性证明，包含交易哈希、宪法哈希、执行结果哈希、CEE签名",
          "importance": "critical"
        },
        {
          "concept": "开放生产网络（Open Production Network, OPN）",
          "definition": "任何满足技术要求和身份验证的节点都可以成为区块生产者",
          "importance": "critical"
        },
        {
          "concept": "流体区块模型（Fluid Block Model, FBM）",
          "definition": "区块大小和生成频率由实时交易负载动态决定，无固定大小和间隔",
          "importance": "critical"
        }
      ],
      "must_do": [
        "实现宪法执行引擎（CEE）签发CR",
        "实现CR验证逻辑（签名、哈希、时效性）",
        "实现开放的CBP节点注册机制（DID+KYC）",
        "实现动态区块容量调整算法",
        "实现交易驱动的出块机制"
      ],
      "must_not_do": [
        "不要使用固定区块大小",
        "不要使用固定出块时间",
        "不要限制区块生产者数量（除了技术和身份要求）"
      ],
      "related_docs": [
        "CBPP_WhitePaper_v1"
      ]
    },
    {
      "principle_id": "CONSENSUS_003",
      "title": "分叉选择规则：收据权重累计",
      "description": "当出现临时分叉时，选择收据权重累计值最高的链",
      "key_concepts": [
        {
          "concept": "收据权重",
          "definition": "每个CR有一个基础权重，可根据交易类型、手续费等加权",
          "importance": "high"
        },
        {
          "concept": "权重累计",
          "definition": "从创世块到区块头，累计路径上所有区块内CR的权重之和",
          "importance": "high"
        }
      ],
      "must_do": [
        "计算每个CR的权重",
        "累计链上所有CR的权重",
        "选择权重最高的链作为主链"
      ],
      "must_not_do": [
        "不要使用算力对比（不是PoW）",
        "不要使用权益对比（不是PoS）",
        "不要使用投票机制（不是BFT）"
      ],
      "related_docs": [
        "CBPP_WhitePaper_v1"
      ]
    }
  ]
}