{
 "symbol": "ENA", "name": "Ethena", "review_date": "2026-10-08",
 "reviewer": "AI", "model_id": "claude-fable-5-1", "logic_version": "value_v1", "prompt_sha256": "58434c62f807c2035cf603f7f93e6e22db880e9f4172968767efef7d1f326065",
 "audit": true,
 "one_sentence_zh": "Ethena 发行合成美元 USDe，用现货抵押+永续空头的基差收益（由交易所多头方通过资金费率支付）产生利息，分给 sUSDe 持有人、合作方并留存协议收入；ENA 是治理代币，费用开关已通过但尚未触发。",
 "one_sentence_en": "Ethena issues the synthetic dollar USDe, earning basis/funding yield (paid by perp longs on exchanges) that flows to sUSDe stakers, partners and protocol reserves; ENA is the governance token whose fee switch is approved but not yet triggered.",
 "red_lines": {
   "R1": {"hit": false, "note": "收入可核实：DefiLlama 30 日费用 $18.3M；治理帖记录累计协议收入 $453M（2025-09）；OAK 研究 531 天总收益约 $368M。", "sources": ["https://gov.ethenafoundation.com/search.json?q=fee%20switch", "https://gov.ethenafoundation.com/t/770", "https://api.llama.fi/protocol/ethena-usde"]},
   "R2": {"hit": false, "note": "回购尚未执行；设计上来源是各业务线 95% 净收入，非国库卖币/增发。", "sources": ["https://gov.ethenafoundation.com/t/ena-fee-switch-activation/830"]},
   "R3": {"hit": false, "unlock_12m_frac_of_circ": 0.154, "note": "核心贡献者 30%（投资人比例文档未给出，按 25% 估）自 2025-03 悬崖后 36 个月线性：每月 ≈ (4.5B+3.75B)×0.75/36 ≈ 172M，12 个月 ≈ 2.06B；CoinGecko 流通 13.41B ⇒ ≈15%。注意 CoinGecko 流通口径似已含部分锁仓（总量 15B 仅余 1.59B 未流通），实际比例可能更低。", "sources": ["https://docs.ethena.fi/overview/ena/tokenomics.md", "https://api.coingecko.com/api/v3/coins/ethena?localization=false&tickers=false&community_data=true&developer_data=false"]},
   "R4": {"hit": false, "note": "ENA 有治理权（Snapshot 投票、风险委员会选举）与已批准的未来回购权利。", "sources": ["https://gov.ethenafoundation.com/t/ena-fee-switch-activation/830", "https://gov.ethenafoundation.com/latest.json"]},
   "R5": {"hit": false, "note": "一句话说得清。", "sources": ["https://ethena.fi/"]},
   "R6": {"hit": false, "note": "未发现被盗未赔付/强制下架/跑路；治理与风险委员会持续运作。", "sources": ["https://gov.ethenafoundation.com/latest.json"]}
 },
 "A_judge": {"mechanism_executing": false, "mechanism_desc": "费用开关于 2024-11 通过框架、2025-09 达成技术门槛但未实施；2026-08-27 新提案（2026-09-08 Snapshot 通过）改为按 USDe 供应里程碑触发：$7.5B 起 5%、$10B 10%、$15B 15%、$20B 20% 投入 ENA 回购。提案时 USDe 供应 $4.07B，未达首个门槛，故回购尚未执行。DefiLlama 持币人收入 0 与此一致。", "sources": ["https://gov.ethenafoundation.com/t/ena-fee-switch-activation/830", "https://gov.ethenafoundation.com/t/770", "https://api.llama.fi/protocol/ethena-usde"]},
 "B": {
   "one_sentence": {"score": 2.0, "evidence": "产品（USDe/sUSDe/USDtb）、付费方（永续多头的资金费率）、原因（对冲需求）均清楚；但 ENA 本身的现金流仍是'未来式'。", "sources": ["https://ethena.fi/", "https://gov.ethenafoundation.com/t/ena-fee-switch-activation/830"]},
   "moat": {"score": 1.0, "evidence": "CEX 集成（Binance、Bybit、Coinbase、Robinhood）与 Aave 等 DeFi 集成形成分发优势；但 USDe 供应从 2025-09 的 $12.1B 降至 2026-08 的 $4.07B，护城河在变窄（基差收益压缩时无差异化）。", "sources": ["https://ethena.fi/", "https://gov.ethenafoundation.com/search.json?q=fee%20switch", "https://gov.ethenafoundation.com/t/ena-fee-switch-activation/830"]},
   "ten_years": {"score": 1.0, "evidence": "基差交易产品化有真实需求，但高度依赖永续市场资金费率周期；OAK 指出收益利差压缩时回购仅相当于日交易量 0.1%。若没有它，行业不会倒退。", "sources": ["https://gov.ethenafoundation.com/t/770"]},
   "people_governance": {"score": 1.0, "evidence": "治理活跃（风险委员会定期改选、Blockworks/OAK/Kairos 等外部研究参与）；但费用开关自 2024-11 承诺以来两年未兑现，且 Blockworks 估算回购仅能抵消约 10% 的计划解锁。", "sources": ["https://gov.ethenafoundation.com/t/ena-fee-switch-activation/830", "https://gov.ethenafoundation.com/latest.json"]}
 },
 "C_judge": {
   "users_growth": {"score": 0.0, "evidence": "无 90 天活跃地址数据；可得代理指标 USDe 供应由 $12.1B（2025-09）降至 $4.07B（2026-08），为收缩。", "sources": ["https://gov.ethenafoundation.com/search.json?q=fee%20switch", "https://gov.ethenafoundation.com/t/ena-fee-switch-activation/830"]},
   "utility": {"score": 0.5, "evidence": "使用 USDe 不需要持有 ENA；ENA 仅治理与未来回购受益，需求弱。", "sources": ["https://docs.ethena.fi/overview/ena/tokenomics.md"]},
   "culture": {"score": 0.5, "evidence": "有 Ethena Pay 移动应用与多家 CEX 分发，但无社区/下载增速数据。", "sources": ["https://ethena.fi/"]},
   "web3_direction": {"score": 0.5, "evidence": "合成美元/链上收益是稳定币赛道方向之一，但依赖中心化交易所对冲。", "sources": ["https://ethena.fi/"]}
 },
 "confidence": "medium",
 "notes": "关键更正：筛选器 '持币人收入 30d = 0' 是对的——费用开关虽于 2026-09-08 通过但按 USDe 供应里程碑触发，当前供应 ($4.07B) 未达 $7.5B 首档，回购尚未发生；不应把'治理已通过'记为'机制在执行'。R3 的投资人比例（25%）为常见披露值但本次文档未直接验证。"
}