{
 "symbol": "ENA", "name": "Ethena", "review_date": "2026-10-08",
 "reviewer": "AI", "model_id": "claude-fable-5-1", "logic_version": "value_v1", "prompt_sha256": "58434c62f807c2035cf603f7f93e6e22db880e9f4172968767efef7d1f326065",
 "one_sentence_zh": "Ethena 发行合成美元 USDe（现货+空头永续的基差套利），收益主要付给 sUSDe 持有人；ENA 是治理币，已投票通过在 USDe 供应达 $75 亿后把 95% 净收入用于回购 ENA，目前尚未触发。",
 "one_sentence_en": "Ethena issues the synthetic dollar USDe (spot + short-perp basis trade); yield goes mainly to sUSDe holders. ENA is the governance token; a passed vote routes 95% of net revenue to ENA buybacks once USDe supply reaches $7.5B, which has not yet happened.",
 "red_lines": {
   "R1": {"hit": false, "note": "USDe 收益来自链上/交易所对冲头寸的资金费，票池 DefiLlama 口径 30 天费用 $18.3M、协议收入 $17.8K。第三方报道 Ethena Labs 累计收入 $500M。未发现刷量证据。", "sources": ["https://forklog.com/en/ethena-proposes-allocating-100-of-revenue-to-ena-buyback/", "https://cryptobriefing.com/ethena-ena-buyback-usde-supply-growth/"]},
   "R2": {"hit": false, "note": "回购尚未执行。已完成的是基金会 OTC 从 14 名卖过币的种子投资人手中买回未归属代币，条款（数量/价格/总价）未披露，资金来源不明——这不是'经营收入回购'，但也不属于国库卖币或增发，保守判不命中并在 notes 标注。", "sources": ["https://tokenomist.ai/research/ethena-bought-out-its-sellers-and-deleted-the-investor-unlock-calendar-the-buyback-replacing-it-arms-at-7-5b-usde", "https://www.kucoin.com/blog/ethena-ena-tokenomics-buyback-vc-unlocks"]},
   "R3": {"hit": false, "unlock_12m_frac_of_circ": 0.16, "note": "投资人月度解锁已改为 2026-10-05 一次性释放约 1.41B ENA（在本次评审日之前，已入流通）。未来 12 个月仍在表上的是团队（~1.12B，至 2028-03）+ 基金会（~731M，至 2028-04），合计每月 134.4M ⇒ 12 个月 ≈ 1.61B；流通 9.83B ⇒ ≈ 0.16（若分母含 10-05 释放的 1.41B 则 ≈ 0.14）。生态开发 ~1.09B 无公布日期，未计入。", "sources": ["https://tokenomist.ai/research/ethena-bought-out-its-sellers-and-deleted-the-investor-unlock-calendar-the-buyback-replacing-it-arms-at-7-5b-usde", "https://www.theblock.co/news/ecosystems/2024-08-27-ethena-foundation-proposes-fee-switch-ena-token-buybacks-other-updates-412951"]},
   "R4": {"hit": false, "note": "ENA 有治理权（本次 fee switch 即由 ENA 投票通过，17.79M 票赞成），并有已通过但未触发的回购经济权。", "sources": ["https://www.kucoin.com/news/flash/ethena-fee-switch-ena-buyback-to-start-when-usde-circulating-supply-hits-7-5-billion"]},
   "R5": {"hit": false, "note": "一句话可说清。", "sources": ["https://cryptobriefing.com/ethena-ena-buyback-usde-supply-growth/"]},
   "R6": {"hit": false, "note": "本次检索未发现被盗未赔付、强制下架或团队跑路证据。", "sources": ["https://cryptobriefing.com/ethena-ena-buyback-usde-supply-growth/"]}
 },
 "A_judge": {"mechanism_executing": false, "mechanism_desc": "Fee switch 提案 2026-09-02 以 17.79M 票赞成、0 反对通过，但回购只在 USDe 14 日均流通量达 $7.5B 后启动（分档 5%/10%/15%/20%）；截至 8 月底/9 月初 USDe 仅 $4.07B~$4.22B，需再增长 ~78%。因此持币人收入机制尚未执行。sENA 奖励方案仍待单独提案。", "sources": ["https://www.kucoin.com/news/flash/ethena-fee-switch-ena-buyback-to-start-when-usde-circulating-supply-hits-7-5-billion", "https://cryptobriefing.com/ethena-ena-buyback-usde-supply-growth/", "https://tokenomist.ai/research/ethena-bought-out-its-sellers-and-deleted-the-investor-unlock-calendar-the-buyback-replacing-it-arms-at-7-5b-usde"]},
 "B": {
   "one_sentence": {"score": 2.5, "evidence": "基差套利合成美元，收益来自资金费，付费方是空头永续的对手盘/杠杆多头，逻辑清楚。", "sources": ["https://cryptobriefing.com/ethena-ena-buyback-usde-supply-growth/"]},
   "moat": {"score": 1.0, "evidence": "基差策略可复制，收益随资金费波动；USDe 供应在 2025-08 达前三稳定币后三个月内跌超 50%，现 ~$4B，说明护城河在变窄；优势主要是交易所集成与品牌先发。", "sources": ["https://forklog.com/en/ethena-proposes-allocating-100-of-revenue-to-ena-buyback/", "https://cryptobriefing.com/ethena-ena-buyback-usde-supply-growth/"]},
   "ten_years": {"score": 1.0, "evidence": "商业模式强依赖永续资金费为正；资金费塌缩时回购与收益同时萎缩（报道明确列为关键风险）。有白标稳定币与 Ethena [X] 等新业务线，但未验证。", "sources": ["https://cryptobriefing.com/ethena-ena-buyback-usde-supply-growth/", "https://forklog.com/en/ethena-proposes-allocating-100-of-revenue-to-ena-buyback/"]},
   "people_governance": {"score": 1.0, "evidence": "正面：终止投资人月度解锁、买回卖币投资人的筹码、IP 转给基金会；负面：14 名投资人曾持续卖币，买回条款完全未披露，投票 88 个地址即过（集中度高）。", "sources": ["https://tokenomist.ai/research/ethena-bought-out-its-sellers-and-deleted-the-investor-unlock-calendar-the-buyback-replacing-it-arms-at-7-5b-usde", "https://www.kucoin.com/blog/ethena-ena-tokenomics-buyback-vc-unlocks"]}
 },
 "C_judge": {
   "users_growth": {"score": 0, "evidence": "未找到活跃地址数据；最接近的代理是 USDe 供应量：2025-08 峰值后三个月内跌超 50%，当前 $4.0~4.2B，为负增长，给 0。", "sources": ["https://forklog.com/en/ethena-proposes-allocating-100-of-revenue-to-ena-buyback/", "https://cryptobriefing.com/ethena-ena-buyback-usde-supply-growth/"]},
   "utility": {"score": 0.5, "evidence": "ENA 只用于治理与（未来）回购受益，使用 USDe/sUSDe 不需要持有 ENA。", "sources": ["https://www.theblock.co/news/ecosystems/2024-08-27-ethena-foundation-proposes-fee-switch-ena-token-buybacks-other-updates-412951"]},
   "culture": {"score": 0, "evidence": "未找到证据。", "sources": []},
   "web3_direction": {"score": 0.5, "evidence": "链上合成美元是真实需求方向，但对中心化交易所对冲的依赖使其只部分代表 web3。", "sources": ["https://cryptobriefing.com/ethena-ena-buyback-usde-supply-growth/"]}
 },
 "confidence": "medium",
 "notes": "DefiLlama 持币人收入 0 与实情一致：回购已投票通过但门槛（USDe $7.5B）未达，机制未执行。投资人 10-05 一次性解锁 1.41B 已落地，不计入未来 12 个月；团队+基金会 12 个月约 16% 流通量，低于 R3 线。tokenomist.ai/ena 与 cryptorank 解锁页本次打不开，解锁数字取自 tokenomist 研究文与 KuCoin 博客。"
}