{
  "version": 1,
  "event_id": "evt_1a7a870b71fac45e",
  "url": "https://xiyu.news/events/evt_1a7a870b71fac45e/",
  "json": "https://xiyu.news/api/events/evt_1a7a870b71fac45e.json",
  "type": "market_structure",
  "status": "monitoring",
  "category": "crypto",
  "title": {
    "zh": "调查称Solana验证者每月以4000美元出售私有订单流供抢跑",
    "en": "Quants are paying $4,000 a month to front-run Solana trades"
  },
  "current_state": {
    "zh": "Corvus Labs研究员Andrei Vacariu发布调查，指控由前Grayscale创始总经理David Kinitsky领导的Solana验证者组织Everstake，以每月4000美元的价格向量化交易者出售待处理交易的实时私有数据流，入门级访问价格低至每月10 SOL（约1000美元）。Vacariu通过一个收入分成钱包追踪资金流向，涉及Staking Facilities（据称自7月以来超过950 SOL）、Prostaking（超过200 SOL）、RockawayX和Stake.org，并称Everstake的销售人员正在招募更多验证者节点运营方加入该安排。\n\n该指控直指Solana这一最大智能合约网络之一的市场结构完整性，暗示其MEV提取已被私有化为付费俱乐部，而非因无公共内存池的设计被消除。若指控属实，Solana上的普通DeFi交易者将系统性暴露于抢跑和三明治攻击之下且无法退出，而质押委托者可能在不知情的情况下支持了将自身订单流变现的验证者。\n\nSolana没有公共内存池，因此大多数交易直接发送给被安排出下一个区块的验证者；据称付费客户可以运行Everstake的软件，在区块生成前镜像流入的交易流量，并在散户订单前后插入自己的交易。Everstake是Solana较大的验证者之一，约有740万SOL委托给它，并且是由39个验证者组成、合计质押超过5000万SOL的联合体；它否认鼓励抢跑或三明治攻击，称其使用专门的过滤机制来防止此类活动。该服务被描述为通过名为Blockspace的产品转售一种机构级的“按质押权重服务质量”层级，面向质押超过15000 SOL的验证者。",
    "en": "An investigation alleges that Solana validators, including Everstake, sell $4,000/month private feeds of pending transactions to quants who use them to front-run and sandwich-attack ordinary DeFi traders."
  },
  "first_seen_at": "2026-09-16T23:08:44.635664+00:00",
  "last_updated_at": "2026-09-16T23:08:44.635664+00:00",
  "last_material_change_at": "2026-09-16T23:08:44.635664+00:00",
  "confidence": 0.75,
  "updates_count": 1,
  "sources_count": 1,
  "entities": [
    "quants",
    "solana"
  ],
  "identifiers": [],
  "topics": [
    "mev",
    "solana",
    "validators"
  ],
  "updates": [
    {
      "update_id": "upd_b073a6c9de67a794",
      "event_id": "evt_1a7a870b71fac45e",
      "occurred_at": "2026-09-16T18:52:03Z",
      "published_at": "2026-09-16T18:52:03Z",
      "first_seen_at": "2026-09-16T23:08:44.635664Z",
      "time_precision": "published",
      "update_type": "initial",
      "material_change": true,
      "title_zh": "调查称Solana验证者每月以4000美元出售私有订单流供抢跑",
      "title_en": "Quants are paying $4,000 a month to front-run Solana trades",
      "what_changed_zh": "Corvus Labs研究员Andrei Vacariu发布调查，指控由前Grayscale创始总经理David Kinitsky领导的Solana验证者组织Everstake，以每月4000美元的价格向量化交易者出售待处理交易的实时私有数据流，入门级访问价格低至每月10 SOL（约1000美元）。Vacariu通过一个收入分成钱包追踪资金流向，涉及Staking Facilities（据称自7月以来超过950 SOL）、Prostaking（超过200 SOL）、RockawayX和Stake.org，并称Everstake的销售人员正在招募更多验证者节点运营方加入该安排。\n\n该指控直指Solana这一最大智能合约网络之一的市场结构完整性，暗示其MEV提取已被私有化为付费俱乐部，而非因无公共内存池的设计被消除。若指控属实，Solana上的普通DeFi交易者将系统性暴露于抢跑和三明治攻击之下且无法退出，而质押委托者可能在不知情的情况下支持了将自身订单流变现的验证者。\n\nSolana没有公共内存池，因此大多数交易直接发送给被安排出下一个区块的验证者；据称付费客户可以运行Everstake的软件，在区块生成前镜像流入的交易流量，并在散户订单前后插入自己的交易。Everstake是Solana较大的验证者之一，约有740万SOL委托给它，并且是由39个验证者组成、合计质押超过5000万SOL的联合体；它否认鼓励抢跑或三明治攻击，称其使用专门的过滤机制来防止此类活动。该服务被描述为通过名为Blockspace的产品转售一种机构级的“按质押权重服务质量”层级，面向质押超过15000 SOL的验证者。",
      "what_changed_en": "An investigation alleges that Solana validators, including Everstake, sell $4,000/month private feeds of pending transactions to quants who use them to front-run and sandwich-attack ordinary DeFi traders.",
      "current_state_zh": "Corvus Labs研究员Andrei Vacariu发布调查，指控由前Grayscale创始总经理David Kinitsky领导的Solana验证者组织Everstake，以每月4000美元的价格向量化交易者出售待处理交易的实时私有数据流，入门级访问价格低至每月10 SOL（约1000美元）。Vacariu通过一个收入分成钱包追踪资金流向，涉及Staking Facilities（据称自7月以来超过950 SOL）、Prostaking（超过200 SOL）、RockawayX和Stake.org，并称Everstake的销售人员正在招募更多验证者节点运营方加入该安排。\n\n该指控直指Solana这一最大智能合约网络之一的市场结构完整性，暗示其MEV提取已被私有化为付费俱乐部，而非因无公共内存池的设计被消除。若指控属实，Solana上的普通DeFi交易者将系统性暴露于抢跑和三明治攻击之下且无法退出，而质押委托者可能在不知情的情况下支持了将自身订单流变现的验证者。\n\nSolana没有公共内存池，因此大多数交易直接发送给被安排出下一个区块的验证者；据称付费客户可以运行Everstake的软件，在区块生成前镜像流入的交易流量，并在散户订单前后插入自己的交易。Everstake是Solana较大的验证者之一，约有740万SOL委托给它，并且是由39个验证者组成、合计质押超过5000万SOL的联合体；它否认鼓励抢跑或三明治攻击，称其使用专门的过滤机制来防止此类活动。该服务被描述为通过名为Blockspace的产品转售一种机构级的“按质押权重服务质量”层级，面向质押超过15000 SOL的验证者。",
      "current_state_en": "An investigation alleges that Solana validators, including Everstake, sell $4,000/month private feeds of pending transactions to quants who use them to front-run and sandwich-attack ordinary DeFi traders.",
      "detailed_summary_zh": "An investigation alleges that Solana validators, including Everstake, sell $4,000/month private feeds of pending transactions to quants who use them to front-run and sandwich-attack ordinary DeFi traders.",
      "detailed_summary_en": "An investigation alleges that Solana validators, including Everstake, sell $4,000/month private feeds of pending transactions to quants who use them to front-run and sandwich-attack ordinary DeFi traders.",
      "background_zh": "最大可提取价值（MEV）是指通过在一个区块内重排、插入或审查交易而获得的利润，三明治攻击是其中常见的一种形式：机器人在受害者交易之前买入代币推高价格，并在交易之后立刻卖出以获取差价。大多数区块链会在公共内存池中公开待处理交易，任何人都能看到；但Solana将交易直接路由给负责下一个时隙的领导者验证者，这一设计本意是通过把提前可见性限制在单一主体来抑制MEV。本次调查指称，这种可见性实际上被私下出售，从而把MEV机会集中在能够直接向验证者付费的人手中。",
      "background_en": "Maximal extractable value (MEV) is the profit that can be captured by reordering, inserting, or censoring transactions within a block, and sandwich attacks are a common form in which a bot buys a token just before a victim's swap to push the price up and sells immediately after to capture the difference. Most blockchains expose pending transactions in a public mempool where anyone can see them, but Solana routes transactions straight to the leader validator for the next slot — a design intended to limit MEV by restricting early visibility to one party. This investigation alleges that visibility is instead being sold privately, concentrating MEV opportunities among those who can pay validators directly.",
      "community_discussion_zh": "",
      "community_discussion_en": "",
      "market_impact_zh": "所指称的安排集中在Solana（SOL）的质押与DeFi活动上：它可能影响质押者在Everstake与其他验证者之间的委托选择，影响那些以散户兑换交易为MEV来源的Solana去中心化交易所的活动，并影响市场对验证者责任与网络公平性的整体情绪。其对价格的传导是间接的，主要通过质押资金流向、DEX流动性以及被点名运营方的声誉风险，而非代币供应或协议规则的直接变化。",
      "market_impact_en": "The alleged arrangement concentrates on Solana (SOL) staking and DeFi activity: it could influence delegation decisions among stakers choosing between Everstake and other validators, affect activity on Solana DEXs where retail swaps are the source of the MEV being extracted, and feed into broader sentiment about validator accountability and network fairness. Any transmission to prices is indirect and routed through staking flows, DEX liquidity, and reputational risk for named operators rather than through a direct change in token supply or protocol rules.",
      "importance_score": 8.0,
      "references": [
        {
          "url": "https://solanacompass.com/news/corvus-labs-investigation-finds-39-solana-validators-using-everstakes-private-orderflow-service-with-4000month-priority-tpu-access",
          "title": "Blockspace Everstake: Solana Validator Private... | Solana Compass"
        },
        {
          "url": "https://solanacompass.com/learn/accelerate-25/scale-or-die-at-accelerate-2025-the-state-of-solana-mev",
          "title": "Solana MEV Exposed: Sandwich Attacks, Arbitrage, and Validator Behavior Analysis | Solana Compass"
        },
        {
          "url": "https://solana.com/docs/defi/mev-protection",
          "title": "MEV Protection with Jito DontFront | Solana"
        }
      ],
      "confidence": 0.75,
      "story_ids": [
        "rss:protos.com_feed_:a76cf8deec36143f"
      ],
      "sources": [
        {
          "url": "https://protos.com/quants-are-paying-4000-a-month-to-front-run-solana-trades/",
          "label": "Protos",
          "source_type": "rss",
          "official": false
        }
      ]
    }
  ]
}