{
  "version": 1,
  "event_id": "evt_9b941e7ef013a048",
  "url": "https://xiyu.news/events/evt_9b941e7ef013a048/",
  "json": "https://xiyu.news/api/events/evt_9b941e7ef013a048.json",
  "type": "protocol_change",
  "status": "monitoring",
  "category": "crypto",
  "title": {
    "zh": "Solana 第三次提速：目标出块时间降至 250 毫秒",
    "en": "Solana's Heartbeat Quickens: Block Times Fall 17% in Latest Speed Upgrade"
  },
  "current_state": {
    "zh": "Solana 将其目标出块时间（slot time）从 300 毫秒下调至 250 毫秒，出块节奏加快约 17%，这是该网络自 8 月以来的第三次提速。此次调整是 SIMD-0525 提案四个规划阶段中的第三步，该提案已把 slot 时间从创世时的 400 毫秒依次降至 350 毫秒、300 毫秒，再到如今的 250 毫秒。\n\n更短的 slot 缩短了区块链结算与传统交易所那种近乎即时确认之间的差距，主要惠及对延迟敏感的应用，例如预言机和自动做市商。其意义在于，Solana 正是靠执行速度的新鲜度来争夺高频交易和 DeFi 活动，尽管网络的原始交易吞吐量并未改变。\n\n这并非容量升级：每个更短的 slot 被分配的计算量和数据量也按比例减少，因此网络是以更小、更频繁的片段承载同样的总负载。由于一个 epoch 固定为 432,000 个 slot，slot 时间压缩使预期 epoch 时长从约 36 小时缩短至约 30 小时，从而也悄然加快了质押奖励和验证者排期；最后一步降至 200 毫秒尚未确定主网激活日期，且只有在区块跳票率（block-skip rate）保持稳定的前提下才会推进。",
    "en": "Solana reduced its target slot time from 300 milliseconds to 250 milliseconds, marking a nearly 17% speedup in block production and the network's third such optimization since August."
  },
  "first_seen_at": "2026-09-19T15:59:54.601823+00:00",
  "last_updated_at": "2026-09-19T15:59:54.601823+00:00",
  "last_material_change_at": "2026-09-19T15:59:54.601823+00:00",
  "confidence": 0.75,
  "updates_count": 1,
  "sources_count": 1,
  "entities": [
    "block",
    "fall",
    "heartbeat",
    "latest",
    "quickens",
    "solana",
    "speed",
    "times",
    "upgrade"
  ],
  "identifiers": [],
  "topics": [
    "layer-1",
    "performance",
    "protocol-upgrade",
    "solana"
  ],
  "updates": [
    {
      "update_id": "upd_6761c5e4315121f4",
      "event_id": "evt_9b941e7ef013a048",
      "occurred_at": "2026-09-19T13:01:04Z",
      "published_at": "2026-09-19T13:01:04Z",
      "first_seen_at": "2026-09-19T15:59:54.601823Z",
      "time_precision": "published",
      "update_type": "initial",
      "material_change": true,
      "title_zh": "Solana 第三次提速：目标出块时间降至 250 毫秒",
      "title_en": "Solana's Heartbeat Quickens: Block Times Fall 17% in Latest Speed Upgrade",
      "what_changed_zh": "Solana 将其目标出块时间（slot time）从 300 毫秒下调至 250 毫秒，出块节奏加快约 17%，这是该网络自 8 月以来的第三次提速。此次调整是 SIMD-0525 提案四个规划阶段中的第三步，该提案已把 slot 时间从创世时的 400 毫秒依次降至 350 毫秒、300 毫秒，再到如今的 250 毫秒。\n\n更短的 slot 缩短了区块链结算与传统交易所那种近乎即时确认之间的差距，主要惠及对延迟敏感的应用，例如预言机和自动做市商。其意义在于，Solana 正是靠执行速度的新鲜度来争夺高频交易和 DeFi 活动，尽管网络的原始交易吞吐量并未改变。\n\n这并非容量升级：每个更短的 slot 被分配的计算量和数据量也按比例减少，因此网络是以更小、更频繁的片段承载同样的总负载。由于一个 epoch 固定为 432,000 个 slot，slot 时间压缩使预期 epoch 时长从约 36 小时缩短至约 30 小时，从而也悄然加快了质押奖励和验证者排期；最后一步降至 200 毫秒尚未确定主网激活日期，且只有在区块跳票率（block-skip rate）保持稳定的前提下才会推进。",
      "what_changed_en": "Solana reduced its target slot time from 300 milliseconds to 250 milliseconds, marking a nearly 17% speedup in block production and the network's third such optimization since August.",
      "current_state_zh": "Solana 将其目标出块时间（slot time）从 300 毫秒下调至 250 毫秒，出块节奏加快约 17%，这是该网络自 8 月以来的第三次提速。此次调整是 SIMD-0525 提案四个规划阶段中的第三步，该提案已把 slot 时间从创世时的 400 毫秒依次降至 350 毫秒、300 毫秒，再到如今的 250 毫秒。\n\n更短的 slot 缩短了区块链结算与传统交易所那种近乎即时确认之间的差距，主要惠及对延迟敏感的应用，例如预言机和自动做市商。其意义在于，Solana 正是靠执行速度的新鲜度来争夺高频交易和 DeFi 活动，尽管网络的原始交易吞吐量并未改变。\n\n这并非容量升级：每个更短的 slot 被分配的计算量和数据量也按比例减少，因此网络是以更小、更频繁的片段承载同样的总负载。由于一个 epoch 固定为 432,000 个 slot，slot 时间压缩使预期 epoch 时长从约 36 小时缩短至约 30 小时，从而也悄然加快了质押奖励和验证者排期；最后一步降至 200 毫秒尚未确定主网激活日期，且只有在区块跳票率（block-skip rate）保持稳定的前提下才会推进。",
      "current_state_en": "Solana reduced its target slot time from 300 milliseconds to 250 milliseconds, marking a nearly 17% speedup in block production and the network's third such optimization since August.",
      "detailed_summary_zh": "Solana reduced its target slot time from 300 milliseconds to 250 milliseconds, marking a nearly 17% speedup in block production and the network's third such optimization since August.",
      "detailed_summary_en": "Solana reduced its target slot time from 300 milliseconds to 250 milliseconds, marking a nearly 17% speedup in block production and the network's third such optimization since August.",
      "background_zh": "slot 是分配给某个验证者（validator，即帮助运行网络并获得报酬的计算机）用于构建并发布区块的短暂时间窗口，而区块就是一批已确认交易；这个窗口一缩短，整条链的“心跳”就会加快。验证者会连续四个 slot 持有领袖角色（leader，即临时构建区块的权利）再交接出去，因此在每个 slot 250 毫秒下，这一控制窗口从 1.2 秒缩短至 1 秒。SIMD-0525 是 Solana 提出并批准网络变更的正式流程，而同样旨在缩小结算与即时确认之间差距的思路也推动了 Alpenglow——一项正在测试的独立共识改造，目标是把交易最终性（finality）从 12.8 秒的等待缩短到接近即时。",
      "background_en": "A slot is the short window handed to one validator—a computer that helps run the network and gets paid for it—to build and publish a block, which is a batch of confirmed transactions; shrink that window and the whole chain's heartbeat quickens. Validators keep the leader role, the temporary right to build blocks, for four consecutive slots before handing it off, so at 250ms per slot that control window shrinks from 1.2 seconds to one second. SIMD-0525 is Solana's formal process for proposing and approving network changes, and the same instinct to narrow the gap between settlement and instant confirmation also drives Alpenglow, a separate consensus overhaul being tested to cut transaction finality from a 12.8-second wait to something closer to instant.",
      "community_discussion_zh": "",
      "community_discussion_en": "",
      "market_impact_zh": "其传导路径在于 Solana 的 DeFi 基础设施，而非代币供给或监管：更新鲜的价格喂价和更紧的执行窗口，可能使链上预言机与自动做市商相对中心化交易所更具竞争力，从而影响流动性与交易量在以 SOL 计价的 DeFi 场所之间的分布。epoch 压缩也会改变质押奖励累积和验证者排期的时间节奏，这是质押服务商与委托者需要关注的变量。",
      "market_impact_en": "The transmission runs through Solana's DeFi infrastructure rather than through supply or regulation: fresher price feeds and tighter execution windows can make on-chain oracles and automated market makers more competitive with centralized venues, which is a factor in how liquidity and trading volume may be distributed across SOL-denominated DeFi venues. Compressed epochs also shift the timing of staking reward accrual and validator scheduling, a consideration for staking service providers and delegators.",
      "importance_score": 7.0,
      "references": [
        {
          "url": "https://solana.com/upgrades/reduced-slot-times",
          "title": "Reduced Slot Times | Solana Media"
        },
        {
          "url": "https://cryptodaily.co.uk/2026/09/solana-250ms-slot-time-simd-0525",
          "title": "Solana Moves to 250ms Slots, Holds Capacity Steady"
        },
        {
          "url": "https://beincrypto.com/solana-block-time-half-200ms/",
          "title": "Solana Aims to Cut Block Time in Half, and You Can Watch It Live"
        }
      ],
      "confidence": 0.75,
      "story_ids": [
        "rss:decrypt.co_feed:46fe64d423609d33"
      ],
      "sources": [
        {
          "url": "https://decrypt.co/378674/solana-heartbeat-quickens-speed-upgrade",
          "label": "Decrypt",
          "source_type": "rss",
          "official": false
        }
      ]
    }
  ]
}
