{
  "schema_version": "1.0",
  "slug": "exchanges/jp-institutional-custody-three-pillars",
  "source_path": "exchanges/jp-institutional-custody-three-pillars.md",
  "url": "https://finwiki.zksc.io/ja/exchanges/jp-institutional-custody-three-pillars/",
  "html_url": "https://finwiki.zksc.io/ja/exchanges/jp-institutional-custody-three-pillars/",
  "alternate_html_urls": {
    "ja": "https://finwiki.zksc.io/ja/exchanges/jp-institutional-custody-three-pillars/",
    "en": "https://finwiki.zksc.io/en/exchanges/jp-institutional-custody-three-pillars/"
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  "github_url": "https://github.com/jasonhnd/finwiki/blob/main/exchanges/jp-institutional-custody-three-pillars.md",
  "raw_markdown_url": "https://finwiki.zksc.io/exchanges/jp-institutional-custody-three-pillars.md",
  "domain": "exchanges",
  "title": "国内機関カストディ三強構造 — Komainu / Ginco / Fireblocks Japan 比較",
  "entry_type": "wiki_entry",
  "frontmatter": {
    "title": "国内機関カストディ三強構造 — Komainu / Ginco / Fireblocks Japan 比較",
    "aliases": [
      "JP institutional custody comparison",
      "国内機関カストディ三強",
      "Komainu Ginco Fireblocks Japan"
    ],
    "domain": "exchanges",
    "type": null,
    "created": "2026-05-19",
    "last_updated": "2026-07-29",
    "last_tended": "2026-07-29",
    "review_by": "2027-01-29",
    "confidence": "likely",
    "tags": [
      "exchanges",
      "custody",
      "institutional",
      "mpc",
      "cold-storage",
      "jp-custody"
    ],
    "status": "active",
    "canonical_anchor": null,
    "related": [],
    "note": null,
    "sources": [
      "https://komainu.com/about/",
      "https://komainu.com/expertise/custody-technology/",
      "https://www.ginco.co.jp/en/service/enterprise-wallet--en",
      "https://developers.fireblocks.com/docs/what-is-fireblocks"
    ]
  },
  "summary": "本稿は、国内事業者から参照される機関向けカストディ／ウォレット基盤のうち Komainu、Ginco、Fireblocks の三者を、各社公式資料で確認できる技術方式と提供機能に限定して比較する。市場シェア、順位、顧客数の国内比較を示すものではなく、法的なカストディ主体と技術ベンダーも区別する。",
  "headings": [
    "国内機関カストディ三強構造 — Komainu / Ginco / Fireblocks Japan 比較",
    "概要",
    "三社プロファイル",
    "Komainu Holdings (英国 Jersey)",
    "株式会社 Ginco (国内独立系)",
    "Fireblocks Japan (海外 vendor 日本法人)",
    "技術 / ビジネスモデル比較",
    "規制位置づけ",
    "競合層 (海外比較)"
  ],
  "body_links": {
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      "exchanges/jp-custody-komainu"
    ],
    "resolved_wikilinks": [
      "https://finwiki.zksc.io/ja/exchanges/fsa-vasp-registration-system/",
      "https://finwiki.zksc.io/ja/exchanges/jp-custody-fireblocks-japan/",
      "https://finwiki.zksc.io/ja/exchanges/jp-custody-ginco/",
      "https://finwiki.zksc.io/ja/exchanges/jp-custody-komainu/"
    ],
    "external_links_count": 0,
    "external_links": []
  },
  "metrics": {
    "nonspace_chars": 2227,
    "word_like_tokens": 298,
    "inbound_wikilinks_count": 15,
    "last_modified": "2026-07-29"
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}