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  "raw_markdown_url": "https://finwiki.zksc.io/systems/polkadot-xcm-parachain-messaging.md",
  "domain": "systems",
  "title": "Polkadot XCM · parachain messaging v3-v4",
  "entry_type": "wiki_entry",
  "frontmatter": {
    "title": "Polkadot XCM · parachain messaging v3-v4",
    "aliases": [
      "polkadot-xcm-parachain-messaging",
      "Polkadot XCM",
      "XCM v3",
      "XCM v4",
      "Polkadot Asset Hub"
    ],
    "domain": "systems",
    "type": null,
    "created": "2026-05-25",
    "last_updated": "2026-05-25",
    "last_tended": "2026-05-25",
    "review_by": "2026-11-25",
    "confidence": "likely",
    "tags": [
      "systems",
      "cross-chain",
      "polkadot",
      "xcm",
      "parachain",
      "shared-security",
      "asset-hub",
      "institutional"
    ],
    "status": "active",
    "canonical_anchor": null,
    "related": [],
    "note": null,
    "sources": [
      "https://wiki.polkadot.network/",
      "https://github.com/paritytech/xcm-format",
      "https://polkadot.network/",
      "https://github.com/paritytech/polkadot-sdk",
      "https://parachains.info/"
    ]
  },
  "summary": "This entry sits under systems index. Read it against IBC · Cosmos for the closest peer in shared-security multi-chain interop, cross-chain four poles for the broader interop landscape, and five-pole comparison matrix for side-by-side.",
  "headings": [
    "Polkadot XCM · parachain messaging v3-v4",
    "Wiki route",
    "Key facts",
    "Shared-security architecture",
    "XCM v3 → v4 evolution",
    "Asset Hub and institutional pilots",
    "JAM and the long-term roadmap",
    "Related",
    "Sources"
  ],
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      "systems/cross-chain-four-poles-overview",
      "systems/eigenlayer-overview",
      "systems/hyperledger-besu-overview",
      "systems/ibc-cosmos-cross-chain",
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      "https://finwiki.zksc.io/ja/systems/cross-chain-four-poles-overview/",
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      "https://finwiki.zksc.io/ja/systems/ibc-cosmos-cross-chain/",
      "https://finwiki.zksc.io/ja/systems/institutional-dlt-adoption-comparison-2026/",
      "https://finwiki.zksc.io/ja/systems/l2-agent-economics-arbitrum-base-op-comparison/"
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