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  "slug": "systems/ibc-cosmos-cross-chain",
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  "domain": "systems",
  "title": "IBC · Cosmos Inter-Blockchain Communication protocol",
  "entry_type": "wiki_entry",
  "frontmatter": {
    "title": "IBC · Cosmos Inter-Blockchain Communication protocol",
    "aliases": [
      "ibc-cosmos-cross-chain",
      "IBC",
      "Inter-Blockchain Communication",
      "IBC v2",
      "Cosmos hub-and-spoke"
    ],
    "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",
      "cosmos",
      "ibc",
      "light-client",
      "hub-and-spoke",
      "hyperlane",
      "layerzero",
      "ccip"
    ],
    "status": "active",
    "canonical_anchor": null,
    "related": [],
    "note": null,
    "sources": [
      "https://ibc.cosmos.network/",
      "https://github.com/cosmos/ibc",
      "https://docs.cosmos.network/",
      "https://tutorials.cosmos.network/",
      "https://github.com/cosmos/ibc-go"
    ]
  },
  "summary": "This entry sits under systems index. Read it against cross-chain four poles overview and cross-chain five-pole matrix for peer / contrast, CCTP V2 for the alternative trust-minimized model, and Hyperlane vs LayerZero / CCIP for the broader interop comparison.",
  "headings": [
    "IBC · Cosmos Inter-Blockchain Communication protocol",
    "Wiki route",
    "Key facts",
    "Trust model — light clients on both sides",
    "IBC v1 vs IBC v2",
    "Comparison vs other interop protocols",
    "IBC channel and packet lifecycle",
    "Origin and evolution",
    "Related",
    "Sources"
  ],
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      "INDEX",
      "systems/INDEX",
      "systems/cctp-v2-overview",
      "systems/chainlink-ccip-institutional-messaging",
      "systems/cross-chain-bridge-security-insurance-matrix-2026",
      "systems/cross-chain-five-pole-comparison-matrix",
      "systems/cross-chain-four-poles-overview",
      "systems/data-availability-celestia-eigenda-blob-comparison",
      "systems/hyperlane-overview",
      "systems/hyperlane-vs-layerzero-ccip",
      "systems/layerzero-v2-omnichain-messaging",
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      "https://finwiki.zksc.io/ja/systems/chainlink-ccip-institutional-messaging/",
      "https://finwiki.zksc.io/ja/systems/cross-chain-bridge-security-insurance-matrix-2026/",
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      "https://finwiki.zksc.io/ja/systems/cross-chain-four-poles-overview/",
      "https://finwiki.zksc.io/ja/systems/data-availability-celestia-eigenda-blob-comparison/",
      "https://finwiki.zksc.io/ja/systems/hyperlane-overview/",
      "https://finwiki.zksc.io/ja/systems/hyperlane-vs-layerzero-ccip/",
      "https://finwiki.zksc.io/ja/systems/layerzero-v2-omnichain-messaging/",
      "https://finwiki.zksc.io/ja/systems/polkadot-xcm-parachain-messaging/"
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