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With each breaking upgrade of the Cosmos Hub, the network is restarted at height 0. During this process, an export of the last state of the previous network is made to produce the genesis state of the new one. As a result, the blocks of the previous networks are not downloaded by new clients (as they sync from the new genesis state), and may be deleted by existing full-nodes.

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Archive Snapshots

Legacy chain snapshots and binaries (linux-amd64) are provided by CCValidators. Always do your own research before trusting a third-party snapshot provider.

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Cosmos Hub 1

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Cosmos Hub 2

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Cosmos Hub 3

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Explorers

If you would like to search explorers for previous hub data, these are some links where you can find the information:

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Big Dipper

If you want to make archives available to the community, feel free to open a PR to this file and add them.