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mssoni.
Jun 11, 2025
Expert Q&A

What happens to data after the 'end epoch' in Wal framework?

I was learning about the Wal framework's 'writeBlob' function which requires setting a 'start epoch' and 'end epoch'. I'm curious, what happens to the stored data after the 'end epoch' is reached? Does it get deleted automatically, or does something else happen to ensure data continuity?

  • Walrus
  • blob
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Pluto Dev👽.
Jun 12 2025, 18:08

When the end epoch of a blob is reached, the data is not guaranteed to remain on the Walrus network. Nodes are only paid to store the data until the end epoch, so they will likely drop the data at that point. To ensure continuity, you may need to extend the storage period through additional epochs.

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Walrus is a decentralized storage and data availability protocol designed specifically for large binary files, or "blobs"

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