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# System prepended metadata

title: Uploads 2.0

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# Uploads 2.0


## Problems

- Clouflare workers aren't good for handling large uploads
    - CAR chunking was a workaround
- TreeWalk file chunking (where each chunk has a root CID) requires storing chunks on disk or memory
    - new importer is designed to allow streaming blocks uploads, would be nice if we don't introduce blockstore just for treewalk

- We need to tag related cars on S3 so they end up in same deals on filecoin

## Next Steps

- 