Can I reset my Kaspa node's disk usage without losing the network?

Yes — you can resync a Kaspa node from scratch at any time to bring disk usage back down to around 4 GB. Because the node re-downloads and re-validates the DAG from the network during resync, you do not need to keep every byte of historical data permanently; the network itself is the source of truth. This matters for anyone running a node on a smaller drive, since it means storage size is a manageable constraint rather than a permanent ceiling.