How long will SiaStream take to sync?

SiaStream has an initial sync where it downloads the Sia blockchain to your computer. This process can take a couple of hours on an SDD, or a couple of days on an HDD.

  • It starts syncing as soon as you launch the app
  • It has to finish before you can upload your files

This file (as of November 2019) is around 17.5 GB, which might not sound like it should take that long. It has more to do with your disk write speed than your download bandwidth, and the complexities of verifiying the blockchain data as it goes.

The Sia blockchain is a critical component of how SiaStream offers unprecedented privacy, security, and cost. It manages the marketplace and handles the automatic payments to hosts, the contract renewals, and the file redundancy that ensures your data is safe for the long term.


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