# Isaac A - Exploring Minimum-Viable Sidechains on ETC (Highlights) ![rw-book-cover|256](https://readwise-assets.s3.amazonaws.com/static/images/article3.5c705a01b476.png) ## Highlights - balance the advantages a private network with the security of the mainnet. - If it doesn’t depend data from the mainnet, then it doesn’t get any of the value of putting data on mainnet in the first place.