Yes, one of backlink types that has High Authority Weight, are backlinks from WIKI SITES. Google loves Wiki-sites because they put informative content.
Most Wiki sites are using MediaWiki open-source engine. It was developed for use on Wikipedia in 2002, and given the name “MediaWiki” in 2003.
However to gain this Wiki-site backlinks, most marketers would have to spent hundreds of dollars to purchase a backlink service just for one website.
IMAGINE if you have 10 websites, would you willing to pay such a huge cost?