Whitelist and Blacklist: What is the difference?Last Updated: June 10, 2019
Whitelist has the opposite effect of Blacklist. If you add a country to Whitelist, then all other countries will automatically get blacklisted without using the Blacklist feature. For example, it's unnecessary to whitelist the US then blacklist Brazil, since Brazil has already been blocked once the US is whitelisted.
It is recommended that you only keep ONE list active at a time as there can be conflicts if both lists are used. On a further note, whichever list is applied first will be kept. For example, if you whitelist the US, then later blacklist it without removing it from the Whitelist, the US will remain whitelisted.