Kraken Exchange Returns After Longest Downtime Since 2013

This Kraken is now back online and by January 31, there is a plan to trade zero fees for the inconvenience of its customers. This website is well maintained in 24 hours.

It was only going to last for two hours to upgrade one of the world's largest digital asset exchanges. Earlier this week, San Francisco-based Cryptocurrency Exchange Kraken had set some downtime to upgrade trading platform systems.

Source - https://news.bitcoin.com/kraken-exchange-returns-after-longest-downtime-since-2013/