Is a Kraken real yes or no?

Excuse me, but I'm a bit confused by your question. Are you asking if the Kraken, as it's often depicted in mythology and folklore, is a real creature? If so, the answer is no. The Kraken is a mythical sea monster that has been a part of many cultures' legends and folklore, but there is no scientific evidence to suggest that it exists in reality. However, if you're referring to Kraken, the cryptocurrency exchange, then yes, it is a real platform where users can buy, sell, and trade digital assets. Is that what you meant?