Closed To 7 Keys [Outdoor]

Have you ever heard of “cryptocurrencies"? And do you know the term “locked under seven and keys”? IN order not to be locked IN the city of Porto and be able to create INvicta's “BitcoIN”, you will have to overcome the enigmas mirrored IN the various monuments and spaces of the city before the hacker Utrop attacks you. Are you ready for the challenge of beINg a Cryptologist for 120 mINutes? Can you fINd the 7 keys? And (de)encrypt all keys? Many keys will open, but only one will close! And IN order to escape, somethINg will have to open and close! Otherwise, they will be locked with 7 keys at INvicta and without your “BitcoIN” IN your pocket! "Be careful clickINg here!"