Kroo is following challenger banks Starling Bank and Chase UK, which have also issued crypto bans. London-based challenger bank Kroo is banning customers from carrying out crypto transactions, saying cryptocurrencies are “increasingly being used by fraudsters as a way to scam people”. Kroo is following in the footsteps of other challenger banks, Starling Bank and Chase UK, which have issued crypto bans. Starling Bank no longer supports crypto transactions while last year Chase UK, JP Morgan’s UK challenger bank, blocked UK customers from purchasing crypto assets.