Cryptocurrency exchange Kraken has launched 'Krak', an all-in-one global currency application designed to modernize financial transactions. The app integrates cryptocurrency technology with Kraken's established banking and payment networks, allowing users to transfer funds peer-to-peer across 110 countries. Krak supports over 300 assets, including cryptocurrencies, stablecoins, and fiat currencies, enabling transactions without the need for bank details or crypto wallet addresses.