Downloadable computer software for providing an interface between an internet browser and distributed computing platforms; Downloadable computer software for enabling peer-to-peer electronic transfer of money and other assets between users; Downloadable computer software that provides a user interface for managing digital identities and for signing blockchain transactions; Downloadable computer software for securing digital identities; Downloadable computer software for implementing blockchain transactions and for managing digital identities; Downloadable computer software used to manage and verify digital identities and associated data transactions utilizing blockchain-based platforms; Downloadable computer software for encryption; Downloadable computer software for execution and management of secure data transactions