Providing online non-downloadable blockchain computer software for cryptocurrency transactions and processing of electronic payments; Providing online non-downloadable blockchain computer software that enables end users to engage in and access cryptocurrency and currency verification, assurance, exchange and transfers; Providing online non-downloadable software for validating, evaluating and managing smart contracts and documents; Providing online non-downloadable software for managing, validating and enforcing transactions using blockchain-based smart contracts and cryptocurrency; Providing online non-downloadable blockchain computer software that enables end-users to access third-party cryptocurrency opportunities to earn a reward; Providing online non-downloadable software for managing, validating and enforcing transactions using blockchain-based smart contracts and cryptocurrency; User authentication services using technology for e-commerce transactions; Providing user authentication services using blockchain-based software technology; Electronic and cryptographic signature verification services using technology to authenticate user identity
Computer and Scientific