Downoadable and web-based computer software for use in connection with distributed ledger technology (DLT) and blockchain networks, namely, validating entries on blockchain networks employing DLT, including digital asset and cryptocurrency transactions; · Downloadable and web-based computer software for use in connection with distributed ledger technology (DLT) and blockchain networks, namely, enabling interoperability between blockchain networks by employing on-chain technological solutions, such as bridge and light client software, to validate transactions between one or more blockchain networks; Downloadable and web-based computer software in the fields of digital security, namely, management of secure databases using distributed ledger technology (DLT); Computer security services in the nature of validating transactions on and among one or more blockchain networks, namely, validating transactions submitted by users to a single blockchain network and by employing on-chain technological solutions, such as bridge and light client software, to validate transactions between one or more blockchain networks; Software as a service (SaaS) services featuring software for development and deployment of on-chain infrastructure software for use in the field of distributed ledger technology (DLT), including blockchain networks, digital assets, and cryptocurrencies; Platform as a service (PaaS) featuring computer software platforms for use in developing and deploying on-chain infrastructure software in the field of distributed ledger technology (DLT), including blockchain networks, digital assets, and cryptocurrencies; Software as a service (SaaS) services featuring software for authentication of transactions in the field of distributed ledger technology (DLT), including blockchain networks, digital assets, and cryptocurrencies