At this layer applications access the network using RPC protocol.
Main applications developed so far: SilentNotary – user interfaces ( web, messenger bots, email, mobile apps, API) for hashing and cloud storage of files. Used for notary verification and item tokenization. See section “Identification”). Wallets – standard applications for payment transactions.Explorer – a tool for browsing graph, blocks, transactions and smart contracts. On top of that Explorer, the Explorer is able to review node groups and their consensus rules