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Nano is a third generation crypto. Meaning it focuses on infinte scalibility and perpetually low or no transaction fees. Nano is currently only focused on the value transfer aspect or currency function of the network. I would expect to see a layer of coding languages developed and implemented in the future. Nano, like Cardano, is determined on getting the structure right from the beginning, and not necessarily every function just yet.
The feeless system would inherently be vulnerable to spamming without a cost to transact. This is addressed by having the sender and receiver both create trasactions, from their respective account blockchains, and communicate.
Each user and/or account has it's own blockchain ledger. You will no longer require a full ledger of every transaction that ever occurred to secure the entire network. The lack of strenuous mining will also be more environmentally friendly. This is ahead in crypto innovation that should be noted.
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