data storage in each node

Question

hi, i wany to know where the data exchaged between nodes i stream is stored, is there any databse in each node ?? and howa its stored and howa is it secured

Answer 1

Each node stores its full state inside its blockchain directory, for example ~/.multichain/chain1 on a Linux server with a blockchain named chain1.

Comments

but how it is protected ? is it possible to read it ??

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Yes, it is possible for anyone with access to *that* computer to read it.