You may have heard of BitTorrent, a peer-to-peer network where users share files among each other without a central server having control over the data. The network layer of a blockchain is similar to this, and it is also managed by a peer-to-peer network, which is an architecture for distributing data in a network. In the case of blockchain, it is a network in which nodes (peers) are interconnected and share data or tasks (resources) among each other. This is different to a traditional client-server model, where the centralized server holds 100% of the data and the client needs to trust that the data is legitimate.
A peer-to-peer network runs without the use of a centralized administration system ...
