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Peer-to-Peer Meaning

Peer-to-Peer (P2P) is a decentralized computing architecture where equals, known as peers, interact directly with one another without the need for a central server or intermediary. In a P2P network, every participant acts as both a client requesting data and a server providing it.

This model is the polar opposite of the client-server architecture used by major tech companies where a central authority controls all data and access.The primary advantage of P2P is censorship resistance. Because there is no central off-switch, a P2P network is extremely difficult for a government or a corporation to shut down.

This was first popularized by file-sharing apps, but it found its most revolutionary application in Bitcoin. Bitcoin is a peer-to-peer electronic cash system because it allows two parties to transact directly without a bank in the middle.Technically, P2P networks rely on a gossip protocol.

When a new transaction or piece of data is created, it is shared with a few neighbors, who then share it with their neighbors, until the entire network is synchronized. This redundancy makes the network antifragile; even if a vast majority of nodes go offline, the remaining participants still have a full copy of the data and can continue to operate the system without loss of integrity.In the modern sharing economy, P2P has expanded beyond data.

Platforms like Airbnb and Uber are P2P marketplaces, though they still use a centralized company to facilitate trust and payments. The goal of Web3 is to disintermediate these platforms using smart contracts, allowing for a pure P2P economy where the service provider and the consumer interact through a transparent, code-governed protocol, keeping more of the value for themselves.

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