Glossary

51% attack

Peer-to-peer

(P2P)

Direct exchange between two parties without a central intermediary.

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What is peer-to-peer?

Peer-to-peer, or P2P, describes interactions that happen directly between two parties without a central intermediary. In crypto, P2P networks let users transfer value and share data directly.

Why it matters

Bitcoin was originally described as a peer-to-peer electronic cash system. The same idea underpins how nodes share information across a blockchain.

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Related terms

Nonce

A one-time number used in mining and transactions.

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Polkadot

The native asset of Polkadot, a network that connects many blockchains.

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Polygon

A network and token built to make Ethereum transactions faster and cheaper.

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