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Polkadot

Polkadot (DOT) is a multi-chain network launched in 2020. It uses a Relay Chain that provides shared security to parachains — application-specific blockchains connected to the network. Edited by Eric Nkando.

What is Polkadot?

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The big story

What is Polkadot (DOT)? Parachains, shared security, and JAM in 2026

Polkadot is a multi-chain protocol connecting specialized blockchains through shared security. Here's how parachains work, what DOT does, and where the network sits in 2026.

Eric Nkando · 6 min · Updated 15 Sep

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2 pieces that explain how this works.

What is Polkadot (DOT)? Parachains, shared security, and JAM in 2026

How to Add Polkadot to MetaMask

From the editor

“Every fact on this page is dated. Every source is cited. If it doesn't have a last-verified line, don't act on it.”

Eric Nkando, Senior Writer

Polkadot, in numbers

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Latest in Polkadot

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Analysis

What is Polkadot (DOT)? Parachains, shared security, and JAM in 2026

Polkadot is a multi-chain protocol connecting specialized blockchains through shared security. Here's how parachains work, what DOT does, and where the network sits in 2026.

Eric Nkando · 6 min · 15 Sep

Guide

How to Add Polkadot to MetaMask

While MetaMask is one of the most popular crypto wallets for interacting with Ethereum and EVM-compatible networks, it does not natively support the Polkadot

Eric Nkando · 4 min · 15 Sep

Reviews

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Frequently asked questions

What is a parachain?

A parachain is an independent blockchain that runs in parallel within Polkadot's ecosystem, sharing security with the Relay Chain.