Polkadot’s primary mission is to help multiple separate seemingly incompatible blockchains all work together like they are compatible. Traditional blockchains operate pretty much all alone, limiting their ability to communicate and share data.
Polkadot changes the game by connecting these blockchains — like a digital highway where information flows freely between different projects.
The DOT token or cryptocurrency is used in the Polkadot ecosystem.
Polkadot’s architecture revolves around the Relay Chain. Around it orbit various parachains — individual blockchains with specific uses. These parachains can specialise in anything from decentralised finance (DeFi) to gaming or identity management.
Because Polkadot doesn’t have apps on it, it’s called a zero layer, because it is a foundation layer. But the parachains around it do have dApps (apps made on a blockchain rather than the internet). Here are some really cool parachains to look into.
Imagine Polkadot as a bustling city with different districts, each serving a unique purpose. The Relay Chain ensures seamless communication between these districts.
Developers can create their own parachains using the Substrate framework. It’s like building with Lego blocks — assemble your unique blockchain, connect it to Polkadot, and benefit from the network’s security and interoperability.
This flexibility encourages innovation and rapid development.
Polkadot (DOT) was launched through its initial coin offering (ICO) in October 2017.
During the ICO, the initial price of Polkadot was US$0.29, and a total of 2.24 million tokens were offered. Since then, Polkadot has evolved significantly, and its price has experienced wild fluctuations. At its all-time high price, it was trading at US$55, in October of 2021, however at the time of writing the price of DOT was US$7.70.
The native DOT token serves several purposes. It can just be a speculative investment. People buy the token at what they think is a low price, and sell when they think it won’t go much higher. (Or they buy it at the top of the market and end up having to sell after the price drops!)
Governance: DOT holders participate in decision-making, shaping Polkadot’s future.
Staking: Lock up DOT to secure the network and earn rewards.
Bonding: Parachains use DOT as collateral to secure a slot on the Relay Chain.
Owning DOT means being an active participant in the Polkadot ecosystem.
Polkadot (DOT) isn’t just another cryptocurrency. It’s a multichain network designed to address scalability and interoperability issues faced by traditional blockchains.
Polkadot was founded by the Web3 Foundation.
This open-source project brought together some of the brightest minds in the blockchain industry. Their goal? To create a platform that enables seamless interaction between different blockchains.





Buying, selling, and holding cryptocurrencies is subject to high market risk. The volatile and unpredictable nature of the price of cryptocurrencies may result in a significant loss. CoinJar, inc. is not responsible for any loss that you may incur from price fluctuations when you buy, sell, or hold cryptocurrencies. CoinJar, Inc. does not provide any investment, tax or legal advice; before making the decision to buy, sell or hold any cryptocurrencies, you should conduct your own due diligence and consult your financial, tax and/or legal advisor.
It is your responsibility to determine whether any investment, investment strategy or related transaction is appropriate for you according to your personal investment objectives, financial circumstances, and risk tolerance. Enter into a transaction only if you fully understand its nature, the contractual relationship into which you are entering, all relevant terms and conditions, and the nature and extent of your exposure to loss. Past performance is not a reliable indicator of future results. Geographic restrictions may apply. CoinJar does not endorse the content of, and cannot guarantee or verify the safety of any third party websites. Visit these websites at your own risk.
Your information is handled in accordance with CoinJar’s Privacy Policy.
Copyright © 2025 CoinJar, Inc. All rights reserved.
CoinJar, Inc. is a registered Money Services Business with FinCEN and licensed as a money transmitter, NMLS #2492913. For a list of states in which CoinJar, Inc. is licensed or authorized to operate, please visit here. In certain other states, money transmission services are provided by Cross River Bank, Member FDIC.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.