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View ChartPolkadot is a blockchain project that focuses on creating a platform that other blockchain-based projects and applications can build on. It has arguably become one of the most successful projects working to improve the fundamental technology that powers decentralized applications (dApps).
Polkadot’s developers include Ethereum co-creator Gavin Wood. It launched on May 26, 2020. The nonprofit Web3 Foundation is the primary research organization that maintains Polkadot’s open-source code.
Most blockchains function autonomously and are not connected to any others. Popular cryptocurrencies such as Bitcoin (BTC +2.87%), Ethereum (ETH +2.55%), and Cardano (ADA -2.94%) each have their own blockchain. As they don’t communicate with each other, decentralized applications (dApps) developed on Ethereum and Cardano cannot work together.
This is where Polkadot comes in. As a multichain network, it can connect multiple blockchains. Developers utilizing Polkadot can construct their own blockchains that can communicate with every other blockchain in the Polkadot network.
Interoperability creates new opportunities for Polkadot’s blockchains. For example, assume that one blockchain allows the purchase of tokenized stock. This blockchain could access the most recent stock price information from an independent blockchain.
Developers also benefit from Polkadot’s handling of transaction validation and network security. The network’s relay chain processes the transactions. This frees developers to concentrate solely on blockchain initiatives, as they won’t have to worry about creating a safe method for validating transactions.
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Trade| Comparison Dimension | Polkadot (DOT) | Ethereum (ETH + Layer 2) | Cosmos (ATOM) |
|---|---|---|---|
| Shared Security | Strong native sharing (Relay Chain secures all parachains) | No native sharing (L2s settle on L1; L1s remain isolated) | Optional sharing (Opt-in ICS; Zones run their own validators by default) |
| Cross-Chain Communication | XCM (Cross-Consensus Messaging) | Relies on third-party bridges | IBC (Inter-Blockchain Communication) |
| Architectural Flexibility | Substrate framework, highly customizable Layer 1 | EVM-compatible, focused on Layer 2 scaling | Cosmos SDK, independent sovereign AppChains |
| Resource Allocation Model | Agile Coretime (Purchase compute cores on-demand or monthly) | Gas fees (Paid in ETH) | Independent gas fees and validator costs per chain |
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