What is DotSama?

DotSama is a portmanteau of "Kusama" and "Polkadot", it refers to the combined ecosystems of these two blockchain networks. Kusama and Polkadot are both decentralized networks built on the blockchain technology. They are designed to offer a platform for the creation and deployment of decentralized applications (dApps) and smart contracts. Both ecosystems aim to provide a more interoperable and scalable infrastructure for decentralized applications.

Kusama is an early version of the Polkadot network and is considered a "wild west" or "canary network" for the Polkadot ecosystem. It is designed to be a testing ground for new ideas, technologies, and protocols that can later be integrated into the Polkadot network. Kusama is also a more experimental network, which means that new features and changes can be introduced more rapidly.

Polkadot, on the other hand, is a more mature network that aims to provide a multi-chain infrastructure for decentralized applications. Unlike Kusama, it is designed to be more stable and secure, making it a more suitable platform for mission-critical dApps. Polkadot also provides interoperability between different blockchain networks, allowing dApps to interact and transact with each other in a more seamless manner.

Both Kusama and Polkadot use a unique consensus mechanism called "Nominated Proof-of-Stake (NPoS)", which allows for a more democratic and decentralized way of reaching consensus on the network. This mechanism also provides an incentive system for network participants to secure the network by validating transactions and blocks.

Kusama and Polkadot also have their own native cryptocurrencies, KSM and DOT, respectively. These cryptocurrencies play a crucial role in the functioning of the networks, serving as a means of payment for transaction fees and as a form of collateral for validators to secure the network.

Simplified Example

Kusama and Polkadot are like a big neighborhood with many houses. Each house is like a different computer that can do different things, like playing games, storing information, or helping people talk to each other.

In this neighborhood, Kusama is like the playground where the kids can try out new things and have fun. They can build new houses and try new games, and if they work well, they can bring them to the bigger and more serious neighborhood, which is like Polkadot.

Polkadot is like the bigger neighborhood where all the houses can talk to each other and share things. Imagine that you have a toy that you want to share with your friend who lives in a different house. In this neighborhood, you can easily share your toy with your friend because all the houses can talk to each other.

Just like in the real world, in this neighborhood, there are rules and people who make sure everyone is following the rules. These people are called "validators", and they help keep the neighborhood safe and fair for everyone. They also get rewarded for doing a good job, just like how a good babysitter gets paid for taking care of the kids.

So, in short, Kusama and Polkadot are like a big neighborhood of houses that can do different things and talk to each other, with rules and people who make sure everything is safe and fair for everyone.

History of the Term DotSama

The term "DotSama," a portmanteau of Polkadot and Kusama, likely emerged around 2020-2021 within the cryptocurrency community as both networks gained traction. Its adoption stemmed from the need to collectively refer to these interconnected blockchain ecosystems, acknowledging their shared technology, development process, and vibrant community.


Kusama Ecosystem: Kusama is a blockchain network and ecosystem built on a substrate, a modular blockchain development framework. Kusama is designed to be a "canary network" for Polkadot, allowing developers to experiment with new technologies and protocols in a less secure environment before they are integrated into the Polkadot network. The Kusama ecosystem includes a wide range of decentralized applications (dapps), including games, exchanges, and DeFi platforms.

For example, one of the dapps in the Kusama ecosystem is a decentralized exchange (DEX) that allows users to trade assets in a trustless and decentralized manner. The DEX is built on the Kusama network, leveraging its fast transaction speeds and low fees to provide a smooth trading experience for users.

Polkadot Ecosystem: Polkadot is a multi-chain network that aims to provide interoperability between different blockchain networks. It allows different blockchains to communicate and transfer data with one another, creating a more connected and decentralized web. The Polkadot ecosystem includes a wide range of dapps, including DeFi platforms, gaming dapps, and decentralized identity solutions.

For example, one of the dapps in the Polkadot ecosystem is a DeFi platform that allows users to earn interest on their assets by lending them to others. The platform is built on the Polkadot network, leveraging its interoperability and fast transaction speeds to provide a seamless experience for users.

Interoperability between Kusama and Polkadot: The Kusama and Polkadot ecosystems are designed to be interconnected, with Kusama serving as a testbed for new technologies that may eventually be integrated into the Polkadot network. This allows developers to experiment with new ideas in a less secure environment before bringing them to the more secure and established Polkadot network. Additionally, assets and data can be transferred between the Kusama and Polkadot networks, providing greater interoperability and flexibility for users.

For example, a user might use the Kusama network to experiment with a new DeFi platform, and if the platform is successful, the user can then transfer the assets and data to the Polkadot network for a more secure and established experience.

  • Distributed Network: A distributed network in cryptocurrency refers to a decentralized system where the data, transactions, and processing power are spread across many nodes in a network, rather than being concentrated in a central location.

  • Cross-Chain: The meaning of Cross-chain refers to the ability of two or more different blockchain networks to exchange or share data and assets, enabling interoperability between them.