Parachain Slots

Blockchains that break down walls.

Parachains are Kusama’s advanced, next-generation blockchains that bring several breakthroughs compared to legacy networks. Together they form the Kusama ecosystem, an interconnected network of specialized chains breaking down the walls of the centralized web.

Open possibilities for Web3 builders.

While other blockchain networks only allow developers to build dapps using smart contracts, Kusama gives them full control over the underlying blockchain itself. This flexibility gives parachain developers the maximum freedom to optimize for specific use cases — which means better and more secure dapps and services for all.

Legacy blockchains
1-size-fits-none

A single, limiting design for the entire network. No ability to optimize for specific use cases, so compromises and tradeoffs must be made.

Parachains
Specialized

Parachains are specialized for a multitude of use cases, enabling more optimized services and thriving, multifaceted economies.

Legacy blockchains
Isolated

Most blockchains are like walled gardens, cut off from each other and unable to communicate, prohibiting the free flow of data and commerce.

Parachains
Interconnected

Parachains are a rich, interconnected ecosystem where data flows freely between chains, leading to innovative new interoperable services.

Legacy blockchains
Limited scalability

Transactions are processed one-by-one, leading to bottlenecks, network congestion and high fees when dapp usage spikes.

Parachains
Scalable

Parachains process transactions “in parallel”, spreading them across the entire multichain network for maximum scalability.

Legacy blockchains
Difficult to
upgrade

Like all software, blockchains need periodic upgrades to stay relevant. Upgrading most blockchains is painstaking, making them slow to evolve and respond as new technology becomes available.

Parachains
Seamless on-chain
upgrades

Kusama makes upgrading a blockchain more like upgrading a conventional app, with the ability to make most updates seamlessly and automatically in the background.

Legacy blockchains
No financial agency

Legacy blockchains are dependent on centralized organizations to finance activities that benefit the network, and communities as a whole have no financial agency.

Parachains
On-chain treasuries

Parachains can leverage on-chain treasuries, giving decentralized communities the financial agency once limited to corporations and governments.

Legacy blockchains
No clear decision
making

Most blockchains have no formal governance procedures. Individual stakeholders are often powerless to propose changes, with decisions made by opaque groups of insiders.

Parachains
Built-in, customizable
governance

Parachains can leverage Kusama’s built-in, transparent governance features or create their own to implement the system that’s best for their community.

Legacy blockchains
Difficult and costly
to secure

Securing blockchains requires a massive amount of resources, creating a significant barrier to entry for new chains and leading to competition for scarce resources between chains.

Parachains
Built-in
security

Parachains get robust security automatically when they connect to Kusama—no need to bootstrap their own network of miners or validators.

Legacy blockchains
Difficult and costly to
build and maintain

Building a conventional blockchain typically takes years of hard work and large teams of experts. Maintenance is costly and time consuming.

Parachains
Streamlined development with Substrate

Parachains can use the Substrate blockchain framework to drastically simplify and speed up development and maintenance.

Legacy blockchains
High, unpredictable
transaction fees

Fees on blockchains are often unpredictable, fluctuating based on short-term network usage and congestion.

Parachains
Low, transparent
fees

Transaction fees are known in advance and fee structures can be customized by parachain teams. Users can pay fees in the parachain’s native token.

Legacy blockchains
Limited transaction
types

Blockchains and smart contracts are typically limited to a few basic transaction types, like sending funds or triggering a contract. Transactions between chains are limited and often mediated by centralized services.

Parachains
Any type of
data

Kusama allows any type of data to be sent between dapps and parachains, creating an interoperable internet of blockchains and opening the door to a host of innovative new services.

Welcome to the paraverse.

From DeFi to identity and supply chain, gaming and NFTs, IoT, DAOs, and more, parachains can be built for any use case. They can also take on various forms depending on their intended function, including:

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Independent token economies
Parachains with their own tokens, fee structures, and economic ecosystems.
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Smart contract parachains
Platforms for hosting smart contract based dapps and services.
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System Chains
Designed for the benefit of the entire Kusama ecosystem, system chains typically use the network’s native token, KSM.
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Bridges
Bridges allow Kusama parachains to connect to external networks like Polkadot, Bitcoin and Ethereum.
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Agile Coretime
Choose how to use Kusama security and interoperability based on your needs. Reserve time on a Kusama core by buying Coretime in bulk or as you go.

Parachains as autonomous agents

Parachains can act autonomously based on the will of their communities to participate in Kusama governance and allocate on-chain treasuries. This opens the door to new decentralized funding models, from project funding to decentralized sovereign wealth funds and even cross-chain mergers and acquisitions.

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Parachains as digital nation states

With their own communities, rules, economies, governance, treasuries, and relationships with external chains, parachains are akin to decentralized digital nations. Kusama allows them to come together, communicate and share security guarantees for the betterment of the entire ecosystem.

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This bird breaks down walls.
Parachain launch NFTs

Three limited edition NFTs were created to celebrate the launch of Kusama parachains. Representing three interpretations of the Kusama canary by Berlin street artists Awer, Vidam and Andreas Preis, the paintings were created on a section of the Berlin wall now used as an open canvas for free artistic expression. The collection was limited to 9,999 NFTs, which have already been claimed.

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