Expanding Stellar Horizons: Exploring DeFi Innovations with Polkadot

Introducing Polkadot to the Stellar community

5 min readMay 17, 2024


The introduction of the Spacewalk bridge marks a key development, bridging Polkadot’s extensive capabilities with Stellar’s efficient transaction and scaling solutions. This offers a gateway for Stellar users to explore the vast possibilities within Polkadot’s ecosystem.

Here, we explore how Stellar, enhanced by the innovative Spacewalk bridge, can enrich the Polkadot ecosystem with its unique features.

Polkadot’s Architecture: A Modular Approach

Polkadot’s architecture is designed to offer scalability, upgradability, and interoperability, which are the main challenges in blockchain systems. At its foundation lies the relay chain, Polkadot’s main blockchain that coordinates the system, ensures security, and manages the consensus protocol.

Surrounding this are parachains — sovereign blockchains that can have their own tokens and be optimized for specific use cases. These parachains connect to the relay chain, leveraging its security and communicative capabilities while operating independently.

This modular setup enhances the efficiency of the network and allows for specialized solutions that cater to varied blockchain applications.

The Role of Spacewalk in Polkadot x Stellar Integration

Polkadot’s framework is designed for seamless interoperability, a feature the Stellar community can leverage significantly. Through the Spacewalk bridge, Stellar users gain access to Polkadot’s expansive DeFi ecosystem, allowing for more diverse investment and participation opportunities.

Spacewalk acts as a decentralized, trust-minimized bridge that connects Stellar and Polkadot, allowing for the efficient transfer of assets between the two ecosystems. This facilitates the movement of Stellar’s native tokens and other digital assets into Polkadot’s DeFi space and enhances the functional scope of smart contracts and complex operations across the networks.

With Spacewalk, Stellar’s assets can be utilized in Polkadot’s diverse range of applications, significantly broadening the utility and reach of Stellar’s stablecoins and other tokens.

Pendulum’s Role: Bridging Fiat and DeFi

Pendulum is a Forex infrastructure blockchain built on Polkadot to connect traditional finance (fiat currencies) with the world of DeFi. With the Spacewalk bridge, Pendulum provides the infrastructure to securely transfer assets between Stellar and Polkadot, including various fiat-backed stablecoins and cryptocurrencies. Stellar provides a secure foundation for building innovative applications directly interacting with real-world currencies. This opens up a new realm of potential for Polkadot projects.

Unique Features of Pendulum

With Stellar’s stablecoins, Pendulum is building several distinctive features into the Polkadot ecosystem:

  • Forex DEX powered by Nabla: Effortlessly swap between fiat-pegged stablecoins directly with low fees on a specialized Forex DEX.
  • Fiat-Stablecoin Yield Farming: Explore yield-generation opportunities that are less volatile than traditional crypto yields, anchored by the stability of fiat-pegged assets.
  • Seamless Cross-Border Payments: Facilitate frictionless, cost-efficient cross-border transactions for individuals and businesses.
  • On- & Off-Ramps for DeFi: Provide easier gateways for users to enter and exit Polkaodt DeFi to and from their fiat bank in a few clicks.

Use Cases and Applications

For the Stellar community exploring Polkadot, there are numerous practical applications.

Polkadot hosts a variety of DeFi platforms that offer lending, staking, and yield farming, which Stellar users could utilize to maximize their returns.

Innovative projects on Polkadot such as cross-chain NFT marketplaces like KodaDot and decentralized identity services like Litentry can provide Stellar users with new ways to engage with digital assets securely.

These applications not only broaden the scope of financial activities possible within the Stellar ecosystem but also introduce Stellar users to advanced blockchain functionalities like on-chain governance, substrate-based dApp development, and crowdloan funding mechanisms, further enriching the user experience and investment potential.

How the Stellar Community Benefits

Stellar users stand to benefit significantly from engaging with Polkadot’s ecosystem. By leveraging Polkadot’s advanced cross-chain communication capabilities, Stellar community members can participate in broader financial markets and access new DeFi tools that were previously unreachable. This includes participating in liquidity pools, engaging in multi-chain governance, and exploring enhanced security features.

Additionally, the integration with Polkadot via the Spacewalk bridge facilitates lower transaction costs and faster processing times, which are crucial for business scalability and efficiency.

This opens up new pathways for growth and innovation within the Stellar community, enhancing their blockchain experience.


Polkadot’s innovative technology offers the Stellar community a gateway to an expanded blockchain universe. By embracing Polkadot’s interoperable and scalable platform, Stellar users can access a diverse range of applications and services that drive both personal and community growth.

The Spacewalk bridge, in particular, symbolizes a step towards a more interconnected blockchain ecosystem, where the seamless exchange of assets and information becomes the norm, not the exception. For those in the Stellar community looking to explore this vibrant network, now is an opportune time to dive in.

To discover more about how Spacewalk enhances the Polkadot x Stellar ecosystem, join the conversation by visiting the Pendulum community.

About Spacewalk

The Spacewalk bridge will combine both Stellar and InterBTC innovations to begin a new era of trust-minimized bridges in blockchain. This high level of decentralization, security and trustlessness can help Pendulum become the missing link between fintech fiat services and DeFi.

About Pendulum

Building the missing link between fiat and DeFi through a fiat-optimized smart contract blockchain based on Polkadot’s Substrate. Allowing traditional finance fiat services to integrate with DeFi applications such as specialized forex AMMs, lending protocols, or yield farming opportunities. Developed by SatoshiPay.

Keep your eyes on the Pendulum!

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Traditional finance infrastructure blockchain. The missing link between fiat and DeFi. Limitless fiat. Decentralized future.