Jelurida Ecosystem and Ardor’s L2 to L3 Transition: The Leading Way of Child-Mother Chain Architecture

On September 17, 2022, Vitalik, the founder of Ethereum, published an article titled "What is Layer-3", triggering an in-depth discussion about the expansion of the public chain. Ethereum has recently completed the transition from a POW mechanism to a POS mechanism. At the same time, many L1 and L2 projects are being developed and launched. Now there is discussion about L3. These new expansion layers are dazzling, and L3 has already appeared before you can fully experience L2.

The main difference between L3 (third layer) and L2 (second layer) lies in the different aspects of focus. L2 focuses more on performance expansion, while L3 focuses more on providing customized applications for different scenarios, such as privacy protection and enterprise-level blockchain and other specific services. These "visions" are reminiscent of the Ardor public chain architecture that has been practiced on application chains for a long time.

What is Ardor?

Ardor is a decentralized POS consensus public chain platform that adopts a unique child-parent chain architecture design. In this architecture, the parent chain is responsible for network security and transaction processing, while each sub-chain is responsible for different applications, forming an actual "application chain". The Ardor team believes that this hybrid user permissions feature is key to increasing the adoption of blockchain technology. Through this design, Ardor is able to meet the needs of different users, providing a combination of security and flexibility. This makes Ardor a comprehensive blockchain platform that can support the development and implementation of various applications. At the same time, the POS consensus mechanism makes Ardor more environmentally friendly and energy efficient, making it a sustainable development choice. In short, Ardor’s parent-child chain architecture and POS consensus mechanism give it unique advantages in the blockchain field and is expected to become an important platform for mainstream adoption.

At the time of release on January 1, 2018, Ardor had implemented a functional multi-chain architecture. The architecture decouples the consensus security of the parent chain from the native tokens of multiple child chains. Through a unique bundling feature, users can choose to pay transaction fees in child chain tokens, sponsored by the bundler. At the same time, Ardor further enhances its functionality through the blockchain-as-a-service functionality provided by custom subchains. This enables unique hybrid permissioned subchains. In addition, the Ardor team has developed a lightweight contract framework that allows transaction automation using stateless contracts deployed on the Ignis subchain. Recently, after months of development and testing, the Jelurida team successfully implemented an important component of Ardor's functionality - a solution to the blockchain bloat problem, namely the snapshot and pruning functionality. The introduction of this feature brings greater efficiency and scalability to Ardor.

Compared with all other blockchains, the Ardor parent-child chain architecture has three basic advantages. These advantages include:

Sub-chains on the Ardor parent chain have their own native tokens that can be used to pay for all transaction fees and other out-of-the-box features.

Since all sub-chains are connected to each other and share source code, the system maintains interoperability. This means that tokens running on one subchain can be traded with tokens running on another subchain.

Blockchain bloat can be solved by "pruning" unnecessary sub-chain data.

Jelurida Ecosystem

Jelurida is a blockchain software company headquartered in Switzerland. It has been steadily building blockchain ecosystem solutions since 2013. Jelurida's team has been developing new technology solutions to address some of the many challenges associated with emerging technologies. Currently, Jelurida develops and maintains the Ardor, Ignis, and Nxt blockchains, which together form the Jelurida ecosystem. Ignis is a fully functional low-fee subchain on Ardor, while Nxt is a universal framework for the ongoing transformation of blockchain technology.

The Jerulida ecosystem has already demonstrated several real-world applications thanks to its interoperable platform and proof-of-stake protocol. First, it is already involved in a number of Austrian government-funded projects such as Cycle4Value, TreeCycle and HotCity. All three projects rely on the Jelurida ecosystem’s PoS protocol and multi-chain platform. For example, Cycle4Value utilizes a PoS protocol to reward its users for cycling. This innovative decentralized project helps position Jelurida as a one-stop solution surrounding traditional blockchain problems.

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