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March 13, 2024

SKALE: Crafting the AppChain Future from Day One

SKALE Network

The Industry Is Moving to the AppChain Model - The SKALE Model

The blockchain industry is rapidly embracing horizontal scaling solutions as the best way to address the blockchain trilemma, balancing scalability with security and decentralization. This shift towards AppChains is finally providing a scalable and efficient blockchain solution while upholding the core Ethereum principles of security and decentralization.

Since its launch in 2019, SKALE has been at the forefront of this shift, offering a AppChain scaling solution for applications building on Ethereum. Built with a mulitchain architecture from the start, SKALE has consistently adhered to its original vision, focusing on providing scalable, secure, and decentralized solutions. While other platforms may have shifted their focus over time, SKALE has steadfastly waited for the industry to recognize the value of AppChain scaling.

Redefining Blockchain Scalability with AppChains

The AppChain concept, introduced by SKALE, represents a transformative approach to blockchain scalability. At its core, an AppChain is a dedicated blockchain customized for a specific application. This is a game-changer for developers seeking scalability without compromising on performance, security, or decentralization.

For new applications looking to build on blockchain, AppChains offer a realm of possibilities. Unlike public blockchains like Ethereum, where applications must share network resources and adhere to predefined chain parameters, AppChains provide a personalized environment. This means new applications can launch on a blockchain tailored to their specific needs, ensuring they have the necessary resources and custom settings right from the start.

Existing applications considering migration from public blockchains can also greatly benefit from AppChains. They can move from a congested and rigid environment to one that offers limitless scalability and customization. This shift can unlock their growth potential, allowing them to expand and evolve without being hindered by network limitations or one-size-fits-all chain parameters.

SKALE’s Visionary Approach to AppChains

Unlike traditional Layer 2 solutions, which often focus on off-chain scaling or sidechains, SKALE introduces a unique concept.

SKALE is a network of blockchains designed to offer scalable and efficient solutions for developers building Ethereum-compatible applications. Developers can spin up their own dedicated AppChain, known as SKALE Chain, which operates as an individual blockchain, but is still interconnected to all other SKALE chains via the SKALE Bridge. SKALE chains are fully customizable and can be optimized to meet the specific needs of different applications, whether they are Web3 games, AI applications, DeFi protocols, or Enterprise-specific apps. 

For dApps that don't need full blockchain resources to themselves, SKALE introduces Hub Chains. These Hub Chains group similar-purpose dApps together, streamlining the onboarding process and preventing the ecosystem from becoming fragmented. SKALE features four specialized Hub Chains: Europa for DeFi and as a liquidity hub, Nebula for gaming, Titan for AI-focused applications, and Calypso for other kinds of innovative apps.

The Key features of a SKALE Chain

High-Performance and Low Latency

SKALE Chains are designed for high throughput and low transaction finality times, making them ideal for applications that demand quick and efficient processing. With a transaction per second (TPS) rate of 397.7 and a transaction finality time (TTF) of just 1.46 seconds, as noted in a Dartmouth Blockchain study, SKALE Chains are well-suited for a wide range of apps, from real-time gaming to complex financial transactions.

Zero Gas Fees

SKALE stands out with its user-centric approach, eliminating traditional gas fees. Instead, it introduces a flat subscription model where developers, protocols, or enterprises can start a SKALE chain by paying a monthly fee that offset users’ gas fees. This model is especially beneficial for applications with high transaction volumes, significantly reducing operational costs.

Enhanced Security with Shared Network Model

SKALE provides a unique security model by combining individual chain performance with a shared security network. This setup allows validator nodes to operate on multiple chains simultaneously, with random assignment and frequent rotation. This dynamic structure significantly bolsters the network's defense against collusion and security breaches, ensuring solid protection for all applications on the SKALE Network.

Instant Finality and MEV Protection

A key feature of SKALE Chains is the assurance of instant finality for all transactions, effectively addressing issues like Maximum Extractable Value (MEV), time bandit attacks, and chain reorganizations. This feature is crucial for maintaining the integrity of transactions and preventing the common challenges faced by earlier generation blockchains due to latency and slow finality.

SKALE's early adoption and continuous development of the AppChain model have established it as a leader in this space. While other platforms are exploring similar concepts, SKALE's AppChain model has already been proven in the market. With over 259M transactions processed and almost 10M unique wallets, SKALE has demonstrated its ability to meet the diverse and evolving needs of applications in the blockchain ecosystem.

Successful Apps Are Building on SKALE Chains

SKALE Chains have provided the blockchain infrastructure that has been instrumental in the success of various decentralized applications, each leveraging the network's capabilities to enhance their performance and user experience.


This app gathers and analyzes public content from all over the world, processing the data on IPFS and archiving it on Filecoin. Exorde performs a massive number of URL requests on-chain through AI bots. Thanks to SKALE's zero gas fee model, Exorde can execute these transactions at no cost.


StrayShot is a next-gen third-person shooter game where users grow their in-game reputation as they earn points through online matches. For gaming applications like Strayshot, SKALE's zero gas fee environment and high transaction speeds have been game-changers enabling  a seamless and cost-effective gaming experience.

Nebula Hub

The Nebula Hub stands out as a community-led SKALE Chain dedicated to gaming. It's a thriving ecosystem where successful games like motoDEX, 5TARS, and Yomi have found a home. The Nebula Hub facilitates a shared environment that enhances performance and player experience, showcasing the power of collective development and support within the SKALE network.

Embracing the AppChain Future with SKALE

As the blockchain industry continues to evolve towards a AppChain future, SKALE stands out as a pioneering force. Its early adoption and continuous development of the AppChain model have positioned it as a leader in this space.

For developers and businesses looking to harness the power of web3, SKALE offers an advanced, scalable, and efficient platform. Its AppChain capabilities are not just a testament to SKALE's innovative spirit but also a solid foundation for building the decentralized applications of tomorrow. Embracing SKALE's AppChain ecosystem means tapping into a future-proof, versatile, and robust blockchain network.


SKALE is the world's fastest blockchain, designed for secure Ethereum scaling. SKALE Appchains provide ZERO gas fees to end-users and have advanced features such as AI/ML smart contracts, on-chain file storage, interchain messaging, and zero-cost minting. SKALE enables developers to deploy their own configurable EVM blockchain in minutes without sacrificing speed, security, or decentralization.

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