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Sway development

The Sway language is a DSL language for the Fuel blockchain VM. The language is based on Rust and includes a syntax for using a virtual machine without the verbose boilerplate. Boosty Labs is the largest Sway development outsourcing company in Europe. Its world-class fintech and cloud engineering team has a solid background of practice that combines consulting, strategy, design and engineering at scale. You can hire our Sway developers who are qualified to help with Sway development services.


Language Key Features


The Sway domain-specific language is inspired by Rust. There is a build system and package manager for Sway, similar to Cargo for Rust.


The language includes syntax which allows to leverage a blockchain virtual machine without detailed boilerplate.


The language is used to deploy a wallet on Fuel.

Language Advantages


The language is used in the development of the project interface, which is very convenient for developers.

Improving the Efficiency of the Development Process

The use of a language and a transformation engine can significantly increase the efficiency of one or another stage of the development process, since the programmer does not need to manually perform tedious work.

High Quality of the Created Product

The use of language improves the quality of the product being created: reduce the number of errors, ensure that the architecture more closely matches the requirements specification, and increase the ease of maintenance.

The Sway language is a DSL language for the Fuel blockchain VM. Fuel Labs is a startup that aims to speed up cryptocurrency transactions. Currently, many Layer 1 blockchains are gaining popularity and attracting significant investment. Despite this trend, Fuel offers a different approach to solving blockchain problems. It was conceived as a Layer 2 scaling technology and was the first optimistic rollup to launch on Ethereum in late 2020.

Now with dozens of engineers working on the project, it is billing itself as a "modular execution layer", similar to other layer two protocols. Among the advantages of the technology is smoother execution, which is achieved without compromising the decentralization and security of Ethereum.

The developers of the project define MEL as a computing system designed for a modular blockchain stack and verifiable. In their opinion, while Ethereum scaling solutions such as optimistic and zero-knowledge rollups provide some cost savings for cryptocurrency users, the increase in throughput leaves much to be desired.

The creators emphasize three key characteristics of their project: improving the developer experience with their original coding language, their own virtual machine, and the ability to perform parallel transactions.

The project does not seek to create a new network, but tries to create solutions that increase the decentralization, security and capacity of existing blockchains.

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