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What is hevm?

The hevm project is a specialized version of the Ethereum Virtual Machine (EVM) that focuses on symbolic execution, unit testing, and the debugging of smart contracts. Developed by DappHub, it works flawlessly with the tools provided by the same creators. The hevm command line interface allows users to execute smart contracts symbolically, perform unit tests, and interactively debug contracts while showing the corresponding Solidity source code, as well as execute any arbitrary EVM code. It enables calculations to be performed either using a local state set up within a testing framework or by accessing live networks through RPC calls. Users can start symbolic execution with defined parameters to find assertion violations and have the flexibility to customize certain function signature arguments while leaving others as abstract. Importantly, hevm employs an eager approach to symbolic execution, aiming to investigate all branches of the program right from the outset. This thorough methodology significantly improves the reliability and robustness of the processes involved in smart contract development and testing. Moreover, the integration of hevm with other DappHub tools enhances the overall development experience for blockchain developers.

What is BitcoinOS?

BitcoinOS (BOS) is an adaptable, open-source framework for smart contracts that seeks to enhance Bitcoin's functionality through improved scalability, interoperability, and programmability, all while maintaining the core principles of its foundational layer. Utilizing zero-knowledge (ZK) proofs with the BitSNARK protocol, BOS facilitates the execution of smart contracts directly on Bitcoin's mainnet, paving the way for the creation of decentralized applications (dApps), decentralized finance (DeFi) solutions, and efficient cross-chain operations. The structure of BitcoinOS is divided into three separate layers: the fundamental Bitcoin Core layer, an execution layer that optimizes and consolidates transactions, and a computational layer featuring interoperable rollups known as Execution Environment Modules (EEMs). These EEMs are engineered to support various virtual machines, such as the Ethereum Virtual Machine (EVM) and those built on Rust, granting developers the flexibility to use multiple programming languages in their applications. This pioneering methodology not only expands the potential of the Bitcoin network but also cultivates a more interconnected ecosystem that encourages collaboration among developers and users, ultimately enriching the overall user experience. As BOS continues to evolve, it promises to further bridge the gap between traditional finance and innovative blockchain solutions.

Media

Media

Integrations Supported

Ethereum
Solidity

Integrations Supported

Ethereum
Arbitrum
BIMA
Bitcoin
Cardano
MODE
Merlin Chain
Rust
Sovryn
aeternity

API Availability

API Availability

Pricing Information

Free
Free Version

Pricing Information

Free
Free Version

Supported Platforms

Windows
Mac
Linux

Supported Platforms

SaaS

Customer Service / Support

Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

DappHub

Company Website

github.com/dapphub/dapptools/blob/master/src/hevm/README.md

Company Facts

Organization Name

BitcoinOS

Company Location

United States

Company Website

bitcoinos.build/

Categories and Features

Fuzz Testing

Not specified

Categories and Features

Blockchain

Not specified

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