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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 Cartesi?

Develop smart contracts using widely adopted software frameworks to transition from Solidity into the broader landscape of software tools on Linux, marking a significant step forward. This shift enables exceptional computational scalability, facilitates access to large datasets, and guarantees low transaction fees, all while preserving the robust security features inherent to Ethereum. Whether for gaming platforms that protect player data or corporate solutions managing sensitive information, your decentralized applications can effectively safeguard user privacy. Descartes performs extensive computations off-chain by utilizing a Linux virtual machine governed entirely by a smart contract, ensuring efficiency and reliability. The results of these computations are validated and enforced on-chain by trustworthy Descartes node operators, thus maintaining the strong security guarantees offered by the underlying blockchain. By successfully addressing Ethereum’s scalability limitations, you can realize computational efficiencies that far exceed previous benchmarks, all while upholding the blockchain’s security integrity. This progression not only improves the user experience but also expands the array of possible applications for decentralized technologies, opening new avenues for innovation and collaboration. As the technology evolves, it paves the way for more sophisticated and diverse decentralized applications, further enriching the ecosystem.

Media

Media

Integrations Supported

Ethereum

Integrations Supported

Ethereum
1inch
Binance
Bithumb
Changelly
Crypto.com
Delta
Gate.io
HTX
IDEX
Knit
Kraken
Messari
MyCrypto
NGINX
NOWPayments
QuickSwap
WazirX
coinone

API Availability

API Availability

Pricing Information

Free
Free Version

Pricing Information

Pricing not provided

Supported Platforms

Windows
Mac
Linux

Supported Platforms

SaaS
Linux

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

Cartesi

Date Founded

2018

Company Website

cartesi.io

Categories and Features

Fuzz Testing

Not specified

Categories and Features

Blockchain

Not specified

Layer 2 Protocols

Not specified

Smart Contract

Not specified

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