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ease
features
design
support

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Write a Review

Description

Echidna is a Haskell-based tool created for fuzzing and property-based testing of Ethereum smart contracts. It employs advanced grammar-driven fuzzing strategies that leverage a contract's ABI to challenge user-defined predicates or Solidity assertions. Designed with a focus on modularity, Echidna allows for easy extensions to incorporate new mutations or to target specific contracts under particular conditions. The tool generates inputs that are specifically adapted to your existing codebase, and it offers optional features for corpus collection, mutation, and coverage guidance to uncover more elusive bugs. It utilizes Slither to extract critical information prior to launching the fuzzing process, ensuring a more effective campaign. With source code integration, Echidna can pinpoint which lines of code are exercised during testing, and it provides an interactive terminal UI along with text-only or JSON output formats. Additionally, it includes automatic test case minimization for efficient triage and integrates seamlessly into the development workflow. The tool also reports maximum gas usage during fuzzing activities and supports complex contract initialization through Etheno and Truffle, enhancing its usability for developers. Ultimately, Echidna stands out as a robust solution for ensuring the reliability and security of Ethereum smart contracts.

Description

Verid is an API designed for developers that focuses on monitoring webpage changes through structured data rather than relying on screenshots. It alerts users only when specific fields of interest change, such as price or stock status, by triggering a webhook based on customizable conditions. This approach emphasizes state monitoring over visual comparisons, offering features like structured data extraction, persistent state tracking, field-specific differences, and condition-based notifications all within a single workflow. Each monitoring instance operates according to a schedule defined via a comprehensive REST API that conforms to the OpenAPI 3.1 specification, allowing teams to manage configurations while Verid handles the backend infrastructure. The process comprises five distinct stages: fetching, extracting, differentiating, assessing predicates, and delivering results. Verid initially employs a static fetch method but can seamlessly switch to a headless browser when necessary, and if challenges arise, it can further adapt by using a residential proxy for enhanced access. This flexibility ensures that users can effectively monitor any webpage regardless of its complexity.

API Access

Has API No 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

Integrations

JSON Yes 
CSS No 
CoinGecko No 
Discord No 
Docker Yes 
Etheno Yes 
Ethereum Yes 
GitHub Yes 
Haskell Yes 
Homebrew Yes 
Nix Yes 
Node.js No 
Slack No 
Solidity Yes 

Integrations

JSON Yes 
CSS Yes 
CoinGecko Yes 
Discord Yes 
Docker No 
Etheno No 
Ethereum No 
GitHub No 
Haskell No 
Homebrew No 
Nix No 
Node.js Yes 
Slack Yes 
Solidity No 

Pricing Details

Free
Free Trial No 
Free Version Yes 

Pricing Details

$19 per month
Free Trial No 
Free Version Yes 

Deployment

Web-Based No 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows Yes 
Mac Yes 
Linux Yes 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

Crytic

Website

github.com/crytic/echidna

Vendor Details

Company Name

Verid

Country

United States

Website

verid.dev/

Product Features

Product Features

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