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Crypto Signature Verification Tool

Crypto Signature Verification Tool is a Windows application that checks Ethereum and Solana message or transaction signatures against a public key or address, with ECDSA and Ed25519 support.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Crypto Signature Verification Tool — OpenViST project profile in Security & Custody.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use it when you have the signed data, signature, and corresponding public key or address and need a verification result, including for multiple signatures.

Who it is for

  • Developers checking signed Ethereum or Solana data
  • Security researchers reviewing signatures or transactions

Documented uses

  • Verify a signed message or transaction
  • Check a signature against a public key or address
  • Batch-check signatures and export results
Before you choose

Requirements & limits

The README lists Windows 10 and Windows 11 and directs users to an external archive download. It instructs users to extract the archive and run the executable as Administrator. The public GitHub repository specifies an MIT license.

  • The README lists Ethereum and Solana, with ECDSA and Ed25519 support.
  • Batch verification and report export are listed for users handling multiple checks.
  • Network access is described as optional for network verification.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Verify a message or transaction signature

Check an Ethereum or Solana signature against its message or transaction data and public key or address.

Before you start

  • Windows 10 or Windows 11
  • Message or transaction data, signature, and public key or address
  • Internet connection only if using network verification

Steps

  1. Download and extract the archive using the password stated in the README.

  2. Run Signature_Verification_Tool.exe as Administrator.

  3. Select the blockchain and algorithm, then enter the message or transaction data, signature, and public key or address.

  4. Choose Verify and review the verification report.

Expected outcome

A verification result and report for the supplied signature.

Guide limitations

  • The README describes network access as optional for network verification.
  • These steps reflect the repository instructions and are not an independent test of the application or download.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
Active
Sources checked
14 October 2026
Original website title
heavyguinea/Crypto-Signature-Verification-Tool · Official homepage title · retained in its source language
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