Which is?

Do you need to disclose a file, but do not want it copied?

Do you want to preserve the evidence of a damaging comment posted about you?

Do you want to send a song letter to be recorded?

Distributed registration arrived: simple and free *

Features HashCool

phone

Files registered in

Blockchain

Secure registration does not have to be expensive nor complicated. Here you do everything instantly and do not even have to pay anything (Check out our plans, one is for you)

Easy and

Fast

Just install the browser extension, make your registration and register your files in off-chain & blockchain

Effective

Documentation

We hope you do not have to use it, but once you have registered, we will send you a certificate to support any legal action or contract signature

Version for integration

RESTful API

Does your company need to record information immutable? Get to know HashBusiness. Our API for integration.

Why HashCool?

Democratization of

Blockchain

Blockchain is a too important tool to be restricted to a few users. HashCool arrived to end the limitations and help you to participate in this world without borders.

Digitally

signed

It's not because you published it, it ceased to be yours. Subscribe your content before publishing to ensure its authorship.

You in

control

Expand the dissemination of your content, maintaining control over access, using shortened and customizable links.

Magic of

API

Invent: we support. Our role is to offer registration in Blockchain. We want you to invent and develop many other products. To make your life easier, use our API and be happy.

Make your first registration in blockchain right now!

How many times have you seen your text reproduced without your permission? Surely he thought of giving an idea, but feared it would be copied. Your videos and images make a huge success, but you do not earn anything from it because you could not demonstrate the authorship.

Install the app or extension for Chrome and get started right away. It's free!*

*Free limited registrations with HashCool app or extension in the free plan.

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Our plans

BASIC

  • Free!

  • Use through the HashCool extension
  • Exclusive use by individuals
  • 5 records per month
  • Register documents, URLs and more
  • PDF certificate with digitally signed Content Proof Screenshots

PREMIUM

  • R$19,90

    A MONTH

  • Use through the HashCool extension
  • Exclusive use by individuals
  • 100 records per month
  • Register documents, URLs and more
  • PDF certificate with digitally signed Content Proof Screenshots

RESTFULL API

  • Contact Us

  • Exclusive use of legal entity
  • Automate your records
  • Customizable transaction limits
  • High Availability Servers
  • Possibility of registration in JSON format
  • Registration in off-chain & blockchain
  • Block explorer in white label format for your company