We’re on a mission to
stop liars.

Leverage the blockchain to stamp digital files that can’t be tampered with, faked, or forged.
What we can do

Access the security offered by blockchain without needing wallets

Powerful credential authorship tools and decentralized file hosting

Easy to use verification tools for stamped files

Learning Credentials.

Create verifiable diplomas, transcripts, certificates, badges, and more in seconds.

Supply chain data.

Create authentic manifests, bills of lading, and other documents.

Identity Management

Create certified IDs that can’t be forged or faked.

Our innovative software is backed by a combination of traditional web and blockchain technology to create certified digital files that are:

  • Easy-to-use
  • Inexpensive
  • Secure against tampering and fraud
  • Verifiable
  • Shareable or Private (we are LinkedIn compatible)
  • Immutable (backed by the Base blockchain)
  • Integrated into your current workflow

Private Label Solution

Issue and authenticate certified digital files from a fully customized, private label site for your organization. Setup can be done in days and issuing certified files takes minutes after that.

API Solution

Gain access to the Chainletter API and use it to create your own fully-customizable authenticated file experience.

Demonstrate Innovation

Transcripts, reports, identification etc. can be issued and confirmed digitally. Move on from paper.

Public or Private

Issue private digital files (transcripts, IDs) or publicly visible ones (diplomas, badges).

Start creating certified digital files

Our Technology Advantage

The combination of Coinbase Base with our proprietary Layer 3 provides the most reliable, low fee, fast, scalable, green solution.

Speed & Efficiency

Two years in the making, our application and API provides an easy user experience that eliminates previous challenges of leveraging the blockchain.

Ease of Use

Chainletter is in production, stamping to the blockchain, and able to handle millions of transactions.

Production Ready & Scalable

Start creating verifiable durable files today.

Sign up for our demo or reach out to learn more!
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Start creating certified digital files

Our Team

I am a marketer and a technologist. I am the founder of Booksie.com, a publishing platform used by hundreds of thousands of writers and millions of readers.

Sol Nasisi

I am a Navy veteran (special ops/ EOD) with 15+ years of experience in leadership, operations and strategy, and project management.

Jo Unruh

· I’m a programmer with over 15 years experience in the industry. I’m passionate about where blockchain can take us but I’d like to see it be more accessible to the average person and practical to industry!

Nick Tantillo