Decoded by Rosetta Technologies

A book series that explains checks, one subject at a time

Each Decoded book takes one part of the check system and explains it in plain terms for the people who run it every day. The series keeps growing, and every book will be a free PDF.

Coming soon

See the books All of Check Intelligence
Three bound books with navy covers engraved in copper line work, standing on an oak desk behind a printed check and a brass loupe, lit by a warm desk lamp
The series

The books, and who they are for

MICR Check Printing and Check Fraud Prevention are written for the teams that write checks. Official Checks is written for the banks and credit unions that issue them. More titles are on the way.

Coming soonFor accounts payable and finance managers

MICR Check Printing: Decoded by Rosetta Technologies

How the MICR line works, why banks reject checks, and how to print checks that clear the first time.

Coming soonFor accounts payable, finance and treasury teams

Check Fraud Prevention: Decoded by Rosetta Technologies

How check fraud happens, what it can cost the company that wrote the check, and the controls that stop it.

Coming soonFor bank and credit union operations

Official Checks: Decoded by Rosetta Technologies

Cashier's checks and teller's checks: what makes a check official, and how branches print and control them.

How every book works

Plain explanation first, products second

The subject, explained

The first part of every book explains its subject without selling anything: the standards, the numbers and the way the work is actually done.

Where Rosetta Technologies fits

The later parts show how Rosetta Technologies printers, software and supplies handle the work the first part describes.

Free to read

Each book will be a free PDF, sized for US Letter, so it can be read on screen or printed for the team.

Until the first book is ready

Start with the guides

What is MICR?

The technology, and why a check gets rejected without it.

How to print checks

From blank safety stock to an item that clears.

The MICR quality checklist

Eleven checks to run on your own output before the bank does.
Get in touch

Ask for a Decoded book when it is ready

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Cover of The State of the U.S. Check Market, 2027
Free market report

The State of the U.S. Check Market, 2027

9.2 billion checks moved $24.45 trillion in 2024. What the federal data shows, and what it means for printing, fraud and clearing through 2027.

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