Q.E.D. Co.


About Q.E.D. Co.


More Info on Q.E.D. Co.

Q.E.D.’s founders invented digital currency enabled vending machines in 2012 and their pioneering role was recognized by Coindesk in 2014. The patented IP is licensed by Critical Technologies Inc., advancing identity, anonymity and attestation-oriented security technologies for military and commercial applications, and by Upstate Networks Inc., offering custom hardware implementations for vending, customer loyalty programs, and AI markets. Q.E.D. assists global OEMs with products and services for integrating distributed ledger technologies for un-/semi-attended transactions.

Products and Press Releases

Upstate Networks
Plum Out Front Large
Product Guide

Payment Layer for Unattended Merchandising (PLUM)

July 5, 2022
Quotidian Engineering and Development Corp. (Q.E.D. Co.) have released the first PLUM based products, integrating blockchain, cryptocurrency (e.g., Bitcoin, Ethereum, ERC-20 tokens...