Tech Bureau Holdings, Corp., fintech and cryptocurrency group companies in Japan, the U.S., and Europe, develop software and services for cryptocurrency technology and blockchain technology, a so-called "Crypto-Fintech Lab". As a team and as a group, we have developed mijin, a private blockchain software. Tech Bureau Holdings, Corp. recently launched a one-stop solution, COMSA, which provides companies with consultation, expertise, and solutions to support their very own ICOs and implementations of blockchain technology into their businesses.