In May 2016, the USA International Covenant INC invested in James Blockchain Technology. In 2018, USA International Covenant INC and James’s technical team jointly established a core research group on blockchain technology. It took two years to build the NGK Blockchain 3.0, and created the STO through blockchain to issue its own blockchain’s native token, USDN, with relevant institutions as the effective supervision of tokens. The USA International Covenant INC endorses with eight major sectors. The STO model connects the blockchain financial market and the traditional capital market, while the blockchain token connects the real economy.