

K4 Security gathers excellent software engineers to study various technologies and products that make humans more convenient by fusing technologies in each field such as blockchain, big data, IoT , security technologies, the core technologies of the 4th Industrial Revolution, various innovation systems of companies are researched and applied to the industry.
k4SECURITY | |
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CEO | Ryan KC Park |
What we do | Engineering , Technology Research and Development Solution Development and Supply Corporate Research Institute |
Address | Seoul, Guro-gu, 243 Digital-Ro, G-high city 1301 (zip code: 08382) T. +82 1644 8384 F. +82 050-4259 -3525 E. contact@k4-security.com |
Global No.1 Company in the field of blockchain based security
We make our members happy through rewards for their efforts and the pleasure of working, and we make people happy and contribute to the world through technology. We will continue to change and innovate in order to become a company that leads the future of global blockchain-based technology and security industry.

We make people happy and contribute to the world via technology.

Patent
- User authentication platform
- Data transmission and reception using blockchain
and devices(IoT & BCH) - Heterogeneous Blockchain system, Interlocking device and method
- FIDO Based user authentication system and method
- Hacking resistant blockchain platform demonstration and technology advancement
- Digital distributed ledger authentication method based on
zero knowledge proof technology
Copyright
- K4S Password Library – K4S Cryptolibrary
- Certified Platform Auth Box – Authbox
- Secure Communications Package Netbox – Net box
- Blockchain system-kschain
- Byzantine Blockchain Network Program
- Proof of Work Blockchain Network Program
Trademark
- 19 cases including data processing program development
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Korea Software Industry Association | Korea Industry Technology Association | Korea Information and Communication Technology Association | Korea Information Security Industry Association |
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Korea Intellectual Property Office | Korea Trade Investment Promotion Agency | Korea Internet & Security Agency |

Blockchain based Security Solution Provider
k4SECURITY | |
---|---|
CEO | Ryan KC Park |
What we do | Engineering, Technology Research and Development Solution Development and Supply Enterprise service |
Address | Seoul, Guro-gu, 243 Digital-Ro, G-high city 1301 (zip code: 08382) T. +82 1644 8384 F. +82 050-4259 -3525 E. contact@k4-security.com |
We make our members happy through rewards for their efforts and the pleasure of working, and we make people happy and contribute to the world through technology. We will continue to change and innovate in order to become a company that leads the future of global blockchain-based technology and security industry.


Innovation
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Challenge
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solution company leading
Patent
- User authentication platform
- Data transmission and reception using blockchain and devices(IoT & BCH)
- Heterogeneous Blockchain system, Interlocking device and method
- FIDO Based user authentication system and method
- Hacking resistant blockchain platform demonstration and technology advancement
- Digital distributed ledger authentication method based on zero knowledge proof technology
Copyright
- K4S Password Library – K4S Cryptolibrary
- Certified Platform Auth Box – Authbox
- Secure Communications Package Netbox – Net box
- Blockchain system-kschain
- Byzantine Blockchain Network Program
- Proof of Work Blockchain Network Program
Trademark
- 19 cases including data processing program development
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Korea Software Industry Association | Korea Industry Technology Association |
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Korea Information and Communication Technology Association | Korea Information Security Industry Association |
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Korea Intellectual Property Office | Korea Trade Investment Promotion Agency |
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Korea Internet & Security Agency |