Circle

Empowering you to build
on blockchain

Over the last few years, blockchain technology has exceeded the expectations of many, bringing along with it a wealth of unprecedented opportunities. Our mission is to build a solid foundation for players in this ecosystem, allowing them to safely and confidently take advantage of what it has to offer.

With a product suite geared to support a multi-chain future, we anticipate your needs by delivering effortlessly simple, ready-to-use solutions. We are here to make sure your ideas reach their full potential.

Our Approach

We blaze the trail

We see unlimited potential in blockchain technology and the ecosystem it powers. By discerning which areas need growth, we advance the frontiers on what matters most to the community.

We fuel the ecosystem

We dream of an enriched and truly sustainable crypto ecosystem, open to all. As infrastructure builders, our job is to build with an eye to inclusion and transparency, always.

We craft tomorrow’s frameworks

We see long, which means that what we build is designed to last. Expertise you can trust, values you can share, craft you can feel.

Circle

Our Promise

As a partner

To enable your growth and support you
to the best of our ability.

As a connector

To build products that strengthen the bonds
between players in the crypto space.

As a trailblazer

To always be ahead of the curve,
paving the way for solutions that will enrich the ecosystem.

Simply put,
DSRV is the whole package.

Our ability to build secure infrastructure, along with our influence among leading blockchain communities, provides an optimal gateway into this space. Simply put, we’re the whole package. With our expertise and experience, we can bring your finest ideas to life.

JOIN THE TEAM,
TO JOIN OUR VISION

JIYUN KIM
JIYUN KIM CEO, Co-founder
  • Samsung Electronics
  • Ethereum 2.0 Contributor
  • Blockchain Tech Blogger
  • Korea Ethereum Research Group
  • Inha University (M.S.)
JEONGHO JEON
JEONGHO JEON Blockchain Data Team Lead, Co-founder
Data-Visualize
  • Samsung Techwin
  • Naver
  • Korea Ethereum Research Group
  • Seoul National University
JONGKWANG KIM
JONGKWANG KIM Head of ALL THAT NODE, Co-founder
ALL THAT NODE
  • Korea Open SW Lab
  • SW Maestro, Mentor
  • Korea Ethereum Research Group
  • Sencha Expert/Organizer
HYUNGKYU CHOI
HYUNGKYU CHOI CTO, Head of Validator, Co-founder
Validator
  • Kakao Corp’s Ground X
  • Samsung Research
  • Ethereum Contributor
  • .NET Core Contributor
  • Seoul National University (Ph.D.)
DOHYOUNG LIM
DOHYOUNG LIM Head of Welldone Studio
Welldone
  • W3C DID Contributor
  • NCSoft
  • Korea Ethereum Research Group
  • Ethereum remix plugin developer
  • web3js Contributor
EMMA PARK
EMMA PARK Head of Communications
Marketing & Communications
  • Cheil Worldwide
  • Yonsei University
DONGWOOK LEE
DONGWOOK LEE Head of Operations
Operation
  • Blockchain Labs
  • Everett
  • Decipher
  • Inha University (BBA)
JEONGIN PARK
JEONGIN PARK Head of Design
  • Huobi Korea
  • e-motion
  • Plani
KYLE EO
KYLE EO Business Development Manager
Business Development
  • Xangle
  • University of California, San Diego
JIHOO LEE
JIHOO LEE Product Designer
ALL THAT NODE
  • SoUX
  • FARADAY
  • Xangle, NotForSale
  • Ewha Womans University
TAEWAN KIM
TAEWAN KIM Product Manager
Welldone
  • 4TALE
DOMITILLE COLIN
DOMITILLE COLIN Communications Manager
Marketing & Communications
  • Xangle
  • Oxford University (M.St.)
  • University of Chicago
HYUNGGI KIM
HYUNGGI KIM Validator, Software Engineer
Validator
  • 4TALE
JOONKYO KIM
JOONKYO KIM Validator, Software Engineer
Validator
  • Co-founder, CTO. Ino-on. Inc.
  • Inha University(Ph.D. Candidate)
HWANGJAE LEE
HWANGJAE LEE Validator, Software Engineer
Validator
  • Samsung Electronics
  • Dankook University
DONGYO KANG
DONGYO KANG Validator, Software Engineer
Validator
  • Yahoo Japan
  • Thomson Reuters
  • Samsung SDS America
  • Basis Tech
  • Northeastern University
JINHONG CHOI
JINHONG CHOI Validator, Software Engineer
Validator
  • 4TALE
HEEJIN LEE
HEEJIN LEE Validator, Software Engineer
Validator
  • Samsung Electronics
  • Agency for Defense Development
  • MediaTek
  • Korea Polytechnic University
DONGYOUNG YU
DONGYOUNG YU Software Engineer
ALL THAT NODE
  • Wishket - Inspection
HEESUNG BAE
HEESUNG BAE Software Engineer
Welldone
  • RocketPunch
HYUNSUN YOO
HYUNSUN YOO Software Engineer
Welldone
  • Ewha Womans University
UIHYEON LEE
UIHYEON LEE Software Engineer
Welldone
  • Gwangju Software Meister High School
HEESU SHIN
HEESU SHIN Software Engineer
Welldone
  • ONDA
KWANHYUNG LEE
KWANHYUNG LEE Product Designer
Welldone
  • Chosun Media
  • Kookmin University
YOUNGBIN PARK
YOUNGBIN PARK Research Associate
Research
  • Ewha Womans University
JIWON PARK
JIWON PARK Research Associate
Research
  • Ewha Womans University
  • SOCAR
  • LINE Financial Corp.
SEOKJOONG YOON
SEOKJOONG YOON Research Associate
Research
  • Sogang University
HONGHUN JANG
HONGHUN JANG HR Manager
Operation
  • KHPT
  • Inha University
OHOON KWON
OHOON KWON Information security Professional
Information security
  • Wadiz
  • Dongguk University(M.S)