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Logo of IOHK that says "Cascading disruption".

Logo of IOHK that says "Cascading disruption".

Inpout/Output HK is a research and development company dedicated to bringing innovation in blockchain and cryptocurrency technologies. They are an industry leader in the fields of cryptography and distributed systems.


The company was found in 2015 by Charles Hoskinson and Jeremy Wood with the commitment to using a peer-to-peer innovations to provide financial services to the three billion people that don't have them.

They have since become a presence in Blockchain and cryptocurrency as an engineering company that builds cryptocurrencies and blockchains for academic institutions, government agencies and corporations.

In 2021, IOHK shifted headquarter to Singapore and they changed the organization name to Input Output Global Pte Ltd (IOG).[15][16]

Cascading Disruption

As a founding principle of IOHK, cascading disruption is the idea that most of the structures that form the world's financial, governance and social systems are inherently unstable and thus minor difficulties can cause a ripple effect that fundamentally reconfigures the entire system.

The company has since grown a network of academic partnerships that support its research and the Blockchain Technology Laboratory at the University of Edinburgh serves as the global headquarters for its university collaborations.

With its twin pillars of research and development, Input Output aims to shorten the time between academic research and its application in industry, while supporting the education of students who will contribute to the future of the area.

All the work Input Output produces is open source and patent-free.

The company is incorporated in Hong Kong and has a global presence, with now about 70 workers based around the world, including in Japan; the US, the UK, Russia; Latvia; Ukraine and Argentina.

In August 21, IOHK achieved place in top 15 finalists for the Global CBDC Challenge held by the Monetary Authority of Singapore (MAS). This challenge received over 300 submissions from 50 countries across the globe. IOHK proposed solution for addressing the problem of offline transactions. The 15 finalists, comprising financial institutions, FinTechs and technology solution providers, such as ConsenSys, ANZ Banking Group, Citibank (Singapore), cLabs, Inc, Extolabs, Xfers, HSBC Bank Singapore, IBM, Soramitsu, Standard Chartered Bank, Giesecke+Devrient advance52 GmbH, Criteo and IDEMIA. These organizations will help to progress the acceleration phase of the Global CBDC Challenge.[13][14]


Citation Linkiohk.ioThe main website of IOHK.
Jun 16, 2018, 4:23 AM
Citation Linkeveripedia-storage.s3.amazonaws.comLogo of IOHK that says "Cascading disruption".
Jun 16, 2018, 4:25 AM
Citation Linkyoutu.beInput Output | Inside the company.
Jun 16, 2018, 4:26 AM
Citation Linkyoutu.beIOHK | Cardano whiteboard; overview with Charles Hoskinson.
Jun 16, 2018, 4:27 AM
Citation Linkiohk.ioThe about section of IOHK on the main website.
Jun 16, 2018, 4:29 AM
Citation Linktwitter.comThe Twitteraccount of IOHK.
Jun 16, 2018, 4:30 AM
Citation Linkfacebook.comThe Facebookpage of IOHK.
Jun 16, 2018, 4:31 AM
Citation Linkgithub.comThe Github profile of IOHK.
Jun 16, 2018, 4:32 AM
Citation Linklinkedin.comThe LinkedInprofile of IOHK.
Jun 16, 2018, 4:32 AM
Citation Linkyoutube.comThe YouTubepage of IOHK.
Jun 16, 2018, 4:33 AM
Citation Linkiohk.ioThe newsletter of IOHK.
Jun 16, 2018, 4:39 AM
Citation Linkbitcoinmagazine.comOn Bitcoin magazine.
Jun 16, 2018, 4:39 AM
Citation Linkwww.mas.gov.sgMAS announces 15 finalists for global CBDC Challenge
Sep 1, 2021, 7:04 PM
Citation Linkwww.ledgerinsights.comGlobal CBDC Challenge Finalists
Sep 1, 2021, 7:05 PM
Citation Linkiohk.ioIOHK Singapore Office Details
Sep 1, 2021, 7:11 PM
Citation Linkforum.cardano.orgDiscussion about IOG in Cardano forum
Sep 1, 2021, 7:12 PM