1、Green Hydrogen CertifierA Digital Catapult reportSeptember 20242Previous pageNext pageContents pageStart of sectionDocument User GuideContentsExecutive summary36System design22Implementation29Demonstrator walk-through41Conclusions&considerationsExecutive Summary4Executive SummaryThe global hydrogen

2、economy to reach$8tn annually by 2050,driven by the critical role hydrogen will play in delivering a net zero future.Low Carbon Hydrogen,or Green Hydrogen,is derived through the electrolysis of water,powered by renewable energy,making it the most environmentally friendly form the fuel,especially whe

3、n compared to blue or grey hydrogen,that are produced through steam reformation of methane(CH4).The ability to verify and trace green hydrogen across a supply chain is incredibly important.Verifying green hydrogen ensures its production is truly sustainable,meets environmental standards,reduces carb

4、on footprint,builds trust in green energy markets,and promotes investment in clean technologies.Digital Catapult has developed an end-to-end demonstration of a potential digital certification solution for hydrogen production in the UK.This has been developed through a user-centric design process,dra

5、wing in insights from persona mapping of organisational behaviours to create a balanced solution.Executive Summary5The project adopted a distributed systems approach which:Reflects the real-world distributed multi-party nature of the hydrogen ecosystem Respects individual sovereignty over actions an

6、d data management Avoids data concentration into a central store,with a single point of failure Presents a highly redundant and available solutionBy combining a distributed ledger,distributed file store,and decentralised identities,it was possible to create a cohesive demonstration of a working cert