https://gitcoin.co/case-studies/greenpill-hypercerts-experiment-impact-certificates-in-practice
GreenPill Hypercerts Experiment — Impact Certificates in Practice | Gitcoin
Mar 5, 2026 - An early real-world experiment using hypercerts to represent and fund impact from GreenPill Network chapter activities.
impact certificatesin practicehypercertsexperimentgitcoin
https://www.hartgroup.org/vaccination-certificates-high-street/
Vaccination certificates – impact on the high street – HART
on the high streetvaccinationcertificatesimpacthart
https://www.climateimpact.com/business-solutions/energy-attribute-certificates-eacs/renewable-energy-certificates-recs/
Renewable Energy Certificates (RECs) | Climate Impact Partners
Renewable Energy Certificates (RECs) are a type of Energy Attribute Certificate (EAC) – a market-based instrument for renewable electricity in North America.
renewable energy certificatesclimate impact partnersrecs