o2b2-certificate-authorities-market-share

Estimates the market share of certificate authorities of Open Finance Brasil

Metodology

1. Reads the partipants url and extract all distinct hosts from declared APIs of payments-consents or consents family

2. Extract the client certificate from each host

Most recent results

Results in 23/02/2025

{
  total: 131,
  'AC SOLUTI SSL EV G4': 99,
  'AC Certisign ICP-Brasil SSL EV G4': 23,
  'AC SERASA SSL EV V4': 5,
  'Autoridade Certificadora do SERPRO SSLv1': 2,
  'AC VALID SSL EV': 2
}

How to run

npm install
node index.js