https://reutersevents.com/Events/reports/docs/magazine-december-2021.pdf
https://www.theblockcrypto.com/post/120631/putin-suggests-openness-to-moving-energy-trade-to-crypto-from-dollar-in-the-future
https://www.legifrance.gouv.fr/affichTexte.do?cidTexte=LEGITEXT000006070722