Petit rappel important: cet épisode 30 est le dernier de la saison 2 du ProofOfCast, qui va prendre quelques vacances pendant tout cet état, mais que vous pourrez retrouver pour l'épisode 31 et la saison 3 le 7 septembre prochain.

Le dossier du ProofOfCast: les 5 piliers

* https://www.youtube.com/watch?v=SMEOKDVXlUo* https://www.reddit.com/r/Bitcoin/comments/bnhxm9/the_five_pillars_of_open_blockchains_andreas/

Actualités

Libra, la "cryptomonnaie" de Facebook

* https://www.coindesk.com/facebook-launches-subsidiary-to-support-new-libra-crypto* https://trends.levif.be/economie/high-tech/numerik/libra-l-antithese-du-bitcoin/article-opinion-1155355.html?cookie_check=1560934680* https://www.coindesk.com/libra-white-paper-shows-how-facebook-borrowed-from-bitcoin-and-ethereum* https://www.coindesk.com/facebooks-cryptocurrency-is-a-nail-in-the-coffin-for-blockchain-not-bitcoin* https://www.coindesk.com/facebooks-libra-could-meet-highest-standards-in-regulation-boe-governor* https://www.coindesk.com/watch-facebooks-libra-videos-including-an-inside-look-at-the-calibra-wallet* https://www.coindesk.com/halt-libra-us-lawmakers-call-for-hearings-on-facebooks-crypto* https://www.coindesk.com/facebook-has-yet-to-answer-us-lawmakers-questions-about-libra-crypto* https://www.coindesk.com/facebooks-new-crypto-faces-scrutiny-from-european-authorities* https://www.coindesk.com/examining-facebooks-claim-its-crypto-is-for-the-unbanked* https://www.coindesk.com/dont-hold-your-breath-australias-central-bank-chief-bearish-on-libra* https://www.coindesk.com/nouriel-roubini-says-facebooks-globalcoin-has-nothing-to-do-with-crypto* https://www.coindesk.com/i-dont-trust-facebook-with-anything-the-world-reacts-to-facebooks-libra* https://www.coindesk.com/facebooks-cryptocurrency-will-face-regulatory-hurricane-canaccord-analysts-say* https://www.coindesk.com/facebook-talked-to-the-fed-about-libra-coin-chairman-powell-says*