French supermarket giant Carrefour joins an IBM Blockchain program.An ICO on bitcoin? If start-up RSK has its way, it could happen.Controversial exchange Bitfinex attempts to disprove rumors of insolvency. Stealth startup Good Money plans to launch of crypto wallet with the help of "mega-bloggers." Hope Floyd's available!Venezuelan citizens must now purchase passports using the Petro, the nation's oil-backed cryptocurrency. Late Confirmation is a CoinDesk production made in collaboration with The Podglomerate.For more information, visit www.CoinDesk.comSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.