Facebook may be developing its own digital dollar but the Reserve Bank of Australia doesn't believe cryptocurrencies will catch on for actual payments any time soon - if ever. In a 5,800-word paper published in the RBA's Bulletin publication on Thursday, four RBA analysts say they see "little likelihood of a material take-up of cryptocurrencies for retail payments in Australia in the foreseeable future". Cryptocurrencies face a trade-off known as the "scalability trilemma" where they can at best offer two of the three properties of decentralisation, scalability and security, the authors say. For example, the authors ... (full story)