Just Called Bitcoin a 'Pyramid Scheme. Retrieved 5 September 2016. Securities and Exchange Commission has also issued warnings. 188 Identification as a speculative bubble Main article: Cryptocurrency bubble Bitcoin, along with other cryptocurrencies, has been identified as an economic bubble by at least eight Nobel Memorial Prize in Economic Sciences laureates, including Robert Shiller, 189 Joseph Stiglitz, 190 and Richard Thaler.
Tech store! . Archived from the original on 19 December 2013. "Some basic rules for using 'bitcoin' as virtual money". "How to send bitcoin to a hardware wallet". Archived from the original on Retrieved "After Silk Road seizure, FBI Bitcoin wallet identified and pranked".