The Straits Times Bitcoin soars to new high above US$52,000; sustainability concerns rise Bitcoin has risen eightfold since last March and has added more than US$700 billion in market value since September.PHOTO: EPA-EFE PublishedFeb 18, 2021, 8:00 am SGT https://str.sg/JHW5 They can read the article in full after signing up for a free account. Share link: Or share via: Sign up or log in to read this article in full Sign up All done! This article is now fully available for you Read now Get unlimited access to all stories at $0.99/month for the first 3 months. Get unlimited access to all stories at $0.99/month for the first 3 months.