The burst of the Bitcoin bubble in 2018 appeared to justify the sceptics. Top investors such as George Soros and Warren Buffett had called it a ‘mirage’.
But, last year, Bitcoin was resurgent. Its price increased by 75% between mid-October and the start of December. Sceptics are wavering. Just as a technology boom eventually followed the dot-com bubble, might Bitcoin live up to the hype of its early advocates?