Rather than frittering cash, over the coming weeks Durov is intent on gathering a huge pile of it. Telegram, the encrypted messaging platform he set up five years ago, has the world’s wealthiest internet backers scrambling to invest. But in his quest to raise $1.2 billion in two stages, Durov is not selling shares in his company. The 33-year-old, who began coding aged 10 and created his first multi-player game soon afterwards, is offering the chance to buy units of a cryptocurrency that does not yet exist.