The sheer volume of data means that files are still being pored over, although you can attempt to follow along with this Reddit thread. It sheds light on the huge, lucrative, complex world of offshore finance and special tax laws. Mossack Fonseca is the world's fourth biggest offshore law firm, meaning that the leak has plenty of new information and insight globally, from Russia's rich to property developers in Hong Kong, Lionel Messi and politicians across the world. There's a big focus on the UK too: more than half of the companies are either registered there or in British-administered tax havens. The company denies any accusations of wrongdoing.