A new report sheds light on how world leaders, powerful politicians, billionaires and others have used offshore accounts to shield assets collectively worth trillions of dollars over the past quarter-century.

The report by the International Consortium of Investigative Journalists brought promises of tax reform and demands for resignations and investigations, as well as explanations and denials from those targeted.

The investigation published late Sunday involved 600 journalists from 150 media outlets in 117 countries. Its being dubbed the Pandora Papers because the findings shed light on the previously hidden dealings of the elite and the corrupt.

Hundreds of politicians, celebrities, religious leaders and drug dealers have been hiding their investments in mansions, exclusive beachfront property, yachts and other assets, according to a review of nearly 12 million files obtained from 14 firms located around the world.

The more than 330 current and former politicians identified as beneficiaries of the secret accounts include Jordans King Abdullah II, former U.K. Prime Minister Tony Blair, Czech Republic Prime Minister Andrej Babis, Kenyan President Uhuru Kenyatta, Ecuadors President Guillermo Lasso, and associates of both Pakistani Prime Minister Imran Khan and Russian President Vladimir Putin.

The billionaires called out in the report include Turkish construction mogul Erman Ilicak and Robert T. Brockman , the former CEO of software maker Reynolds & Reynolds.