Block Inc. lifted its full-year profit guidance and revealed plans to invest a portion of its profits from Bitcoin back into the assets, as Jack Dorsey’s company bets big on the currency’s future.

Block will invest 10% of gross profit from Bitcoin products each month into buying Bitcoin for investment, Dorsey said in a letter to shareholders on Thursday. Currently, less than 3% of the company’s resources are focused on Bitcoin projects, he said.

“We believe the world needs an open protocol for money, one that’s not owned or controlled by any single entity,” he said. “We believe Bitcoin is the best and only candidate to be that protocol, and to ultimately become the native currency of the internet.

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The company’s $220 million investment in Bitcoin — which made it one of the first public companies to hold it on its balance sheet according to Dorsey — had grown by about 160% to $573 million as of the end of the first quarter.

Block said its Ebitda, or adjusted earnings before interest, taxes, depreciation and amortization, was $705 million for the three-month period, nearly doubling from the year prior and beating analyst estimates. Adjusted diluted earnings per share were $0.85 also topping expectations of $0.71.

The firm boosted its outlook for full-year adjusted Ebitda, predicting $2.76 billion, up from $2.63 billion. It also increased its guidance for adjusted operating income to $1.30 billion for the year compared to its earlier forecast of $1.15 billion.

Shares of the company were down 9% for the year through Thursday, and had dropped following reports of Federal prosecutors probing Block’s internal compliance structures and how it handles transactions involving sanctioned countries.

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