Jaan Tallinn — Net Worth: $900M

NoteThe claim asserts a specific net worth of $0.9B (900 million) as of 2025, with a note that it is an 'estimated net worth' and that he is a 'primary funder of SFF and Lightspeed Grants.' The Wikipedia source article about Jaan Tallinn does not contain any explicit statement of his net worth, either as a specific figure or as a range. While the article confirms he is wealthy (based on his investments and philanthropic activities), it does not provide the numerical net worth data needed to verify or contradict the claim. The additional context about SFF and Lightspeed Grants funding is also not mentioned in the source text. Therefore, the claim cannot be verified against this source.