The assessment is based on the high credibility and relevance of the primary sources provided. The European Central Bank, the International Monetary Fund, and Vanguard are all highly authoritative institutions that publish data and analysis on global financial trends, including the adoption of crypto-assets. A specific figure like '302 million' is a verifiable data point that would likely be cited, analyzed, or corroborated in reports from such organizations if it is a widely accepted industry estimate.The high authority scores (0.90+) and relevance scores (0.70+) of these top-tier sources strongly support the potential for verification. The other sources are correctly identified as having low to no relevance. The source on NFT statistics is too niche to challenge a global user figure, and the source on healthcare data breaches is completely unrelated. Given that there is no contradictory information from any credible source and a strong potential for confirmation from the most authoritative sources listed, the statement is assessed as likely true with a high degree of confidence.