Definition ∞ Attribute disclosure occurs when an individual’s private characteristics or data points are revealed from anonymized or aggregated datasets. This privacy breach happens even if direct identifiers like names are absent. It permits inference of sensitive information about specific entities within a larger data pool. Such disclosures undermine privacy assurances in data sharing and analysis.
Context ∞ In cryptocurrency, attribute disclosure is a significant concern for privacy-focused protocols and decentralized applications. Transaction patterns or network metadata, even without direct personal identifiers, can reveal user holdings or activity. Regulators and privacy advocates often debate methods to prevent such disclosures while maintaining necessary transparency for anti-money laundering efforts. Ongoing research seeks cryptographic solutions to mitigate this risk.
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