The practice of “selling the iris” has gained traction in Brazil, fueled by social media videos showcasing individuals participating in the process in exchange for financial rewards. Despite the term, this activity does not involve the literal sale of a body part but rather the collection of unique biometric data from the iris for use in digital identification technologies. Projects such as Worldcoin drive this innovation, raising critical questions about security, privacy, and the regulation of such practices in the country.
Iris scanning is carried out using a specialized device known as the orb, designed to capture the distinctive features of the human iris. The project aims to create a global digital identification system to ensure authenticity in an increasingly connected world. However, the practice has sparked significant debates in Brazil, particularly after the National Data Protection Authority (ANPD) intervened to regulate the procedure due to legal and ethical concerns.
Participants are paid in cryptocurrency for undergoing the scanning process, with rewards ranging from $60 to $150, depending on the Worldcoin exchange rate. This financial incentive raises concerns about the vulnerability of individuals in challenging economic circumstances, highlighting the need for clear regulations to protect citizens’ rights and ensure the security of biometric data.
How iris scanning works and the role of the orb
The iris scanning process is straightforward yet technologically advanced. A spherical silver device called the orb is used to capture biometric data. This equipment is designed to record the unique patterns of the iris, which are immutable and differ from person to person.
Participants must position their eyes for the orb to capture the necessary images. The collected data is digitally stored and linked to a unique digital identity. In return, participants receive cryptocurrency, such as Worldcoin, which can be converted into cash or used for digital transactions.
Financial incentives and their impact on participants
The financial reward offered by the project typically amounts to 25 Worldcoins, equivalent to around $60, depending on the daily exchange rate. Some participants report receiving up to $150 in regions where participation is more limited. This variability underscores the financial appeal, particularly for low-income individuals who may participate without fully understanding the associated risks.
Paying participants in cryptocurrency introduces them to digital markets but also exposes them to the volatility and uncertainties of these assets. Furthermore, limited access to digital platforms in some parts of Brazil may restrict participants’ ability to use their rewards effectively.
Worldcoin’s vision and objectives
Worldcoin, founded by Sam Altman, CEO of OpenAI, aims to establish a global, secure digital identification system. Its central goal is to develop a “proof of humanity” to distinguish humans from robots and artificial intelligence. This system is especially pertinent as digital interactions become increasingly complex and susceptible to fraud.
Altman envisions a biometric database that supports a reliable identification model, delivering economic and social benefits. However, critics argue that the project must address ethical and regulatory concerns, particularly in countries like Brazil, where data protection is a pressing issue.
Regulations in Brazil and the role of the ANPD
In Brazil, the National Data Protection Authority (ANPD) intervened to limit the scope of iris scanning practices. While data collection itself is legal, payment for participation was prohibited to ensure that individuals make informed decisions free from financial coercion. The ANPD’s primary concern is safeguarding citizens’ privacy and autonomy in sharing sensitive data.
This decision aligns with Brazil’s commitment to data protection through its General Data Protection Law (LGPD), effective since 2020. The LGPD enforces strict guidelines for the collection, storage, and use of personal data, including sensitive information like biometrics. Practices that compromise transparency or security can face legal penalties.
Risks associated with biometric data collection
The iris is a uniquely identifiable and permanent part of the human body, making it a powerful tool for biometric identification. However, this also renders it a sensitive and potentially vulnerable data point. In cases of misuse or breaches, the consequences can be severe and irreversible, as iris patterns cannot be changed like passwords or access codes.
Experts warn that centralized biometric databases may become prime targets for hackers. Unauthorized use of these data also raises significant privacy and security concerns, emphasizing the need for robust safeguards.
Vulnerable groups and ethical considerations
The practice of “selling the iris” raises significant ethical concerns, particularly regarding the exploitation of vulnerable populations. Low-income individuals, drawn to the promise of quick financial gain, may participate without fully assessing the risks. This dynamic creates an imbalance between data collectors and participants, with the former reaping substantial benefits at the expense of the latter’s rights.
Certain demographic groups, such as women, the elderly, and people with disabilities, often prioritized in social policies, may also be disproportionately affected by non-transparent data collection practices.
Tips for those considering participation
- Educate yourself about the project’s goals and implications before participating.
- Ensure the data collection process complies with local and international regulations.
- Evaluate long-term risks associated with sharing biometric data.
- Consult data protection experts to better understand potential consequences.
- Consider whether the immediate financial benefit outweighs privacy risks.
Social and economic impact of the project
Beyond individual implications, Worldcoin’s initiative has broader social and economic repercussions. By introducing new payment and digital identification methods, it promotes financial inclusion for marginalized populations. However, the project’s lack of governance transparency and clarity around data usage raises doubts about its long-term viability and security.
For companies and governments adopting biometric identification technologies, balancing innovation with ethical responsibility is critical. Trust is essential for the success of these initiatives, and any breach of data protection can undermine their credibility.
Future projections and challenges
Biometric identification technologies are expanding globally, and Brazil is no exception. As projects like Worldcoin gain momentum, iris data collection is expected to become more common. However, this growth necessitates ongoing debates about regulation, transparency, and accountability, especially in a country with significant social inequality and digital inclusion challenges.
To ensure these projects serve public interest, mechanisms for data protection must include independent audits, transparency in data usage, and clear channels for participants to withdraw consent if needed.

