# Privacy Challenges in Commerce

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*With the possibility of reversal, the need for trust spreads. Merchants must be wary of their customers, hassling them for more information than they would otherwise need.*

\- Satoshi Nakamoto, Bitcoin Whitepaper

The reliance on trusted third parties in payment systems raises significant **privacy challenges** for consumers. Merchants are often compelled to collect and store sensitive customer information to protect themselves against fraud. This practice has several drawbacks:

* **Data Collection**: To mitigate the risk of fraud, merchants request personal information from customers that is often unrelated to the transaction itself. This can include details such as addresses, phone numbers, and payment information.
* **Data Breaches**: The accumulation of sensitive customer data increases the risk of data breaches. When merchants do not invest adequately in data security, they expose their customers to potential financial and identity theft.
* **Loss of Customer Trust**: As consumers become more aware of the risks associated with sharing personal information, their trust in online merchants diminishes. This erosion of trust can lead to decreased sales and a reluctance to engage in online commerce.


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