What’s privacy like on these crypto credit/debit cards (b card, gnosis pay, etherfi x scroll)?

Does the onchain transaction contain any metadata about the transaction itself? 

Could this be exploited?

Gnosis Pay transactions are public on the blockchain just like your non-custodial wallet transactions, making it easy for anyone to track when and where you use the card. 

By following the payment trail, someone can see your spending history, trace back to the wallet funding the card, and potentially uncover your entire balance and investment history. 

This lack of privacy can expose personal financial details and even lead to identifying you. if you're ENS is attached to wallet that's funding the card and lets say your details like twitter, linkedin (real name), location (Spain), where your work is there on your ENS profile then someone have chance to threat physically as well. yes, I'm not kidding. check this👇🏻

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Gnosis Pay transactions are public on the blockchain just like your non-custodial wallet transactions, making it easy for anyone to track when and where you use the card. 

By following the payment trail, someone can see your spending history, trace back to the wallet funding the card, and potentially uncover your entire balance and investment history. 

This lack of privacy can expose personal financial details and even lead to identifying you. if you're ENS is attached to wallet that's funding the card and lets say your details like twitter, linkedin (real name), location (Spain), where your work is there on your ENS profile then someone have chance to threat physically as well. yes, I'm not kidding. check this👇🏻
https://x.com/gajeramitulv/status/1835590111087485299