Is it as simple as creating an "anonymous" paypal account?
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I just made an online donation via my personal paypal and made sure to not check
"Send address to recipient"
but later in the confirmation mail from paypal, the receipt listed
"Donation to ... <organization>"
"Sent by ... <my-email-adress-here>".
Now, I am confused, wether the donation was actually anonymous.
Each of these requirements has different solutions.