<p>Thanks for your feedback! I share your concerns and as long we don't get a big problem with low-amount chargeback scams it might not be required at all.</p>
<p>Or maybe someone find a way to avoid the exposure of the bank account data to the arbitrator, but that sounds like a hard problem. It would require something like with Chaumian Ecash where you sign something but you actually don't know what is inside. But you have tested many times other envelopes you received for signing and they had been correct, so you have a high probability that the envelope you sign is also correct. Something along that path maybe could work in our context as well?</p>

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