<p>Checking the validity of Bisq-owners ID or passport can often be done via websites: <a href="https://www.consilium.europa.eu/prado/en/check-document-numbers.html" rel="nofollow">https://www.consilium.europa.eu/prado/en/check-document-numbers.html</a></p>
<p>A scammer would then have to know the account-holders Passport/ID-number which would deter most scammers. In suspect cases the seller could ask for an ID. Not sure how difficult this is to implement and for which countries these databases exist. The bottom link in the web-site gives a list of links for checking.</p>

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