Verification is done by Jumio trusted by millions of people and used by big companies like AirBNB, Coinbase, EasyJet and many more...
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Info that is publicly seen:
Currently there's over 20,000 people who have done the attestation which you can see in realtime here:
Follow the steps below on how to use the voucher code to enjoy a 100% discount on the Jumio verification fee.