I had a similar thing happen to me. The guy (I believe his name was also Youssef) didn't ask any questions about the item I was selling and did not try to negotiate the price. He wasn't going to be able to pick the item up for a week but wanted to get payment sorted as quick as possible. He was only interested in my personal information. He wanted my address (not necessary for payment) and wanted my banking information for e-transfer. I told him he only needed my email address for e-transfer but he insisted he needed my bank account number as well. When I told him I would give him only my email address and that I had automatic acceptance for my e-transfers, he disappeared. Looks to me like they are trying to gain as much personal information as possible so that they can access your bank accounts.

Back in the day we thought nothing about sending someone a cheque for something. It contained our name, bank information, and likely our street address as well.

I posted looking for bumper guards on team Chevelle , I got 3 different guys trying to scam me

Had this happen on Kijiji, but not yet on marketplace- I dont sell much there. They wanted my name, email, and address, I had my phone number in the ad. They were using a fellows name from Bay Bulls, NL. He had an unusual name, I found him on Google and phoned him. They had scammed him of $2,000 and then kept using his name etc to scam others. I went as far as giving up my name and address so they could get a price for shipping. A shipper contacted me, it was an unusual name out of Montreal, I googled that, kept turning up Romania. Since then no phone or email in my ads, I let them contact me via Kijiji.

I was reading that there have been such huge leaps in "quantam computing" that within a year or two no password will be safe. These computers will be able to hack any password in seconds. Then what will we do? Retina scans?