How to prevent chargeback?

[Heibi]

I just lost 300k to this.

[cukiemunster]

Don't use PayPal.

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[Dante]

Yeah, use moneybookers or w/e its called

[Heibi]

And is there any way for me to get back my 180eu I got from selling 300k?

[Shameless]

And is there any way for me to get back my 180eu I got from selling 300k?

Entirely depends on the precautions you took before the trade. Did you verify that it was the owner, get ID, confirmation email... anything along them lines? Did he claim unauthorized? If so get paypal to check IP logs... If not, then you're ****ed. You just got scammed hard.

[Deminish]

I just lost 300k to this.

Call blizz say acc got hacked.
Some1 tried doing this to me 4-5 years ago. It was my acc for $500.
I ended up getting both at the end.. papal made a mistake and gave me the money, but then asked for it later. I cancelled my bank acc and made a new1... i still get mails from collection agency lol, but it didnt hurt my credit cuz i never gave my ssn.

[Sklug]

Only way is to say you got hacked... otherwise in the future stick to known trusted buyers -- If someone is not a known and trusted buyer with a good reputation, 9 times out of 10 you are getting scammed.