Is the 10,000 ETH 5,000 ETH giveaway posted on Bitcore twitter a scam? I saw a couple people posted they sent 3eth and got 30eth? Is that true? promoforeth.atspace.eu and ethpromo.org seems suspicious.
I've a giveaway for you. You send me 1 ETH and I'll send you back 0.1 ETH.