There are many so called "Bitcoin Doubler" website that are offering to double you bitcoins in 24 hours, 1 day, e.t.c..
All of them are scams !!!How it works.Scammers are offering you to double your bitcoins and giving you an address for deposit.
Case 1. You deposit requested amount and will never hear from them again
Case 2. You deposit a small amount of $ 10 or 20 in BTC and scammer pays you back the doubled amount. Of course you will deposit more, but in that case scammer will ask you to deposit not less that $100-200 in BTC. After you deposit that amount, scammer will stop answering your mails and your money is gone.
But now scammers are using more sophisticated scam formats.
Case 3. They will ask you for Ripple (xrp) or any other alternative crypto currency and will show you the transaction history from blockexploler, showing deposits and payouts. That is done in order to convince you, that many people made such deals and the service is trustable. But in fact all that transactions
are made by scammer himself using different addresses that belongs to him. The good example of that is the new scam discovered by
Coolcryptovator here:
https://bitcointalk.org/index.php?topic=5198021https://xrpscan.com/account/rscycN6bV7bjtRfZtJrwV5ShHCaYkfZC9hAs you can see the blockexplorer shows dozens of transactions that are matching the amounts offered for deposit and payouts. All of them are fake and made up by scammer to trick you.
Any website offering such services is nothing but a SCAM !!! Experienced crypto veterans will notice that scam right away, but newbies might still be trapped.
DON' BE GREEDY AND STAY AWAY FROM SUCH WEBSITES AND OFFERS !!! NOBODY WILL DOUBLE YOUR CRYPTO ASSETS !!!