http://darkwebj5wbmsdkv3cfhuoewlmeullyz2eq23b55yeuq7ml2mws2lryd.onion/en/bitcoin-guide.html
If you place an order without preparing your payment beforehand, you assume the risk to be charged with a fine in case of a delay with your payment once the service has been done. Bitcoin is a virtual currency. It is money like the one you use everyday, just that bitcoin doesn't have printed banknotes or physical coins but it works virtually. Its main features are to be very secure, anonymous and fast.