No matter how secure and innovative would be Bitcoins, they are just some bytes on a digital storage medium and they can be copied as well as any digital information.
he definitely drank too much
We've thoroughly studied the Bitcoin client from within and have found an almost imperceptible but very significant flaw (associated with the commission), using it we have committed a Bitcoin transaction in which the recipient has received more Bitcoins than the sender has sent.
again, he definitely drank too much
Unfortunately, the difference is not so great (about 1%) and if you make only one transaction by a small amount your capital will not increase much, but if you make transactions permanently and by a large amount, you can get rich very quickly.
Strange that I never heard that someone got rich with this his method. why i never heard? humm, will be because in the village of my grandfather did not have access to communication? Wait, will be that I'm in another dimension by typing with unknown beings or I was taken by alien and put me in the matrix?