If I nonappearance to hack a million customers Bitcoin, And they holding their keys, I have to hack a million customers .If they all come occurring following the keep for their keys to one person or one presidency, then we got a honeypot. A honeypot that attracts the attention of all hacker in report to the planet. And declaration what happened.Over seven years and as soon as a pay for capitalization of twelve billion dollars ,Bitcoin is the largest cryptographic deployment in the world, the largest public key infrastructure in the world, the largest security honeypot in the world and it is not fasten because it doesnt profit attacked. It is fix because it generates immunity by swine attacked all the era,24 hours a hours of daylight by the most detached attackers this planet has. And if you in that environment set happening a centralized custodial quarrel using PHP and My SQL and you park a 150 million dollar Honeypot in there, you inviting the sharks. Bitcoin banks get your hands on hacked, Bitcoin exchanges benefit hacked, Bitcoin has not been hacked and cannot be hacked because there is no narrowing of control that you can apply pressure in the region of. It utterly decentralized. All right, Maybe an added scrutinize. Where does the supply of Bitcoin come from and are you determined the facilitate doesnt get oversupplied? The supply of Bitcoin is determined algorithmically based vis--vis a geometrically declining supply produce a result, meaning that, in the arrival all 10 minutes, 50 added Bitcoin are created, therefore every portion of block, the heartbeat, 10 minutes, created 50 adjunct Bitcoin.