Ex - COO Goldman Sachs: ' a crypto-world currency will come but not bitcoin'

**Gary Cohn, president and COO at Goldman Sachs, said in an interview that the world will need a crypto-global currency and that bitcoin was not cut out for that role.
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According to Cohn, which wins the battle and becomes a crypto-currency world-wide currency isn't bitcoin, but a currency more accessible and less energy-intensive.

He said in an interview on CNBC:

'I believe a lot in blockchain technology but very little in the bitcoin. I think that crypto-currency which will manage to prevail throughout the world will be a virtual currency that does not depend on minors or electricity.'

bitcoin is indeed enough energy, to verify and validate transactions on blockchain, it use the Proof of Work (PoW) Protocol. A system that performs intensive computer calculations in electricity. At present, some other consensus have emerged as the PoS Protocol.

He adds:

'as well, it will be a simple currency to use. 'People will understand how it works.'

as Cryptonaute delays last week, the former employer of Mr Cohn, Goldman Sachs is one of the first big Wall Street firms to make its entry into the world of the crypto-currency. She announced the opening of a trading desk dedicated to early may bitcoin and hired a new specialized trader in late April.

'Personally, I have more share in the company. They do what's best for their shareholders.'said on this subject.