Distributed ledger

Cambodia soramitsu
planning  distributed ledger.

UAE Emirates Islamic Bank launches blockchain for checks

So "The launch of “Cheque Chain”, announced today, comes months after Emirates NBD tested the feature in conjunction with the central bank of the United Arab Emirates. The banking group began testing the tech in a bid to reduce fraud."

UAE Emirates Islamic Bank launches blockchain for checks

First Quantum-Secured Blockchain Technology Tested

First Quantum-Secured Blockchain Technology Tested in Moscow...

Quantum computing is fascinating, but it's really early stages, so we don't know what it or where this technology will shape the space.  Will it be real quantum computing or a marketing hyped space ?  We all know half the AI space isn't even complicated machine learning algorithms.

But the super quantum computers could make the blockchain cryptocurrency double spend philosophy null and void and irrelevant.  Brute force attacks are cost prohibitive with normal computers. But brute force with a quantum computer,  Still expensive , but possible.  And that's today. Just imagine.  

Good start here in testing different strategies to combat this possibilities.