Experts believe that mining really is risks to the stability of power grids around the world. Surprising, because most of the manipulations involves higher energy consumption. Many countries are simply not ready for it, as they use outdated equipment.
Separately say about the impact of mining on the environment. Many digital assets are so unbalanced that their production requires much more electricity than the PTS.
“The remaining 618 currency could potentially add to the demand for electricity is still at about 40 billion kilowatt-hours. It is more than two times increases the energy consumption, which we assume to bitcoin”
Many experts are concerned about such use huge amounts of electricity.
“Environmentalists around the world do not like the blockchain technology because of its large electricity requirements”
I must say that experts believe in the efficiency of the new project Libra.
“Blockchain Libra uses a Protocol such as PBFT (practical byzantine fault tolerance, “the Byzantine generals problem”), which differs from the Protocol used by bitcoin or Ethereum. The new Protocol is much more efficient and does not require the same costs in energy levels as previously appeared cryptocurrency”