That is, the value of the Bitcoin exchange rate can be "played" wildly by people who are involved in this realm. This causes the value of Bitcoin to rise and fall very quickly.
Much like the Gods of old, everyone says that yet no real evidence of it exists. Sure a big balance can push around a small exchange for a few minutes, but this is a global market that moves on the actions of vast numbers of people. The whale talk is for children.
Meanwhile, the promised Libra exchange rate will be more stable. Apart from being supported by a qualified banking association, Libra also balances its exchange rate from the combined activities of leading currencies, including the US Dollar, Pounds Sterling, Euros and Francs,
The only "qualification" is an expertise in separating you from your money. Libra is just an attempt to salvage an antiquated banking system by adding another layer on top. Do you think banking will be better for you if you add more bureaucracy, more mouths to feed?, please.