Why did the price of bitcoin skyrocket in Zimbabwe after the military intervention against Mugabe?

Zimbabwe's battered economy suffered another blow with the military operation that put President Robert Mugabe under house arrest on Wednesday and opened an unresolved political crisis.
As the uncertainty about the destiny of the country grew, so did the bitcoin, cryptocurrency converted into the last reliable value in a market conditioned by a runaway inflation.
The price of the transactions with this cryptocurrency soared in Harare.
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Oliver von Landsberg-Sadie, founder of the BitcoinBro cryptocurrency online brokerage, gave the BBC a possible explanation.
"In a context in which the economy is being hit, which in recent days is suffering a total political crisis, the only safe haven to store assets can set its price."