The good thing is that David and his wife is already safe, although reports says that his hands or maybe it was just a finger was mutilated.
It was already reported that they have paid the ransom in crypto, has been traced and frozen. And 10 people has been questioned already the authorities.
Mr David Balland, a co-founder of French crypto firm Ledger, had his hand mutilated while he and his wife were kidnapped, the Paris prosecutor said, adding that 10 people were being questioned following the freeing of the pair.
Mr Balland was taken to hospital and treated for injuries to one of his hands, she said, without giving details.
As of Jan 23, 10 people, most of them already known to police, were being questioned by the police, the prosecutor said. They face sentences of up to life in prison if convicted.
https://www.straitstimes.com/world/europe/kidnapped-co-founder-of-french-crypto-firm-ledger-had-his-hand-mutilatedHopefully, justice will be served here and those criminals be punished and sent to jail.
As others have said, this is a good example that we should really take precautions and opsec very security.