Ledger co-founder David Balland and his wife were the victims of a kidnap for ransom plot last week, but they were rescued by French authorities after the kidnappers mutilated one of the crypto executive's fingers.

David Balland and his wife were rescued in a police operation involving elite units, Paris Prosecutor Laure Beccuau said.

French authorities have reportedly rescued the co-founder of hardware wallet firm Ledger and his wife after they were kidnapped and held for ransom.

David Balland, co-founder of Ledger, a French crypto hardware wallet company, was recently the victim of a kidnapping incident in central France.

David Balland and his wife, Amandine, were abducted from their home in Vierzon. They both survived the ordeal, but Balland is missing part of his finger.

David Balland, a founder of Ledger, a prominent cryptocurrency company, and his wife were freed after a 48-hour police search. Ten people have been arrested.

French police have arrested 10 people suspected of involvement in the kidnapping and torture of the co-founder of a global crypto currency company and his partner, prosecutors said, with the case to be handed to anti-gang investigators Friday.