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.

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