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.
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.