Chainalysis reported that compromised private keys accounted for 43.8% of all stolen cryptocurrency in 2024, representing approximately $2.2 billion in total losses.

From the articleGoogle pitches banks crypto custody that splits keys, eyes 2027 launch - CryptopolitanAlso in Google Builds Crypto Custody Security Platform for Banks, Google to preview a new crypto security system as private-key hacks mount, Google Previews Key-Splitting Crypto Custody Tool For Banks