In the early days of crypto, privacy was a critical focus in blockchain development but difficult for the average user to achieve. From 2011–2014, creating multi-signature transactions was considered a cutting-edge technique that provided advanced users more privacy and security than executing standard peer-to-peer transactions alone. Now multisig is standard and more user friendly than ever. So, what’s changed in the last 5 years? And when can we expect blockchains to deliver practical privacy for non-technical users and businesses?