Transparency:
Everyone can see and verified every transaction on blockchain. So for example if our politicians used blockchain for public finance. Then we could easily and quickly verify what payments they made
Security:
Blockhain is secured by network of computers and not by one single server. Also every transaction is linked to each other and thats is makes much harder for hackers to hack or change transactions
Improved traceability:
You have audit trail that shows where an asset came from and every stop it made on its journey. This historical transaction data can help to verify the authenticity of assets and prevent fraud.
Increased efficiency and speed:
You eliminated paper works and people errors.
Reduced cost:
By eliminating middlemans, third parties