We could verify the economic data using nostr:nprofile1qqs26054qdgyq9mteppv3w4zcgdyp0qq2edxg077hkhwekyy6rujg7gppemhxue69uhkummn9ekx7mp0qyghwumn8ghj7mn0wd68ytnhd9hx2tcpzemhxue69uhk2er9dchxummnw3ezumrpdejz79vwmer and a hash of the original file.
https://cointelegraph.com/news/us-economic-data-blockchain-commerce-howard-lutnick
"However, while the technology can secure how data is stored and shared, it does not address the accuracy of the data itself."
Indeed! This can be done for all public documents, efficiently, cost effectively, without taking away valuable block space from other transactions. Also, if on Bitcoin, no need to use other chains since security has already been maximized.
