Maybe the closest real-world example I've heard so far is the Catalonian government using IPFS during an election, and how Filecoin could be used on top of IPFS

Maybe the closest real-world example I've heard so far is the Catalonian government using IPFS during an election, and how Filecoin could be used on top of IPFS to pay people to store data: https://medium.com/swlh/filecoin-and-ipfs-f5e84ae79afa https://medium.com/swlh/filecoin-and-ipfs-f5e84ae79afa