You can assert that you created media by proving that you had it before anyone else. Blockchains allow you to upload media or a hash of the media into a (relatively) permanent, (relatively) immutable ledger. Relative permanence and immutability are valuable qualities.
Uploading a hash into the bitcoin blockchain is trivial; marketing this type of service is not. The advertising or promises of a specific venture do not necessarily reflect the value of a technology.
Uploading a hash into the bitcoin blockchain is trivial; marketing this type of service is not. The advertising or promises of a specific venture do not necessarily reflect the value of a technology.