The blockchain can be used as a way to verify sensitive information, securely encrypt medical and financial records, transfer money directly and securely...
...and we use it to verify the authenticity of a .PNG of an ugly ape.
btw i feel this a good time to remind you guys that sea of thieves was made by rare, who also made DKC1-3 and DK64, alongside banjo kazooie and conker's bad fur day