Hi Sam, It's a tangential question- What kind of real-world problems do you envisage being solved by blockchain first? ( Ethereum/ Ipfs/) Also, from an profic

Hi Sam, It's a tangential question- What kind of real-world problems do you envisage being solved by blockchain first? ( Ethereum/ Ipfs/) Also, from an proficient and experienced Software Engineer(with backend /infra side of things), what kind of blockchain-based projects would you find impressive to showcase one's skillset?