"So ... the blockchain is basically just a linked list with each item holding a cryptographically signed copy of the content of the previous item. Each item add

"So ... the blockchain is basically just a linked list with each item holding a cryptographically signed copy of the content of the previous item. Each item additionally holds a collection of transactions that happened in the last ten minutes. That way everybody is able to check if somebody who claims to own something really owns the item/coin/NFT of interest." Honestly ... your hairdresser will have doubts that you are not messing with him.