I had a friend in uni in the early 2000s who was massively into digital networking and what not and I remember at the time he used to talk about crypto chains I think or something like that. He kept saying it would change the world.
Anyhow years later we all met up at a reunion and when BTC was a thing in the media about buying a pizza with it I think that has to be 2009-11 (time flies looking back) he gave a bunch of us 5btc on a USB stick and said to keep it would be worth something.
He kept going on about block chain and by that point I had a somewhat interest based on a conversation we had when he talked about ledgers etc. I honestly thought it would replace barcode systems as I thought the whole ecosystem of a ledger would be perfect for the food industry imagine say you could trace the chicken in a supermarket all the way back to the farm source and all the places it been between then.
Or you could confirm where ingredients came from, I thought it would be good for product recalls, fault finding, like cars if you had a fault they could trace exactly the component that went into what car and the person(s) who now own that car, or like the whole baby cot bed fault thing here that lead to many deaths years ago.
BUT I don't think that ever took off in the direction I was hoping and I did find some companies claiming to do things like that but there was never any momentum in any of that.
So I went down a rabbit hole and that's when I started to discover various white papers I think they stilled called around late or mid 2013/14 when I grabbed a fair amount of XRP and LTC I think was my fist purchase based on the information I read and I agreed with the project.
Later on then I grabbed things like ETH and then I had hopes for TRX and Siacoin (althoughI think thats dead now - I dont have it anymore anyway)