Which altcoins from the last few years where there was a lot of positive talk about it has failed? And by failed, it means either it has went to 0 or it could be worth very little. Like it could been 50 dollars at one point and now 0.50.
I'm sure you can see it on the yobit exchange.
Unfortunately, coin data that has decreased to 0 is very rarely posted in the media, even I have never seen it.
The media will only publish when the coin is about to go scam by taking away a lot of money,
but we call it rugpull and it will still have a price even if it doesn't have volume.
different from the yobit exchange, which in my opinion there are many ghost coins that do not have data anywhere,
even some of their coins do not have a network explorer because they are only traded in that exchange.
Examples are lambo and liza which used to be popular in early 2018 but are worthless now.