The list started from 2020-10-05 to 2014-02-07. You can see some name from the list below that shutdown in 2020.
BOA Exchange, Voluntary Shutdown
Bitunio, Voluntary Shutdown
Hotbit, Scam
Krypto Connection, Just Disappeared
CashFinex, Just Disappeared
Instant Bitex, Voluntary Shutdown
TokenJar, Just Disappeared
Orderbook.io Voluntary Shutdown
Blockonix Voluntary Shutdown
NLexch, Government Shutdown
FEX, Scam
Token.Store, Voluntary Shutdown
OpenLedger DEX, Voluntary Shutdown
Coinfinit, Just Disappeared
CoinMex, Just Disappeared
Coinrate, Just Disappeared
Bitbox, Voluntary Shutdown
All list -
https://www.cryptowisser.com/exchange-graveyard/Press Release -
https://news.bitcoin.com/cryptowisser-75-crypto-exchanges-dead-in-2020-more-will-follow/In case you need -
Best bitcoin anonymous wallets.
There are a large number of exchanges which are and have not been that popular among traders. The fact that some of these are shutting down is not surprising to me because they have 'large shoes' to fill specially when Binance has been growing from strength to strength.
Many people are also skeptical when it comes to using new exchanges, and it is understandable when some people leave their money on exchanges.
In any way, looking at all of these listed exchanges I realise how uncommon they sound, and that's even with exclusion of the main dominators - I guess it just goes to show that there's so much competition...