Goldcoin (OZT) is a Chia fork that operates under the Proof of Space cryptocurrency protocol. Goldcoin has a current supply of 4,754,016 with 2,754,016 in circulation. The last known price of Goldcoin is
$.
There are over 10,000 coins (Chia, Live, and Fork, among others) circulating in the crypto market, including bitcoin (the pioneer of crypto-currencies), which can be found on exchanges such as Binance, KuCoin, Okex, Zat, and ZBG, making it to the total number of 424 exchanges operating in the world.
Apart from that, the value of crypto-currencies is determined by bitcoin, the founder of the entire digital currency system.