Coin World news, on December 3rd, according to HTX market information, possibly influenced by CZ's image post 'ALT', the AltLayer protocol token ALT briefly surged to 0.1898 USD, currently reported at 0.18 USD, with a 24-hour increase of 13.92%. Earlier news, CZ posted on X, 'Which key is available on Windows and Linux but not on Mac?' along with an image of ALT, implying that the altcoin season has arrived. 'Altcoin' is short for 'alternative coin', referring to all cryptocurrencies other than Bitcoin.