Avalanche launches Cortina Upgrade, but will things change for AVAX According to Avalanche, the most important optimization as part of the Cortina Upgrade will be linearization of the X-Chain, used for sending and receiving funds. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Filed under: Bitcoin - @ April 26, 2023 10:30 am