Blizzard has made a number of tweaks to the MMO to keep hardcore fair and fun.
WoW Classic Hardcore early patch notes - Dot Esports
WoW Classic Hardcore servers are official, in case you don't hate yourself enough already
World Of Warcraft Classic Might Get Hardcore Realms Soon
Blizzard Details the WoW Classic Hardcore Rules of Engagement
WoW Classic Hardcore squad clutches a world-first clear of Naxxramas—after the heroic sacrifice of their guild leader
Warcraft Classic Hardcore To Get Solo Self-Found Mode - Interview
WoW Classic Hardcore: Official Servers on the Horizon
World of Warcraft Hardcore Servers Adding Highly Requested Feature
WoW Classic hardcore duel goes horribly wrong when player is ganked by a Horde guard in the ultimate act of betrayal