Minecraft Beta 1.7.3 Hacked Client -

Furthermore, the arms race of Beta 1.7.3 directly led to the creation of modern anti-cheat systems like "Watchdog" (Hypixel) and "AntiGamingChair" (2b2t). Every time you see a modern client struggle to bypass a server, remember: It started with a simple if statement in Beta 1.7.3 that let you fly.

Several clients rose to infamy during this period. While many are now lost to dead Dropbox links and broken MediaFire uploads, their legacy lives on in archive forums. Minecraft Beta 1.7.3 Hacked Client