Downloading hacked clients always carries a risk.
Features vary, but common ones include:
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
Ultimately, the Beta 1.7.3 hacked client exists in a moral gray zone. To the average player, it was a menace—destroying hours of survival work in seconds. But to programmers and historians, it was an unsanctioned tutorial in network programming and Java bytecode. It taught a generation of future developers how servers work by teaching them how to break them. Downloading hacked clients always carries a risk
Like a lockpick set or a hacker's live USB, the client is neutral. In the single-player world of Beta 1.7.3, using a hacked client is simply creative mode before creative mode existed—a way to fly and spawn items without limits. In multiplayer, it is a declaration of war on the very concept of fair play. Ultimately, the Beta 1