Cryptocurrency enthusiasts and Roblox aficionados alike often encounter abbreviations like BTC. BTC stands for Bitcoin, the world's first decentralized digital currency. Other common abbreviations include DIY (Do It Yourself), TBH (To Be Honest), IDK (I Don't Know), ASAP (As Soon As Possible), and LOL (Laugh Out Loud). Understanding these abbreviations is key to fluent digital communication.