Recently, Bitcoin reached those famous 100K that everyone was celebrating on social media. And well, while I was watching the memes and tweets of euphoria, a curious doubt arose: most people say "BTC at 100K" but do they really understand what that "K" you see everywhere means?

The truth is that the answer is more interesting than it seems. That letter K you see when someone mentions 100K or 1K comes from Latin and ancient Greek. The Greek kappa was associated with the word "khilioi," which literally means thousand. Over time, it became a standard abbreviation in finance and commerce because, well, it's practical. So when you see 100K, you're really looking at 100k dollars.

To be clear: 1K = 1k, 10K = 10k, and then 100K = 100k. On social media, this notation is pure gold because it saves characters and sounds good too. Saying "Bitcoin at 100K" has a visual impact that simply saying "one hundred thousand dollars" doesn't achieve.

What’s interesting about the 100K milestone is not just the number itself. It’s what it represents. People who entered Bitcoin years ago finally saw their bet confirmed as worthwhile. New investors who heard about the topic finally wanted to understand what Bitcoin was all about. The price became a cultural marker, you see? Everyone was talking about when Bitcoin would reach 100K, and when it did, it was like a collective victory.

Now, here we are in April 2026, and the price hovers around 75.84K. It has dropped from that peak everyone celebrated, but that’s normal in market cycles. What’s clear is that that moment at 100K marked an important turning point. Some analysts speculated it could reach 140K in 2025, but markets have their own plans.

Meanwhile, the community is already thinking about the next goal: the famous 1M, one million dollars per Bitcoin. That probably won’t happen in this cycle, but it’s the kind of target that keeps people hooked in this space. The important thing is to understand that when you see those numbers with K, it’s not just financial notation. It’s part of the language we’ve developed in the crypto community to talk about these milestones. And every time Bitcoin breaks a new all-time high, that K takes on a deeper meaning for those who have been on this journey from the beginning.