Let's talk about hash functions.
A hash function converts data of any length into a fixed-length output. This output is called a hash value, or digest.
Honestly, I hadn't paid much attention to this before: to look up a transfer, searching for its transaction hash in a block explorer is much more reliable than flipping through screenshots someone else posted.
The essence of mining $BTC is repeatedly calculating SHA-256 hashes to find a result that meets the difficulty requirements.
Understanding the principles helps you make more informed decisions; it's not about trying to predict the market.

I'm just chatting—don't take this as advice.