$BTC
A few defining traits:
Fixed supply: only 21 million BTC will ever exist, making it inherently scarce (often called "digital gold").
Decentralized: no single entity controls the network; it's maintained by thousands of nodes worldwide.
Volatile: prices swing heavily based on macro factors like Fed policy, institutional adoption, and market sentiment.
Store of value narrative: many investors treat it as a hedge against inflation and currency debasement, though this is debated.
Bitcoin currently trades in the mid-$70,000s range, and remains the benchmark asset the rest of the crypto market takes cues from.