$BTC Bitcoin (ticker: BTC) is the pioneering decentralized digital currency, using blockchain technology and proof-of-work mining to enable peer-to-peer transactions without central authorities . It has a fixed supply of 21 million coins, with about 19.9 million currently in circulation—this scarcity is central to its appeal as “digital gold” . As of July 5, 2025, BTC trades around $108K, with a market cap exceeding $2 trillion . Institutional interest has surged, with Bitcoin ETFs drawing significant inflows and forecasts suggesting potential rallies beyond $140K if key technical levels are breached . However, high volatility, energy concerns, and evolving regulations remain key risks—while endorsements from figures like Robert Kiyosaki reinforce its status, skeptics like Charlie Munger caution against speculative excess .

Why BTC matters now

Scarcity: capped supply + diminishing mining rewards bolster long-term value.

Institutional momentum: ETFs and strategic reserve proposals put BTC on par with traditional assets.

Volatility & risk: prices react strongly to macro trends, policy, and whale activity.

Let me know if you want a deeper dive into its tech, investment thesis, or outlook.