The game of $BTC efficiency (expectation) comes from two points: the $BTC price and the number of $BTC. The price of $BTC is the real-time quantitative reflection of collective consensus. The total number of $BTC comes from the 21 million cap, released through halving cycles. If an individual wants to play the game for the number of $BTC: there are two strategies—mining newly generated $BTC or directly trading $BTC. This, in turn, directly impacts the $BTC price. So, the core game of $BTC lies in its price. The price game of $BTC is a refined microcosm of the financial and economic market.