來源:[1] 比特幣難度調整估算器 - Newhedge (https://newhedge.io/bitcoin/difficulty-estima ...)[2] BTCUSD - BTC挖礦難度預計12月上升,因為... - ADVFN (https://mx.advfn.com/bolsa-de-valores/COIN/BT ...)[3] 比特幣難度再創新高——這意味著什麼... (https://decrypt.co/340459/bitcoin-difficulty- ...)