一名比特幣礦工透過 Braiins 算力市場以 75 美元租用 1 PH/s 算力，於 2026 年 2 月 25 日獨立挖出一個完整區塊，獲得逾 3.1 枚比特幣的區塊獎勵，依當前比特幣市價折算約 20 萬美元。此事件在目前網路算力條件下發生的預期機率約為每 110 萬個區塊一次，相當於需連續挖礦約 21 年。
獨立挖礦的概率：110 萬分之一的算力彩券
（來源：Braiins）
比特幣挖礦本質上是一場算力競賽，礦工需率先解出密碼學難題以獲得區塊寫入權和對應的 BTC 獎勵。大型礦池憑藉龐大算力幾乎壟斷了大多數區塊的發現機會，而個人獨立挖礦（Solo Mining）被行業專家普遍比喻為「買彩券」，中獎率極低但回報極高。
Braiins 算力市場允許用戶直接租用挖礦算力，無需自行購置或操作任何實體礦機，最低門檻為 1 PH/s。此次得獎礦工以不到 75 美元的最低租賃配置，撬動了逾 20 萬美元的完整區塊獎勵，換算投資回報率逾 2,600 倍。
根據 Bitinfo 的數據，比特幣網路日均哈希率目前已超過 1.1 ZH/s，較去年同期約 730 EH/s 大幅成長，增幅約 50%，反映網路算力競爭的持續升溫。
近期類似事件與礦業結構重組
獨立挖礦中大獎的案例並非孤例，近幾個月出現了多起類似事件，顯示算力租賃模式正為小型參與者提供低成本博弈的管道。
近期比特幣獨立挖礦紀錄速覽
2026 年 2 月：一名礦工以 75 美元算力挖出逾 3.1 BTC，價值約 20 萬美元
2026 年 1 月：兩名礦工分別獨立挖出逾 3.1 BTC，依當時市價各值約 30 萬美元
2025 年 12 月：一名礦工獨立挖出完整區塊，獲得價值超過 28.2 萬美元的比特幣獎勵
與此同時，比特幣礦業整體結構正在深刻重組。上市礦企 Bitfarms 宣布完全停止挖礦業務，而 Riot Platforms 則在激進投資者 Starboard Value 的施壓下，被要求把握 210 億美元的 AI 高效能運算市場機會。北美礦池的算力市場份額在 2025 年持續下滑，部分原因在於算力資源被轉向人工智慧基礎設施需求，中國及其他地區礦工的算力比例亦有所回升。
常見問題
什麼是獨立挖礦（Solo Mining），為何專家將其比喻為彩券？
獨立挖礦是指礦工以自身全部算力單獨參與區塊競爭，若率先解出密碼難題即可獨享完整區塊獎勵（目前為 3.125 BTC 加交易手續費）。由於大型礦池掌握絕大部分網路算力，個人礦工以微小算力獨贏的機率極低，但回報龐大，因此被普遍比喻為「買彩券」，低成本、低概率、高回報是其核心特徵。
Braiins 算力市場如何運作，普通用戶能否參與？
Braiins 算力市場允許用戶直接從平台租用比特幣挖礦算力，最低門檻為 1 PH/s，用戶無需自行購置礦機或建設基礎設施，即可參與獨立挖礦。透過此類算力租賃服務，個人可以較低成本嘗試挖礦，同時保留獨立挖出完整區塊、獨享全額獎勵的可能性。
比特幣網路算力持續增長，是否意味著個人礦工的機會越來越小？
隨著比特幣網路哈希率從去年同期約 730 EH/s 增長至目前逾 1.1 ZH/s，個人礦工在固定算力下的中獎概率確實隨之進一步稀釋。然而，算力租賃門檻的降低與區塊獎勵的吸引力，仍使部分投機性參與者視獨立挖礦為一種低成本高槓桿的博弈選項，近期頻繁出現的中獎案例也強化了這一認知。
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