127,000 Bitcoin went missing in 2020 — no one asked why
The post 127,000 Bitcoin went missing in 2020 — no one asked why appeared on BitcoinEthereumNews.com. Arkham has uncovered a 2020 heist involving 127,000 Bitcoin. The mining pool never reported it, and the funds never moved. Summary In December 2020, LuBian, a major Bitcoin mining pool, lost 127,000 BTC in a theft that went entirely unreported. For nearly five years, the stolen Bitcoin remained untouched, and LuBian quietly ceased operations without disclosing the breach. Arkham Intelligence uncovered the theft in August 2025 through on-chain analysis, revealing a critical flaw in LuBian’s private key system. The attacker exploited weak entropy in wallet key generation, allowing them to brute-force access and transfer the funds undetected. The stolen assets, now worth over $14 billion, have never moved, making this the largest and most concealed crypto theft of its time. Bitcoin stolen in 2020, exposed only in 2025 In December 2020, one of the largest Bitcoin (BTC) mining pools in the world abruptly disappeared from the network. LuBian, a China-based operation that once accounted for nearly 6% of the Bitcoin network’s total hash rate, had experienced a security breach. More than 127,000 BTC were withdrawn from its wallets in two transactions, amounting to around $3.5 billion at the time. No official statement was released. There was no alert to the public. LuBian never acknowledged the breach, and for almost five years, the stolen funds remained dormant on the blockchain. The theft went unreported and received little attention. In August 2025, a detailed investigation by blockchain analytics firm Arkham Intelligence revealed the full scope of what had happened in late 2020. BREAKING: ARKHAM UNCOVERS $3.5B HEIST – THE LARGEST EVER LuBian was a Chinese mining pool with facilities in China & Iran. Based on analysis of on-chain data, it appears that 127,426 BTC was stolen from LuBian in December 2020, worth $3.5 billion at the time and now worth… pic.twitter.com/PnIOKgMt0i —…
The post 127,000 Bitcoin went missing in 2020 — no one asked why appeared on BitcoinEthereumNews.com.
Arkham has uncovered a 2020 heist involving 127,000 Bitcoin. The mining pool never reported it, and the funds never moved. Summary In December 2020, LuBian, a major Bitcoin mining pool, lost 127,000 BTC in a theft that went entirely unreported. For nearly five years, the stolen Bitcoin remained untouched, and LuBian quietly ceased operations without disclosing the breach. Arkham Intelligence uncovered the theft in August 2025 through on-chain analysis, revealing a critical flaw in LuBian’s private key system. The attacker exploited weak entropy in wallet key generation, allowing them to brute-force access and transfer the funds undetected. The stolen assets, now worth over $14 billion, have never moved, making this the largest and most concealed crypto theft of its time. Bitcoin stolen in 2020, exposed only in 2025 In December 2020, one of the largest Bitcoin (BTC) mining pools in the world abruptly disappeared from the network. LuBian, a China-based operation that once accounted for nearly 6% of the Bitcoin network’s total hash rate, had experienced a security breach. More than 127,000 BTC were withdrawn from its wallets in two transactions, amounting to around $3.5 billion at the time. No official statement was released. There was no alert to the public. LuBian never acknowledged the breach, and for almost five years, the stolen funds remained dormant on the blockchain. The theft went unreported and received little attention. In August 2025, a detailed investigation by blockchain analytics firm Arkham Intelligence revealed the full scope of what had happened in late 2020. BREAKING: ARKHAM UNCOVERS $3.5B HEIST – THE LARGEST EVER LuBian was a Chinese mining pool with facilities in China & Iran. Based on analysis of on-chain data, it appears that 127,426 BTC was stolen from LuBian in December 2020, worth $3.5 billion at the time and now worth… pic.twitter.com/PnIOKgMt0i —…
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