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BlockBeats News, December 7, last Friday, multiple markets under CME Group—the world’s second largest derivatives exchange—experienced trading interruptions for over 10 hours due to a data center outage. Data center operator CyrusOne confirmed this Saturday that the major disruption was caused by human error. A CyrusOne spokesperson stated that on-site staff and contractors at the Aurora, Illinois data center failed to follow standard procedures to drain the cooling towers before freezing weather, resulting in the cooling system freezing and operating under excessive pressure, which led to loss of temperature control in the equipment. Although CyrusOne claimed to have taken comprehensive and decisive measures to restore the cooling system, CME pointed out in a statement that the initial remedial actions at the data center actually worsened the problem, ultimately causing multiple chillers to fail. This incident highlights the significant risk of CME’s heavy reliance on a single data center. The facility was originally owned by CME and was sold to CyrusOne in 2016, with a 15-year leaseback agreement. CME stated this Saturday: it fully recognizes the serious impact this incident has had on global clients. (Golden Ten Data)

BlockBeats News, December 7, according to CoinDesk, a wallet address associated with Casascius physical bitcoin, which had been dormant for over 13 years, recently transferred 2,000 BTC (approximately $180 million). These BTC had not moved since 2011–2012, when the price of bitcoin was less than $15 each. Background on Casascius physical coins: Launched in 2011 by American entrepreneur Mike Caldwell, these coins embed a private key and are sealed with a tamper-evident hologram, serving as offline cold storage. Denominations range from 1 BTC to 1,000 BTC. In 2013, issuance was forced to stop after FinCEN classified it as an “unregistered money transmission business.”There are still about 90,000 coins in circulation, but most are of small denominations; only 6 coins and 16 bars contain 1,000 BTC each. It is currently unclear whether this transfer was a sale, an internal restructuring, or simply for security reasons (such as concerns over the aging of physical materials). Earlier this year, a user holding a 100 BTC Casascius bar also had to move approximately $9 million in funds to a hardware wallet because it was difficult to import the private key into modern wallets.