Bitcoin Updates: Crypto Market Swings Intensify Amid Whale Sell-Offs, Quantum Security Concerns, and Growing ETF Presence
The cryptocurrency sector saw significant upheaval over the weekend, highlighted by the full liquidation of one of Bitcoin’s earliest large holders, the introduction of a leveraged
Dogecoin
ETF, and renewed anxiety about the risks posed by quantum computing. These events emphasized the market’s persistent instability and changing investor attitudes.
Owen Gunden, a veteran
Bitcoin
whale who had maintained a holding of 11,000
BTC
since 2011,
completed the sale of his entire stash
over the last month, moving the final $230 million in Bitcoin to Kraken on November 20, 2025. Blockchain analytics company
Arkham
…
