Private Bitcoin transactions have surged threefold since 2022, driven by significant accumulations from Bitcoin whales linked to ETFs, MicroStrategy, and custodial wallets. Analysts highlight that these whales often utilize CoinJoin for privacy, despite concerns over its association with illicit activities. Speculation arises about unidentified entities amassing up to 420,000 Bitcoin, potentially including nation-states or sanctioned countries, as regulatory scrutiny on privacy tools intensifies.