According to @lookonchain, Bitcoin mining firm MARA deposited another 644 BTC (about $58.7M) to FalconX and Coinbase Prime on Nov 20, 2025, source: Lookonchain. The mara-pool entity on Arkham Intelligence shows corresponding outflows that align with this transfer, supporting the reported movement, source: Arkham Intelligence. Traders monitor miner-to-venue flows as a potential near-term supply indicator in BTC spot and derivatives markets, source: CryptoQuant.