https://blockviz.xyz/news/2026-04-21-institutional-bitcoin-accumulation-shrinks-tradable-supply BlockViz en 2026-04-21T00:00:00.000Z Institutional Bitcoin Accumulation Shrinks Tradable Supply https://blockviz.xyz/news/2026-04-22-whale-accumulation-near-usd1b-signals-rising-confidence-in-bitcoin-s-push-toward BlockViz en 2026-04-22T00:00:00.000Z Whale Accumulation Near $1B Signals Rising Confidence in Bitcoin's Push Toward $80K