Key facts: CRYPTO:BTCUSD call-skew; $4B buffer; $61K–$67K OI; delay

BTCUSD open interest: about $15B in calls vs $10B in puts after expiry; main strikes concentrated $61K–$67K. Traders bought $65K calls and sold puts; positioning shows short-term call bias.Strategy sold 3,588 BTC of spot BTCUSD at an average $60,197, shifting from accumulation to selling and building a $4B cash buffer to cover obligations.BTCUSD traded mildly higher as regulatory clarity was delayed to September; traders awaited U.S. jobs data and shifting Fed rate-hike odds (Sep 55%, Oct 68%, Dec 83%) with a softer dollar.Attacker exploited five‑year Coldcard key flaw, stealing ~594 BTC from ~500 wallets. On‑chain transfers rose as holders moved funds; BTCUSD spot prices showed little reaction.BTCUSD long exposure rose on Hyperliquid as HyperLabs moved large HYPE token volumes to exchanges, amid mixed market bets on Bitcoin reaching higher levels in early August.This is an AI-generated summary and may contain inaccuracies. Please verify any important information with the original sources.