This Week in Crypto (August 31–September 7): Liquid Loses 95% of Its Bitcoin to a Cache Bug, Twenty-One Banks Launch a Dollar, and the House Leaves Two Days After Crypto's Big Vote. The largest crypto theft this week involved no stolen key. Blockstream's Liquid sidechain lost about 95% of its bitcoin on Saturday because a caching shortcut let someone mint coins that were never there, and the federation signed the withdrawal correctly. Elsewhere: twenty-one of the world's largest banks committed to issuing their own dollar, the House cancelled the two voting weeks behind crypto's big Senate vote, and ETFs took $3.8 billion over three weeks while markets priced a two-in-three