Bitcoin rose 5.8% as the U.S. Treasury said it will at least double the maximum size of long-end liquidity-support buybacks to $4 billion from Sept. 9.
Treasury said it sanctioned Iran-linked crypto wallets, with reporting showing Tether froze about $131 million in USDT across four TRON addresses.
The U.S. and UK issued five digital-asset recommendations and a 10-point stablecoin statement, seeking cross-border rules for tokenized securities, collateral and private digital money.