[Jack Dorsey's Crypto Financial App Cash App Plans to Launch Bitcoin Proof of Reserves] Odaily Planet Daily News: According to market reports, billionaire Jack Dorsey's crypto financial application platform Cash App has officially launched the Bitcoin proof of reserves feature this week. This allows over 60 million users to verify that the Bitcoin holdings on its platform are fully backed 1:1 by reserves. The market views this move as an important step forward for the crypto industry in terms of transparency, user trust, and self-custody standards. It is also seen as a positive signal for promoting the long-term healthy development of the industry. (The Bitcoin Historian)