Jan 7 (Reuters) - World Liberty Financial, a crypto venture backed by the family of President Donald Trump, ​said on Wednesday that its subsidiary has filed ‌an application with U.S. banking regulators to establish a national trust bank ‌focused on stablecoin operations. Several major cryptocurrency firms recently secured preliminary approval from federal banking authorities to establish national trust banks, marking a significant step in integrating digital assets into ⁠the regulated banking ‌system. W ...