The concept itself is not new, with common law jurisdictions having recognized telegraph signatures as far back as the mid-19th century and faxed signatures since the 1980s. From Wikipedia
Crane Federal Credit Union Routing Number. 283977688 routing number is a 9-digit number designed and assigned to Crane Federal Credit Union by The American Bankers Association (ABA) to identify the financial institution upon which a payment was drawn.
311079238 Routing Number (TEXAS DOW EMPLOYEES CREDIT UNION) 311079238 is assigned to TEXAS DOW EMPLOYEES CREDIT UNION, LAKE JACKSON, Main Office by American Bankers Association (ABA). TEXAS DOW EMPLOYEES CREDIT UNION Main Office is located at 1001 F M 2004, LAKE JACKSON, TX. In case of any confusion regarding the routing number, one call the bank directly at (979) 297-1154. FedACH Routing Number