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.
Bank ABA Numbers. Dow Chemical Employees Credit Union Routing Number 272482838. Call (989) 835-7794 for wire instructions for domestic wire transfer to and from Dow Chemical Employees Credit Union, international wire transfer, wire transfer fees and cut off time for wires.