swIDch Auth SDK provides login functions based on swIDch’s powerful authentication technology, OTAC (One-Time Authentication
Code). OTAC provides the most secure authentication in cyber security because it is impossible to reuse, never duplicates or
overlaps with others, and generates real-time dynamically changing authentication methods without connecting to a server.
Generated by the client device, OTAC is a one-time random code that can identify users in a networkless environment.
remittance amount, etc., we can respond to memory hacking or MITM (intermediate attack) in a much safer manner.
※ The OTAC server is provided by swIDch’s cloud service.