TWCA, with 250,000,000 in capital, is mainly composed of four main shareholders, TWSE (Taiwan Stock Exchange Corporation), TDCC (Taiwan Depository & Clearing Corporation), FISC (Financial Information Service Co., Ltd.), and HiTRUST (HiTRUST Inc.).

Not only in capital pooling, TWCA also integrates main shareholders long-term technology, practice and experience in the industries of banking, securities and insurance, providing the most consolidate on-line financial security certificate service and embarking on the installation and promotion of sound financial security environment, to ensure the security of on-line finance and electronic commercial trade.

TWID ID Center provide four major services:

1. Multiple ID Mechanisms

2. Credential Management

3. E-signature/Verification

4. Data Sharing