原级：signer
1. As Internet trade requires a reliable third party to identify the signers, the credibility of the online certification organizations is significant for transaction security.
2. The draft law stipulates that institutions who want to provide identification services for online signers need to get the nod from related government organizations.
3. As Internet trade requires a reliable third party to identify the signers, the credibility of online certifying organizations is significant for the transaction security.