on the blockchain, which again requires authenticating itself to the chain.
The issuer would ideally like to have separate keys for each of these functions so that when one key is compromised or lost, its other functions are not impacted.
在区块链上，这再次需要对链进行身份验证。
理想情况下，发行者希望为这些功能中的每一个拥有单独的密钥，以便当一个密钥被泄露或丢失时，其其他功能不会受到影响。