Enhancement: Use "invitation code" to verify

[vicevolf]

What features would you like to see added?

In my opinion, one of the more effective ways to protect public community services is to use "invitation codes" to verify actions such as the registration of new users.

More details

Examples are as follows:

1. Optional mode, new users must enter an invitation code to register;
2. Optional feature, old users (e.g., one week after first using the service) can get a new invitation code each week (up to 3 codes) to invite new users;
3. Optional feature, another set of invitation codes can provide advanced features, such as users being able to exchange for token balances;

This strategy is inspired by the early registration scheme of the Blue Sky Community, which can protect service security and community ecology, and limit the expansion speed of the service. Additionally, the invitation code has the potential to integrate with other services. Accordingly, there might also be a need to manage the invitation codes, such as importing invitation codes, tracking their usage, and invalidating codes.

Which components are impacted by your request?

General

Pictures

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Code of Conduct

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[VincentJGeisler]

yes this! a way of preventing open signups is badly needed.

[berry-13]

what about something like this?
#3012

[vicevolf]

像这样的事情怎么样？ #3012

Not entirely similar, this is an additional method of security verification, allowing relatively automatic circulation within small social circles, rather than a way to invite new users.