This is correct, but neither does the WeHateCaptcha approach. Thus spending time is better for the environment then spending energy ;)
Other idea: Something like Proof-of-Elapsed-Time. A click on the verify button requests a token from the server. The server performs the action if the token is old enough. -> No battery drain; equal waiting times for…
This is correct, but neither does the WeHateCaptcha approach. Thus spending time is better for the environment then spending energy ;)
Other idea: Something like Proof-of-Elapsed-Time. A click on the verify button requests a token from the server. The server performs the action if the token is old enough. -> No battery drain; equal waiting times for…