This has already been posted here:
Pigovian Tax: Idle Voucher Tax
Implement a Pigovian tax on idle vouchers. The tax will progressively decrease the human’s drip rate, based on the formula, over a period of time, until it hits zero or a minimum. Humans can work their way back to the average rate over time by increasing their vouching activity. The tax rate should reflect the following variables: Number of users onboarded to the registry As humans onboarded to the registry increase the protocol’s opportunity cost of idle participants decrease Voucher…
This is plagiarism if you’re not going to cite.