On Mon, Jun 27, 2022 at 10:30:39PM +0200, Ruben Somsen via bitcoin-dev wrote:
> >demand that a notification transaction meets some minimum miner fee
> 
> Note that this mechanism is not safe against miners, as they can pay
> themselves arbitrarily high fees with no downside.

Block space is relatively expensive, so maybe it's enough that the spammer has
to publish at all.

You could also do a timelocked sacrifice with OP_CSV.

-- 
https://petertodd.org 'peter'[:-1]@petertodd.org