user-1: If a project is vulnerable to some type of RBF policies, how could an attacker exploit this project?

user-1: An attacker with some nodes using RBF policy that will be used for the attack and some miners using same policy is all that's required to exploit vulnerable projects.

All you need is for there to be a path that follows the new relay rules
and gets from your node/wallet to perhaps 10% of hashpower

https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2022-February/019846.html

-1: <p>If a project is vulnerable to some type of RBF policies, how could an attacker exploit this project?</p>
 -1: <p>An attacker with some nodes using RBF policy that will be used for the attack and some miners using same policy is all that's required to exploit vulnerable projects.</p>
<blockquote>
<p>All you need is for there to be <em>a</em> path that follows the new relay rules
and gets from your node/wallet to perhaps 10% of hashpower</p>
</blockquote>
<p><a href="https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2022-February/019846.html" rel="nofollow noreferrer">https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2022-February/019846.html</a></p>
