BIP-30 by Pieter Wuille.

Liar. There are exceptions of seized/blocked coins at the protocol level, unfortunately.

Disagree. Bitcoin doesn't solve everything not anything. Bitcoin can be useful and solves a few things.

Support Bitcoin Improvement Proposal 444 (https://bip444.github.io). "(...) most people don't want the headache that comes with that [arbitrary file storage system] becuase it has nothing to do with money." - Bitcoin Mechanic at Plan B Forum 2025, "https://www.youtube.com/watch?v=O2R_LiXhRYI".