Bitcoin: A Peer-to-Peer Electronic Cash System [pdf]
bitcoin.org
bitcoin.org
https://scalingbitcoin.org/papers/mimblewimble.txt
where outputs are simply Pedersen commitments r*G+v*H, and ownership is knowledge of their blinding factor r. This require an interaction between sender and receiver to jointly construct a signature, but allows all spent outputs to be completely removed from blockchain history.
And monetary sovereignty.
i miss those times. it just too much work now to filter through the bullshit.