It also seems like those "layers on top of BTC" erode one of the only aspects of blockchain that has appeal for me -- the full transparency of the system, such that you can see every exchange of BTC on the network.
The minute you offload any of that to other systems, you're essentially creating dark pools and money laundering opportunities because of differential oversight.
The minute you offload any of that to other systems, you're essentially creating dark pools and money laundering opportunities because of differential oversight.