Not nearly as entertaining as recent international affairs that may be driving more interest to the space.
more access, better tech, fewer scams. Where do you see that we are the same as we were a few years ago?
-CheckSequenceVerify (CSV)
-Replace-By-Fee (RBF) -> See Peter Todd and https://medium.com/@bramcohen/how-wallets-can-handle-transac...
-compact blocks
-segwit (already been released, waiting to be activated by miners)
-good progress by the 5 implementations (alpha-versions) of the Lightning-protocol (hughe improvement on scalability and even privacy by using TOR). See Rusty Russell: https://medium.com/@rusty_lightning/the-bitcoin-lightning-sp...
Compact blocks are definitely an improvement for the network though.
http://www.coindesk.com/bitcoin-price-trading-highest-level-...
This stuff is brilliant.
If you are using it for tax avoidance or money laundering, it is already illegal.
Ofcourse things are easier to hide if you want to for a while, but how would you turn it into actual money if we are talking large amounts?
In the other hand private "blockchains" are waiting for a killer and real implementation.