Bitcoin Improvement Links: BTCR 0.2 ?

Links inspired by thread:
https://twitter.com/Brent_Shambaugh/status/1389293905066201096?s=20
https://twitter.com/Brent_Shambaugh/status/1389293905066201096?s=20https://twitter.com/Brent_Shambaugh/status/1389293905066201096?s=20
TapRoot / Schnoor:

https://www.coindesk.com/bitcoins-future-exactly-how-a-coming-upgrade-could-improve-privacy-and-scaling

Inside MAST: The Little-Known Plan to Advance Bitcoin Smart Contracts:

https://www.coindesk.com/inside-mast-little-known-plan-advance-bitcoin-smart-contracts

RGB Continues Its Work to Bring Better Smart Contracts to Bitcoin

https://finance.yahoo.com/news/rgb-continues-bring-better-smart-192554647.html


CoinJoin

https://en.bitcoin.it/wiki/CoinJoin

Lightning
https://blockstream.com/lightning/
https://github.com/ElementsProject/lightning
https://github.com/lightningnetwork/lnd