What do I do next?

Research the issues.
Pools: run the BIP 300 CUSF software.
Miners: switch to a pool that is running the software.

Pool Support

Pool	Support
Foundry	Unknown
AntPool	Unknown
ViaBTC	Unknown
F2Pool	Unknown
SpiderPool	Unknown
MARA Pool	Unknown
SBI Crypto	Unknown
Binance Pool	Unknown
Luxor	Unknown
Braiins Pool	Unknown

Learn More

Read the CUSF paper.
Try the drivechain software (with testnet play-money).
Join the Telegram.
Visit drivechain.info and LayerTwoLabs.com.
Explore the drivechain YouTube playlist.
Read "All the world's txns" and "Security Budget II".
Follow Paul Sztorc on Twitter.

Contact

The best way of making contact is via Telegram Group.