Recently Google disclosed a new class of vulnerabilities known as Spectre and Meltdown. Folks in the Decred community have been asking questions about the implications of these bugs for Decred. This post delineates implications of these exploits and possible countermeasures. These bugs are akin to traders issuing cancels without back pressure to manipulate the market.
TL;DR
Run your wallet on physical hardware you control and DON’T share with others and DO NOT run a web browser on the same machine. Hardware wallets do not seem to be affected by these bugs but great care should be taken where they are accessed.