In our latest #EngineeringBlog article, the #BlockstreamResearch team describes a hypothetical undetectable hardware wallet key exfiltration attack, and a new feature we've developed for #BlockstreamJade (and other HWWs) to protect users' keys. 🔐💠 https://medium.com/blockstream/anti-exfil-stopping-key-exfiltration-589f02facc2e