They could also potentially write their latest address to the Ethereum blockchain instead, assuming there is a client that could scan and resolve. This would be

They could also potentially write their latest address to the Ethereum blockchain instead, assuming there is a client that could scan and resolve. This would be bulletproof. Nation-state hackers deliver malware from "bulletproof" blockchains - https://news.ycombinator.com/item?id=45860258 https://news.ycombinator.com/item?id=45860258 - November 2025