1. 1Q2TWHE3GMdB6BZKafqwxXtWAWgFt5Jvm3 is Hal's address, so that means the message was written by someone with Hal's private key (not from Satoshi's). 2. Hal di

1. 1Q2TWHE3GMdB6BZKafqwxXtWAWgFt5Jvm3 is Hal's address, so that means the message was written by someone with Hal's private key (not from Satoshi's). 2. Hal died 2014, that address last sent btc in 2017, so someone else (estate?) had access to the private key. I wouldn't be surprised if the private key got leaked (maybe even sold), so it's entirely possible that someone else signed that message (and recently at that). 3. Not sure if there's evidence that Hal even knew who satoshi was But yeah, crazy... I verified the message too, I just don't think it's conclusive evidence of who satoshi is/was Interesting and important note from playerTwo in the comments.