Hacker News new | ask | show | jobs
by freeloop2 3200 days ago
A double spend isn't an invalid block. This renders the rest of your argument invalid.
1 comments
tboyd47 3199 days ago
> For each input, if the referenced output has already been spent by a transaction in the main branch, reject.

https://en.bitcoin.it/wiki/Protocol_rules

link
freeloop2 3199 days ago
That isn't a double spend!
link