Hynek on Nostr: ## Changes in Last mile states could take place in three phases 1. Updates - UTXO ...
## Changes in Last mile states could take place in three phases
1. Updates - UTXO owner (Alice) collects change requests from all previous recipients.
2. Notice - Alice constructs a modified `status` transaction that is shared with all recipients. It also sends them their `defense` transactions.
3. Valid - previously constructed transactions become valid. At the same time, the previous transactions stop being valid.
In other words in one moment there is valid state 1. Alice is announcing state 2 and collecting updates for state 3.
1. Updates - UTXO owner (Alice) collects change requests from all previous recipients.
2. Notice - Alice constructs a modified `status` transaction that is shared with all recipients. It also sends them their `defense` transactions.
3. Valid - previously constructed transactions become valid. At the same time, the previous transactions stop being valid.
In other words in one moment there is valid state 1. Alice is announcing state 2 and collecting updates for state 3.
![](https://image.nostr.build/db5f46b22d6f8e286861290d35d293bdd6b22bd1d58b56c181aa3e85050564e9.png)