• January 19, 2017: The Final alert has been broadcast. This final alert essentially disables the alert system by overriding all alerts, preventing other alerts from being broadcast, and displays the static message “Alert Key Compromised”. The Alert Key will be published in the coming months.
  • March 8, 2017: Bitcoin Core 0.14 released with hard-coded final alert.
  • May 1, 2017: Postpone release date of Alert key. Older clients may contain Alert handling code which is exploitable using the alert key, therefore the public release of the key has been temporarily postponed until considered safe.
  • July 3, 2018: The Alert key and Alert System vulnerabilities have been disclosed.