Early on October 26th, the Dash network experienced a problem that impacted all 4,700+ Dash Masternodes. The submission of a Dash budget proposal resulted in a Dash Masternode supporting tool (Sentinel) failing to successfully process the proposal. Sentinel is required to run on all masternodes and serves, in part, to check-in to the Dash network after it performs its tasks. Consequently, Sentinel was unable to check-in and hundreds of nodes were dropped from the network.
You can read more about the issue on the official Dash forum here: https://www.dash.org/forum/threads/masternode-operators-sentinel-hotfix-action-required.17568/
To be clear, this was a Dash software problem and not related to NODE40 in any way. All masternodes across the entire Dash Network were impacted.
The Dash core developers quickly issued a patch and NODE40 applied it to all masternodes within 15 minutes of notification. Unfortunately, due to the short window of time required to apply the patch, a small number of masternodes fell off the network. If you host masternodes with NODE40 and you were impacted, you have already been notified with instructions to restart your affected masternodes.
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