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Blackout Comms Off-Grid Messaging

Blackout Comms lets you send direct messages to a specific person or device in your private channel or broadcast a message to every device in your cluster or channel. Either way, the message is always encrypted and digitally signed.

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Direct Message

  • Sent to a single person or device

  • Uses smart mesh path planning to route message

  • Highly targeted between the sender and recipient

Message Expiration

Adjustable: 5 min to 24 hours

Confirmations

DM sent directly (no mesh)

DM queued for mesh send

DM accepted into mesh

Confirmation received directly

Confirmation received via mesh

Highly Targeted Delivery

Devices in your cluster will cooperate to deliver your message ASAP, until message delivery is confirmed or expiration.

 

Packets are sent in a targeted & opportunistic way, rather than blindly repeating.

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Highest Security

  • Message remains private between the sender and recipient, no matter how it's delivered

  • Asymmetrically encrypted between sender & recipient

  • Digitally signed by sender (ECDSA)

  • Transmission broken/striped across unpredictable frequencies known only to sender/recipient

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Broadcast

  • Sent to as many people as possible

  • When sending, choose: [All Devices]

  • Only use when necessary

  • Can tie up bandwidth if many are sent in a short time

Message Expiration

Adjustable: 5 min to 2 hours

Confirmations

Broadcast sent

1+ device(s) has received it

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Blind Delivery

Your device will broadcast immediately and continue at random intervals until expiry is reached. This delivers the message as far and fast as possible, but everyone in the cluster (or channel) can view it.

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Any device receiving the message, will re-broadcast within 60 seconds, and then continue re-broadcasting at random 5-10 minute intervals until expiry is reached.

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Private to the Group

  • Message is private to the group, but visible to everyone in the group who receives it

  • Symmetrically encrypted using cluster’s secret keys

  • Digitally signed by original sender (ECDSA)

  • Transmissions (including rebroadcasts) happen entirely on the cluster’s current frequency

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