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MessageVortex
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WHAT IS IT?

MessageVortex is a protocol which is aimed to maintain the anonymity of sender
and recipient of a message towards third parties. In academia, this concept is
called unlinkability. Unlike other protocols, it does not provide its transport
protocol. Instead, it hides in common transport facilities such as email
(SMTP/IMAP) or chat (XMPP).

The protocol does provide the unlinkability by chucking the original message
into pieces. Then it is passed from node to node. On each node, we apply
operations very similar to the ones used in fault-tolerant disk systems. Any
VortexMessage no matter how big or small may carry parts or the full message. In
one routing node (the recipient) the message is assembled and thus readable for
the recipient. We refer the whole routing process onionized mixing. "Mixing" is
not entirely accurate as the protocol does more. It adds redundancy information
to the protocol while sending the message in chunks. This redundancy makes it
next to impossible for someone to follow the message flow.


FEATURES

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UNOBSERVABLE

It is not possible to observe a sender by design with the MessageVortex
protocol.

NO CENTRAL INFRASTRUCTURE

As there is no internet infrastructure required! Anyone may start using th
protocol immediately.

NO POSSIBILITY TO FOLLOW MESSAGES

No server knows where messages pass through. Everything is under senders
control.

FULL CONTROL FOR RBB

A Routing Block Builder (RBB; typically the sender of a message) has full
control over the security of a message.

NO NECESSITY FOR SIMULTANEOUS UPGRADES

Every node or endpoint has its own unique properties. Not upgrading may endanger
the nodes security but does not affect the MessageVortex network.

RUNS ON SMALL DEVICES

Even a device as small as a RaspberryPi Zero W may run a VortexNode.

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WHY SHOULD WE USE JUST ANOTHER PROTOCOL?

What is so special about the protocol you might ask. First, it has some unique
properties because it hides within other protocols. Therefore, all "ordinary
users" of the protocol do improve hiding as they increase the mass to be
analyzed. Another unique property is that it relays not on any trust into a
central infrastructure. In fact, we assume malicious nodes. Third, any message
transferring account may be used to send VortexMessages. No need to build
specialized servers. A smartphone or an ordinary PC can do it.


WHERE SHOULD I START?

Currently published is only the draft of the RFC document some academic work and
an executable binary. If you are interested in the projects source code, feel
free to contact the website owner. It should be released, but at this point, the
code is still in desperate need of some massaging. There is already a working
(but not yet complete) implementation for academic experiments available.

Just give it a try.

Until the end user version is released, feel free to read the RFC draft or the
other docs. They are becoming more and more stable. The protocol may be
considered as final.

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