@xannaxxx, the main purpose of Bitmark is to serve as a blockchain platform for marking.
The coin was launched in July 2014 - When I got involved sometime later, I focused on improving the security and dynamics of the blockchain - we are close to launching the fork which will allow 8 different Proof-of-Work algorithms to secure the chain, as well as adopt Dark Gravity Wave v3 difficulty retargetting and a block-reward modulation algorithm among other things
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Others in the group are workng on higher level cutting-edge marking functions.
So all in all, I think that Bitmark is an innovative coin, and I'm glad to be contributing towards achieving its vision.
Define "marking"
Marking means different things to different people.
One of the things it means is registering *something* in the form of digital data in an on-chain transaction. So, for a simple example, you take a photograph with your mobile device and an application 1) hashes the photograph and records the hash on a transaction. This becomes proof that this photograph existed at the time the transaction was validated on a block in the blockchain 2) The actual photograph is uploaded to some form of cloud storage, where it can be retrieved later.
This serves the function of notarizing or certifying that the photograph existed at that time. If more photographs are taken in sequence and likewise marked on-chain, it can become proof of an event happening, or a meeting taking place, or any number of things.
A contract is signed. The parties video record themselves signing, and along with the text of the contract and scans of the signature pages, this data is hashed and recorded in an on-chain transaction.
Recording ownership of all sorts of assets can also be done on-chain.
Marking has also been used as a reputation system, where coins are awarded to users in a chat room or troll box by other users. The sum of these accumulated transactions constitutes a user's reputation.
These are just a few examples; others here may be able to expand or provide more detail.