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Block chain and HR: a digital wedding?

This topic has recently tickled my interest, so I decided to make some checks on the origins of 'myth' and tell you why - with the due approach - this new technology frontier, could help the world of HR. let’s start from the definition, I search on internet, where you can find a lot, but this one I think is enough clear to proceed with my analysis: A block chain is a digitized, decentralized, public ledger of all crypto currency transactions. Constantly growing as ‘completed’ blocks (the most recent transactions) are recorded and added to it in chronological order, it allows market participants to keep track of digital currency transactions without central record keeping. Each node (a computer connected to the network) gets a copy of the block chain, which is downloaded automatically.

I learned that originally this technology has been developed as the accounting method for the virtual currency Bitcoin, block chains – which use what's known as distributed ledger technology (DLT), nowadays this technology is appearing in a variety of commercial applications. HR included of course.

Let’s start from one situation happened to me about 1 year ago.  I was looking for SAP specialists, the client of mine, was interested in particular profiles with ABAP experience in manufacturing industry. In particular, Indian candidate had a great impact on my client - at least from the point of view of his CV - so I was asked to organize a preliminary Skype video call with him.  What I noticed during the interview, with my evident surprise, was that the person on the other site of the computer, was not the person I was holding the profile. Let me explain better: the professional on the interview was obviously the person with the experience presented in the resume, but from some questions and personal details I asked him, including his photo and date of birth, I was in doubt that the person in front of me, was not the same which I had personal data on the resume. The final proof I had when I asked the candidate to show me the passport, totally different persona data. The person holding the interview was someone else, performing the technical interview on behalf of somebody else! Indeed the ‘owner’ of the right personal data indicated in the resume….

This situation came back to my mind these days, following some debates related to the use of block chain in the HR sector as a system for verifying people's identities.

Honestly, I do not know as I am not a lawyer, how the personal data included in the block chain can comply with the GDPR or polish RODO. Indeed, from a certain point of view, using block chain technology could greatly simplify the work of the HR department by allowing to quickly archive all information, keeping track of any changes in the data.

From the first interview with a candidate emerge a series of information on the resource that will be collected and stored: personal data, qualifications, certifications. Once you have joined the company then the professional will have to provide additional data that in turn will be kept by the company for the duration of the employment relationship and this applies to all present and future employees of any working reality. Question: how those data, probably stored in cloud system can be 100% protected for fraud, sharing, used, cracked? I have some dubs.

I also read somewhere that in the near future the block chain could be used in employee payment systems. This aspect is more advanced, but there are already examples of using this technology based on the assumption that bitcoin and crypto currency will soon be stable enough to support the entire payment management system of a company's employees.

Surely, we are going towards an extensive or 'invasive' (ironic) use of the technologies that will allow us to automate more and more, but I am asking to myself too little importance is given to ethical aspects of privacy and security that are fundamental nowadays.

And you, what do think? In the nearest future, marriage between HR and block chain will be possible?