In a previous post we  looked at how we are going to scale #IoT deployments. The conclusion  was that we needed the notions of trust and privacy to be in place for  that to happen. In a follow up post,  we looked at using a middle man to provider a broker platform that  would mediate transactions between server side service applications and  nodes in the field. While this seems to be a standard approach that has  worked in the past for many markets, it does not seem to be catching on  in #IoT for unknown reasons so far. Hence the need to look at fresh  ideas to drive this horizontal exponential growth in #IoT deployment.
Looking at movement in the market, we see that there has been a huge growth in the acceptance of blockchain technology in the financial community. Regardless of which digital currency is used for the transactions, be it bitcoin or IoTcoin, the underlying technology seems to be perfectly suited for private and trusted #IoT transactions.
Privacy
    Nodes conducting transactions using blockchain can choose to expose  only specific information regarding the node and the owner of the node.  It is not necessary as in the broker model to perform full disclosure  during the registration phase before being allowed to transact. Nodes  can even expose different information for different transactions.
Security
    By design, security is one of the main factors on which blockchains  are built using strong encryption, chains of transaction blocks and  temporal transaction tracking. The details of how this works are  exciting and are to be found in many postings on the web these days.
Trust
    Any write up of blockchain will include a big section on how  the technology enables trusted transactions between untrusted parties.  How digital contracts are secured and enforced online in the electronic  ledger to remove friction from doing business.
Micro-payments 
    In the case of bitcoin, the coin is divisible to eight decimal  places which is ideal for doing micro-payments to nodes where it is  expected that a sensor reading to be sold for a thousands of a cent. If a  new IoTcoin is introduced then for sure it will also use the same  scheme to allow such small payments. Such a transaction is now possible  since we are talking about a digital, peer to peer secure transaction  with no broker, no fees, and no friction. Such payments open the door  for giving people back the ownership of their data since there would be a  means to charge for it before releasing it to multiple entities.
I strongly recommend that you read this book or for that matter any other book on blockchain technology while keeping in mind how it applies to #IoT.
So there we have it! No broker, no fees, no friction. A beautiful way to proceed with secure micro-payment transactions in a private and trusted fashion directly with any smart and connected node. Best of all, the scheme is based on an industry standard which is what everyone has been asking for.
    Always interested to hear your comments about the subject but please do not try to convince me that #IoT is still hype.
Also Read: #IoT Big Data is worthless!


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