Blockchain, a form of Distributed Ledger Technology, has been gaining enormous attention in areas beyond its cryptocurrency roots since more or less 2014: blockchain and IoT (the Internet of Things), blockchain and security, blockchain and finance, blockchain and logistics, you name it.
As we wrote before it seems as if blockchain technology or, better, Distributed Ledger Technology, is about to change all aspects of digital business and according to some such as Don Tapscott, blockchain is a bigger deal than the Internet. Combine blockchain and IoT and you have two bigger deals than the Internet who need eachother for numerous reasons we explain in this IoT blockchain overview.
Blockchain (there are many blockchains in fact and it’s more than the technology powering Bitcoin), has been mentioned by virtually all research firms as a rapidly accelerating evolution and it’s not just about financial services companies, the scope in which we tackled blockchain outside of its cryptocurrency roots the first time (namely FinTech or financial technology). In fact, the convergence of blockchain and the Internet of Things is on the agenda for many companies and there are existing implementations, solutions and initiatives in several areas, outside of IoT and financial services too.
Before we explore the benefits, solutions, expectations and evolutions with regards to blockchain and IoT a few words on blockchain, which is increasingly used and tested in IoT and beyond.
The distributed Internet of Things meets Distributed Ledger Technology
As Frank Gens said in IDC’s 2017 worldwide IT technology FutureScape webcast (report here), blockchain is also becoming important in third generation security, to name just one example.
And since quite some time blockchain is increasingly being looked upon in an Internet of Things context. Blockchains have many benefits. They are not the answer to all challenges of the digital economy as sometimes is said but it’s certain that they will play an increasing role in the Internet of Things.
On November 2nd, 2016, Forrester’s Dan Bieler mentioned blockchain’s potential for IoT solutions. In a nutshell:
As Internet of Things applications are by definition distributed it’s only normal that the distributed ledger technology, which blockchain is, will play a role in how devices will communicate directly between eachother (keeping a ledger and thus trail of not just devices but also how they interact and, potentially, in which state they are and how they are ‘handled’ in the case of tagged goods).
Blockchain is designed as a basis for applications that involve transaction and interactions. These can include smart contracts (smart contracts are automatically carried out when a specific condition is met, for instance regarding the conditions of goods or environmental conditions) or other smart applications that support specific Internet of Things processes. This way blockchain technology can improve not just compliance in the IoT but also IoT features and cost-efficiency.
The industry is not waiting and takes initiatives
It is still early days, Bieler says. That is certainly true. However, at the same time big tech companies are not waiting, probably one of the reasons Bieler advices to start looking at the combination of blockchain(s) and the Internet of Things.
IBM Blockchain, for instance, already allows to extend (private) blockchain into cognitive Internet of Things. To illustrate the benefits of blockchain and Internet of Things convergence, IBM gives the example of complex trade lanes and logistics whereby smart contracts can follow (and via blockchain technology register), everything that has happened to individual items and packages. The benefits: audit trails, accountability, new forms of contracts and speed, to name a few.
In the image below from an IBM infographic, the company sums up three key benefits of using blockchain for IoT. They are also often mentioned as other blockchain benefits but in other parts of the infographic and the IBM video below, there is more in-depth information about the topic. The three benefits of blockchain for IoT, according to IBM: building trust, cost reduction and the acceleration of transactions.
IoT and blockchain challenges to solve
Also on November 2nd, 2016, Forrester’s Martha Bennet confirmed that it’s time to start looking at that IoT and blockchain convergence, even if the combination of both might not be for today.
She defines three categories of challenges that Internet of Things and blockchain ecosystems participants must address.
In a nutshell the key challenges for IoT and blockchain ecosystems participants, according to Forrester, are:
Technology, whereby mainly security comes in the picture. In an Internet of Things context where security is already a challenge, it’s clear that security needs to be even more looked at. It is important to note though that blockchain is also seen as a way to secure the Internet of Things and, as mentioned, security overall but that is another discussions with several opinions and aspects to cover.
Operational challenges: the business model and the practical aspects as this requires many agreements and of course many actors too in a broad ecosystem. Just think about that IBM logistics example.
Legal and compliance issues. Bennet among others refers to responsibility issues in case of actions that are taken by devices, based on a rule that is automatically executed by a blockchain-based application, triggered by another blockchain-based application (you see the complexity). And then there is the mentioned example of smart contracts. As you know contracts are far from easy, even outside this IoT and blockchain context.
Understanding the convergence of blockchain and the Internet of Things
We have two more resources for you in the context of IoT and blockchain converge.
Below is a presentation by consultant Willi Schroll who graphically explains the topic.
In the IBM developerWorks TV video below, the convergence of blockchain and the Internet of Things is discussed.
Obviously it mentions IBM’s efforts and solutions in the space but if you are new to blockchain technology, the usage of it and of course how the Internet of Things and blockchain (can) work together, you’ll certainly learn a few things too.
Top image: Shutterstock – Copyright: Ditty_about_summer – All other images are the property of their respective mentioned owners.