Blockchain and the five vectors of progress

For most companies, the value of blockchain is still more potential than actual. But barriers to adoption are falling, helping to resolve key issues and bring the technology into the mainstream.
 

BLOCKCHAIN technology continues to inspire widespread enthusiasm. Business leaders across industries see its potential to streamline business processes, enable new business models and potentially reshape industries. But for most enterprises, obstacles have kept the value of blockchain more prospective than actual and commercial adoption thus far remains limited. As the technology continues to mature, progress along five vectors can help mitigate or topple existing barriers to adoption—and bring blockchain closer to the mainstream.

Signals

  • IBM researchers tested an application running on the Hyperledger Fabric blockchain platform that achieved a throughput of 3,500 transactions per second with sub-second latency 1
  • The Enterprise Ethereum blockchain consortium unveiled an open-source, cross-platform, standards-based framework 2
  • Over the past two years, major technology vendors—including five of the world’s biggest cloud companies—have introduced blockchain-as-a-service 3
  • State legislatures have taken action on dozens of blockchain-related bills so far this year and at least eight US states have already passed laws pertaining to blockchain 4
  • The number of active blockchain consortia across industries has rapidly increased from 28 in 2017 to more than 60 5

Multiple barriers to the adoption of blockchain technology

Analysts widely expect blockchain technology to one day have a significant impact on business. Effectively incorporated, the technology has the potential to improve efficiency and effectiveness, cut costs and increase income by helping to create new products, services and business models. 6 This promise has led many companies to invest time and resources in blockchain pilot projects. In fact, analysts forecast enterprise spending on blockchain to double year over year, to US$2.1 billion in 2018. 7

However, unresolved issues are keeping many enterprises from adopting the technology. In a recent survey, only 9 per cent of CIOs agreed that their organisation has either implemented blockchain-related projects or plans to within a year. 8

One major reason: As a means of processing transactions, blockchain-based systems are comparatively slow. Blockchain’s sluggish transaction speed is a major concern for enterprises that depend on high-performance legacy transaction processing systems. 9 A lack of standards and interoperability between various blockchain platforms and solutions is another challenge. 10 Unless blockchain technology can be readily connected to existing enterprise systems, it will be of little utility in large programmes and initiatives. Legal and regulatory concerns around data privacy, intellectual property, enforceability of contracts and choice of jurisdiction are inhibiting the technology’s adoption. 11 And businesses are constrained by blockchain’s technical complexity, which limits the feasibility of implementing distributed ledger systems.

Progress in five areas can help overcome barriers to adoption

There is good news for blockchain enthusiasts: Progress is being made in addressing these obstacles. Deloitte has identified five key vectors of progress that could drive wider adoption of blockchain. Three of these vectors—increase in transaction speeds, standards and interoperability and ease of implementation—enhance technical feasibility. The other two—regulatory advancements and expansion of consortia—help broaden the technology’s applicability to a greater number of use cases and industries.

Increasing throughput and performance

Blockchain can be slow. In contrast to some legacy transaction processing systems able to process tens of thousands of transactions per second, the bitcoin blockchain can handle only three to seven transactions per second; the corresponding figure for Ethereum blockchain is as low as 15 transactions per second. 12 Because of its relatively poor performance, many observers do not consider blockchain technology to be viable for large-scale applications. 13

But developers are working on a promising way to close this performance gap: They are developing new consensus mechanisms. Consensus is how participants in a blockchain network come to agree that the transactions recorded in the digital ledger are valid. The consensus mechanism popularised by the bitcoin blockchain enables participants to trust the validity of the transactions even if they do not trust each other. This magic comes at a cost of sluggish performance and exorbitant use of computational resources entailed in the proof-of-work mechanism it uses.

Newer consensus mechanisms promise significantly higher performance. They achieve this with designs that reduce or eliminate time- and energy-intensive mining and reduce the number of nodes that must validate a transaction for it to be considered final. Each of the emerging consensus mechanisms has advantages and disadvantages that make them better or worse for certain applications. 14 Considering the diversity of applications for blockchain, this is actually a good thing: Applications can choose the tradeoffs in performance, functionality and security that are appropriate for the application.

These mechanisms can bear exotic names such as Practical Byzantine Fault Tolerance, Federated Byzantine Agreement and Delegated Proof of Stake and are being used by prominent blockchain platforms including Hyperledger, Stellar and Ripple. The Ethereum platform is moving towards a hybrid consensus mechanism that combines proof-of-work mining with a proof-of-stake system intended to motivate trustworthy behaviour in the network. 15 In a proof-of-stake system, only participants that can show they own a certain number of cryptocurrency assets—and therefore have a stake in the reliable functioning of the system—are able to validate transactions. Sharding, a means of accelerating the consensus process by allowing nodes to work in parallel, is also coming to Ethereum; 16 upstart Zilliqa has announced a live implementation of sharding that it claims can process some 2000 transactions per second. 17

Blockchain designers continue to explore newer consensus mechanisms such as proof of burn, proof of capacity and proof of elapsed time. 18 The evolution of consensus mechanisms is improving blockchain speed significantly—good news for applications in domains such as trade finance, supply chain traceability, auto leasing, marine insurance, health care and insurance. 19

Enhancing standards and interoperability

A lack of standards grants blockchain coders and developers freedom—and can give IT departments headaches as they discover that platforms can’t communicate without translation help. According to a Deloitte study, the cloud-based code repository GitHub features more than 6,500 active blockchain projects that use diverse platforms with multiple coding languages, protocols, consensus mechanisms and privacy measures. 20

Standardisation could help enterprises collaborate on application development, validate proofs of concept and share blockchain solutions as well as make it easier to integrate with existing systems. 21 Help is on the way as a growing number of industry participants work to enable cross-blockchain transactions, interconnectivity and standardisation.

For instance, last year the Enterprise Ethereum Alliance was founded to create a standard version of Ethereum blockchain software for business. As of July 2018, the alliance had nearly 600 members. 22 Membership in the Hyperledger Foundation, an open-source collaborative effort created to advance cross-industry blockchain technologies, has reached 250 organisations. 23 One of the projects supported by the Foundation is the Interledger protocol, a means of routing payments across different ledgers that may be based on diverse technologies. 24

Another standardisation effort gaining traction is the Decentralised Identity Foundation, a consortium formed to promote standards for blockchain-based identity systems. 25 Such systems may eventually enable new business models as well as new ways of administering public services. Membership in that consortium has reached nearly 60 organisations so far. 26

In some cases, the industry is working towards interoperability simply by adopting existing standards in the context of new blockchain applications. For instance, IBM and Microsoft are implementing data standards developed by GS1, a leading global standards organisation, in their respective enterprise blockchain applications for supply chain clients. 27

“The nice thing about standards,” quipped computer scientist Andrew Tanenbaum, “is that you have so many to choose from.” 28 Certainly, there are multiple blockchain standardisation efforts under way. But there are also many facets to the technology and innumerable industry-specific issues that will each require their own standards. The efforts we are seeing represent a vector of progress for blockchain technology.

Reducing complexity and cost

The costs and complexities involved with building and deploying blockchain solutions are significant obstacles to the adoption of the technology. 29 To address these challenges, nearly a dozen big technology vendors—including Amazon, IBM and Microsoft—now provide cloud-based blockchain technology as a service. New cloud offerings have been coming to market at an accelerating pace and have the potential to lower the barriers to developing and operating blockchain networks. 30 Cloud providers are releasing blockchain templates intended to automate the setup of basic blockchain infrastructure; vendors claim this can reduce application development from months to days. 31 They are also partnering with developers of blockchain-building tools to ease development. For instance, Google and the startup Digital Asset announced a partnership to make Digital Asset’s blockchain-building tools easily accessible in Google’s cloud. 32

Besides the cloud, new software platforms are aiming to ease the development and deployment of blockchain applications. For example, the open-source Sawtooth platform has a modular design that separates the core system from application-specific functionality, hiding complexity from developers. It also allows developers to create apps in their preferred language, such as JavaScript and Python, without worrying about the underlying technology. 33

There is a clear trend towards easier-to-use blockchain tools and platforms. This vector of progress is likely to foster greater adoption of blockchain technology over time.

Regulatory support

Regulatory issues are another major barrier to blockchain adoption. In a recent Deloitte survey of blockchain-savvy executives, nearly two in five cited regulatory issues as a barrier to greater investment in blockchain technology. 34 The reason for this is that the technology introduces concepts and methods, such as cryptographic signatures and smart contracts, that existing regulations don’t address. In some cases, applications for the technology run counter to the practices those regulations envision. For instance, some organisations are exploring the use of blockchain for securely sharing patient medical records, with access to the records under patient control. But under Health Insurance Portability and Accountability Act rules, many disclosures of personal health information require that the recipient enter into a business associate agreement, a process fundamentally at odds with a blockchain model. 35

Addressing these issues requires official action—and we are starting to see it. This year alone, some 17 US state legislatures have considered and passed dozens of bills pertaining to the adoption of blockchain technology. These bills cover areas such as the recognition of cryptographic signatures, the definition and use of smart contracts and the use of blockchains for maintaining business records. 36 Meanwhile, the US Congress Joint Economic Report of 2018 endorsed blockchain and calls for a common and coordinated regulatory framework that creates clarity for developers. 37 And regulators such as the US Financial Stability Oversight Council, a government body that assesses financial system risks and the US Federal Trade Commission have formed working groups to examine the ways in which the technology will affect their objectives. 38

There is a lot of work still to do before the major regulatory hurdles to blockchain adoption are cleared. But momentum is building. Continued progress here is a vector of progress that will help to increase adoption of blockchain technology.

Multiplying consortia

As a technology that facilitates transactions across a network, the value of a blockchain network increases with the number of users. That’s one reason why the growth of blockchain consortia is a bullish sign. Blockchain consortia are groups of companies that collaborate to advance shared objectives for the technology; this can include defining use cases, setting standards, developing infrastructure and applications and operating a blockchain network. Some consortia educate, conduct research, or provide advice to their members. 39 A recent study counted some 61 blockchain consortia across a dozen industries globally—significant growth versus the prior year. 40

Financial companies took the lead in launching blockchain consortia and they’ve maintained enthusiasm. For instance, R3, which is building blockchain technology for the financial industry, leads a consortium whose membership has grown from 42 in 2015 to over 200 in 2018. 41 In the risk management and insurance domain, 30 companies so far have joined the Riskblock consortium to collaborate on blockchain applications to lower transaction costs while increasing the speed and security of data transfers among participants in the network. 42 (Deloitte is playing an active role in this consortium’s establishment and management.)

Firms outside financial services are forming consortia of their own, such as the Blockchain in Transport Alliance that includes leading players from the logistics sector and the MediLedger blockchain platform on which major players of the life-sciences sector are collaborating to keep counterfeit goods out of medical supply chains. 43 Even policymakers, regulators and central banks are beginning to join or found and lead blockchain consortia. 44 In the aforementioned executive survey, 29 per cent of respondents said their company was already participating in a blockchain consortium and another 45 per cent said they were likely to join one.

Not all consortia are building applications and not all are equally effective. But growing participation by enterprises, technology providers, regulators and governments is a vector of progress in the development of blockchain that will help increase adoption of the technology.

Conclusion

Over time, the five vectors of progress outlined here may help enterprises lower the cost and risk of deploying blockchain while expanding the practical applications of the technology.

Companies should keep an eye on emerging consensus mechanisms and techniques that could increase their transaction speeds exponentially. Developers of blockchain platforms and solutions should intensify their efforts to increase interoperability between ledgers and their connectivity with existing systems in the application landscape. As the vendor landscape for blockchain-as-a-service evolves further, the complexity of applying blockchain-based solutions will likely ease. Companies already have a wide array of options to help implement blockchain. They can evaluate these alternatives and choose the option most closely aligned to their needs.

Though regulatory understanding of the technology is still nascent, firms can collaborate with lawmakers and policymakers to create a solid regulatory framework—and perhaps look at leveraging policymakers’ experimental facilities. Finally, companies should look at creating an ecosystem of partners in order to derive maximum value from this collaborative technology.

It’s understandable why, despite promising pilots and experiments, executives might wonder when—and even whether—blockchain will be ready for mass adoption. But progress along these vectors is bringing the technology closer to its breakout moment every day.

David Schatsky is a managing director at Deloitte LLP. He is based in New York, NY.

Amanpreet Arora is an assistant manager at Deloitte Services India Pvt. Ltd. He is based in Mumbai, India.

Aniket Dongre is a manager at Deloitte Support Services India Pvt. Ltd., focusing on the junction of innovation, strategy, and technology. He is based in Mumbai, India.

The authors would like to thank Paul Sin of Deloitte Advisory (Hong Kong) Limited, Anthony Day and Antonio Senatore of Deloitte (Ireland), and Lisa Simpson and Dhananjay Goswami of Deloitte Consulting LLP for their contributions to this article.

Cover image by: Molly Woodworth

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  2. Stan Higgins, “Enterprise Ethereum Alliance unveils common blockchain standards,” Coindesk, 16 May 2018.

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  3. Larry Dignan, “Top cloud providers 2018: How AWS, Microsoft, Google Cloud Platform, IBM Cloud, Oracle, Alibaba stack up,” ZDNet, 14 February 2018.

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  4. National Conference of State Legislatures, “Blockchain legislation—2018 legislative session,” 10 July 2018.

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  5. Fabio Chesini, Alex Pradhan, and Chrissy Healey, “Toolkit: Blockchain consortium initiatives,” Gartner, 20 March 2018.

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  6. David Schatsky and Craig Muraskin, Beyond bitcoin, Deloitte University Press, 7 December 2015.

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  7. Lucas Mearian, “Spending on blockchain technology to double this year to £2.1B,” Computerworld, 26 January 2018.

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  8. David Furlonger and Rajesh Kandaswamy, “Blockchain status 2018: Market adoption reality,” Gartner, 27 March 2018.

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  9. Rob Marvin, “Microsoft unveils Coco: An open-source blockchain framework,” PCMag, 10 August 2017.

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  10. Salil Gunashekar et al., “The potential role of standards in supporting the growth of distributed ledger technologies/blockchain,” Rand Corp., accessed 11 September 2018.

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  11. RANE, “Lack of understanding and legal frameworks are main impediments to blockchain adoption,” 25 January 2018.

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  12. Daily Hodl, “Cryptocurrency transaction speeds: The complete review,” 27 April 2018; Alyssa Hertig, “How will Ethereum scale?,” Coindesk, accessed 11 September 2018. Note that we are referring to only transaction speeds—i.e., the amount of time a system takes to process a transaction—rather than block time, the average time taken by the power of the network to produce a new block or mine a block.

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  13. edChain, “Blockchain FAQ #3: What is sharding in the blockchain?,” Medium, 5 May 2018.

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  14. For a helpful overview, see Zane Witherspoon, “A hitchhiker’s guide to consensus algorithms,” Hacker Noon, 12 February 2018.

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  15. Malek Mezni, “Casper v.0.1.0, the new Ethereum’s proof-of-stake, released on Github,” Blokt, 10 May 2018.

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  16. William Suberg, “Vitalik Buterin: Sharding scaling improvement ‘is coming’ to Ethereum network,” Cointelegraph, 1 May 2018.

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  17. Paddy Baker, “Zilliqa closes in on Visa’s 8000 transactions per second,” Crypto Briefing, 25 August 2018.

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  18. Toshendra Kumar Sharma, “What are the alternative strategies for proof-of-work?,” Blockchain Council, 25 January 2018.

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  19. Deloitte analysis; interview with Paul Sin, Deloitte Blockchain Labs Hong Kong.

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  20. Jesus Leal Trujillo, Steve Fromhart, and Val Srinivas, Evolution of blockchain technology, Deloitte Insights, 6 November 2017.

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  21. Gunashekar et al., “The potential role of standards in supporting the growth of distributed ledger technologies/blockchain.”

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  22. Enterprise Ethereum Alliance, “Enterprise Ethereum Alliance expands presence in Asia; appoints blockchain expert Kazuaki Ishiguro to lead Japanese office,” 19 July 2018.

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  23. Hyperledger, “Hyperledger passes 250 members with addition of 9 organizations,” 31 July 2018.

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  24. Interledger, “Interledger,” accessed 11 September 2018.

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  25. Decentralized Identity Foundation, “Decentralized Identity Foundation grows to 56 members in our first year,” Medium, 22 May 2018.

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  26. Ibid.

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  27. GS1, “GS1 recommends use of existing data standards in enterprise blockchain implementations,” 2017.

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  28. Andrew S. Tanenbaum, Computer Networks, 2nd edition (Upper Saddle River, NJ: Prentice-Hall, 1988), p. 254.

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  29. See, for instance, Deloitte's 2018 global blockchain survey, in which “implementation” difficulty is the second-most chosen barrier; conversations with Deloitte clients.

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  30. Andy Patrizio, “Top 10 blockchain as a service providers,” Datamation, 27 March 2018; Marley Gray, “Ethereum blockchain as a service now on Azure,” Microsoft Azure, 9 November 2015; Alexander J. Martin, “Like a BaaS: IBM offers blockchain as a service,” Register, 20 March 2017; Catherine Shu, “Amazon’s new blockchain service competes with similar products from Oracle and IBM,” TechCrunch, 22 April 2018.

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  31. Matthew Kerner, “Simplifying blockchain app development with Azure Blockchain Workbench,” Microsoft Azure, 7 May 2018; AWS, “AWS blockchain templates,” accessed 11 September 2018.

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  32. Jeff John Roberts, “Google expands blockchain push with digital asset tie-up,” Fortune, 23 July 2018.

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  33. Sawtooth, “v1.0.5,” accessed 11 September 2018.

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  34. Deloitte, 2018 global blockchain survey.

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  35. Mike Miliard, “Blockchain and healthcare privacy laws just don’t mix,” Healthcare IT News, 3 May 2017.

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  36. National Conference of State Legislatures, “Blockchain legislation—2018 legislative session.”

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  37. Joint Economic Committee, The 2018 Joint Economic Report, US House of Representatives, 13 March 2018; Max Ambrose, “U.S. Congress officially supports blockchain technology,” Medium, 19 March 2018.

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  38. Stan Higgins, “US finance regulators form crypto working group, says Mnuchin,” Coindesk, 13 January 2018; Annaliese Milano, “US trade regulator launches blockchain working group,” Coindesk, 19 March 2018.

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  39. Peter Gratzke, David Schatsky, and Eric Piscini, Banding together for blockchain, Deloitte University Press, 16 August 2017.

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  40. Chesini et al., “Toolkit: Blockchain consortium initiatives.”

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  41. R3, “The R3 story,” accessed 11 September 2018.

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  42. Nathan Golia, “Insurance blockchain consortium RiskBlock adds 12 members, cybersecurity tools,” Digital Insurance, 21 August 2018.

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  43. Global Trade, “Dutch logistics consortium to explore blockchain technology,” 30 December 2016; Jeremy Nation, “Pfizer and Genentech turn to Ethereum blockchain,” ETHNews, 2 October 2017.

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  44. Carlo R.W. De Meijer, “Blockchain Project Jasper: Reaching boundaries,” Finextra, 15 February 2017.

    View in Article

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