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It has taken almost 10 centuries for the next big disruption in the way transaction ledgers are created. In the 11th century, the double entry bookkeeping system changed how a ledger was maintained and now many centuries later, blockchain has the potential to revolutionize how systems of records are maintained.

To demystify blockchain and describe it in extremely simple words, it is nothing but a ledger which has the following characteristics:

  • Distributed & decentralized
  • Immutable – write once, read many times
  • Mathematically verified

The above properties enable blockchain to maintain a list of records with a very high level of trust without the need for a central authority to authenticate the transactions. Blockchain enables the programmatic authentication of records using certain mathematical algorithms that are completely tamper proof.




Use Cases

The World Economic Forum predicts that 10% of the world’s GDP would be on the blockchain by as early as 2025. Blockchain is already being used in some capacity across a plethora of industries and there are new use cases that are being developed constantly. While Government, Payments and Supply Chain are obvious use cases, there is evidence in unusual ones as well, like Media rights, Energy Exchanges, Telecom, e-Commerce and something as unusual as LGBT rights.

Some notable use cases are:

Supply Chain –  A leading consulting company and one of the largest retailers in the world have partnered to create a blockchain project to monitor food safety.

Healthcare –  A leading company in the US has become a pioneer in storing patient health records in electronic form using the principles of blockchain.

Cyber Security – A European country is facilitating blockchain based voter registration to establish unique and tamper proof user identities. Similar use cases are being developed for user authenticity in various government sectors.

Telecom – Leading telecom operators are deploying Blockchain technologies for roaming settlement and fraud prevention – which is expected to save Telcos billions of dollars annually.

Insurance – A leading Insurance company is looking to leverage blockchain technology and meet their SLAs of claims for recall products while providing a smoother experience to their customers.


Key Challenges

Just like any new technology that carries with it the potential of changing the way things are done, blockchain also comes with its fair share of challenges. As organizations prepare to experiment with blockchain and build unique use-cases, they must be aware of the following challenges:

Performance & Efficiency

  • Less than optimal performance due to consensus algorithm
  • Infrastructure challenges
  • Need to create multiple copies


  • Interoperability between traditional databases and blockchain
  • Interoperability between multiple blockchains

Reliability & Security

  • Vulnerability of end points
  • Lack of established standards and regulations
  • Security risks in partner organization

Technology Ecosystem

A successful blockchain implementation requires:

  • Distributed Ledger
  • High Performance & Scalable Infrastructure
  • Efficient Network Layer
  • Faster Consensus Algorithms
  • Smart Contracts
  • Applications
  • Analytics and Insights


The Happiest Minds Advantage

Happiest Minds brings in a deep understanding of the blockchain ecosystem to enable our customers to develop solutions and implement blockchain based solutions that help create incremental business value.

Using a consultative approach, we work together with organizations in understanding their unique requirements to advise our clients about the right technology, architecture or algorithms to deploy for blockchain implementations.

We have enabled our clients to deploy blockchain based solutions across –

  • Trust centric supply chain environments
  • Network security and infrastructure configurations
  • Smart contracts for peer to peer transactions in Fintech

Our services come with a strong focus on cyber security coupled with our core expertise in deploying and managing cloud and on-premise IT infrastructures that form the building blocks of Blockchain Platform as a service.

Service Offerings

Advisory, Design and Architecture

With no less than 14 consensus algorithms, 20+ blockchain infrastructure vendors, multiple protocols – it is an ardent task to choose which technology component is suitable for a specific customer use case.

Happiest Minds can assist in making this choice with its experience in working with multiple algorithms, infrastructure and platforms, use cases and the overall ecosystem.

Happiest Minds brings to the table a strong Software Defined Infrastructure focus, which enables the design of a robust, scalable and high-performance blockchain infrastructure.

Governance & compliance is a self-driven task for enterprises today; our risk & compliance teams can help with these challenges with our readily deployable framework.

Blockchain Platform Engineering

For implementing a reliable and scalable blockchain solution – there are a few attributes that need to be considered for engineering the underlying hardware and software platform

  • Secure Processing
  • High speed transactions
  • Interoperability with other systems
  • Reliability and Assurance

Happiest Minds’ expertise in product and platform engineering can be leveraged to create platforms, components and applications that address the above challenge by providing:

  • System design including FPGA development and verification for high speed and programmable cryptographic transactions.
  • High Speed Solid State/NVMe Storage and Networking systems design and development.
  • Cloud development – Azure Work Bench, Hyperledger and other cloud development services for private clouds, AWS, Azure and Google cloud.
  • Big Data Platform engineering and Analytics.
  • Monitoring and Assurance.
Industry Specific Web and Mobile dAPPS Engineering

dAPPS or distributed applications are the interfaces that users interact with to harness the power or benefits of blockchain and smart contracts.

Happiest Minds has a strong Cloud and Mobile engineering practice with extensive experience in building domain specific applications for industries like Industrial, BFSI, Supply Chain, Retail and Telecom.

Happiest Minds can be your partner for building successful dAPPs which can scale by ensuring the following:

  • Leverage the strong UX and Business Analyst practice to ideate and create work flows, prototypes, wireframes.
  • Develop UI using modern web technology stacks such as Angular, React/Node.
  • Application development on mobile platforms such as Android & iOS.
  • Integrate the app with smart contracts and blockchain platforms.
  • Scalable design using Microservices.
  • Model based continuous testing, test automation and DevOps.
Smart Contract Solutions Development

Simply Explained, smart contracts are digital versions of regular contracts. Programmatically, they are standalone scripts that are executed when certain conditions are met

Coupled with the underlying immutable and decentralized blockchain network, Smart Contracts can enable:

  • Efficient operations as human and 3rd party agent dependency is minimized or in some cases eliminated.
  • Innovative Business Models

Happiest Minds has core expertise in building applications with domain knowledge in many industry verticals and thus can be a partner of choice for engineering smart contracts.

  • Development of Smart Contracts using Java Script, Python, C++ and domain specific smart contract languages like GO and SOLIDITY on platforms such as Ethereum, Hyperledger & Azure Work Bench
  • Testing and Test Automation of Smart Contracts using Model Based Testing approach and framework
  • Audits & Analytics
  • Business Process Integration
Blockchain Security Services

While blockchain ensures transparency and openness, it can also expose the systems of records to some crippling vulnerabilities. Some of the important security risks associated with blockchain are:

  • Crypto Key Tampering
  • Misused Timestamps
  • Permission Escalation
  • Genesis Block Tampering
  • Inappropriate consensus mechanism
  • DoS Attacks
  • Man in the Middle attacks

Further, blockchain is the largest possible public ledger posing significant risks to data privacy and the right to be forgotten.

Happiest Minds has a thriving cybersecurity practice and we have developed secured systems that can provide security services to negate or minimize the above risks while deploying and managing the blockchain.

Our blockchain security services include:

  • Secure Access
    • Secure and private access design, distributed ledgers, consensus protocols, smart contracts and cryptography.
    • Data & communication encryption, key management, distributed identity establishment.
  • Data Privacy
    • Segregate & encrypt PII data that provides data privacy & security.
    • Strong Key management system, forgetting the keys will ensure the “right to be forgotten.
  • Self-Sovereign Identity
    • Identity encryption for privacy and mapped for legal assurance.
    • Anonymizing layers of distinct, purpose-specific identity relationships with different counter-parties.
    • Identity through ownership of private keys.
  • Application Security
    • Secure architecture, API Security, Secure code/Configuration review tools.
    • Assessment of services hosting the platform, SDKs, and APIs used by the applications to communicate with the Blockchain ecosystem.
    • Incorporating the best security practices in coding.
  • Threat Prevention & Device Security
    • Advanced threat prevention tools – cyber & risk analytics, RPA driven IM & resolution.
    • Endpoint security, ETDR, Port security, device authentication, secure communication, configuration management, continuous monitoring and secure patch management.
  • Third Party Security

Third party platform security review and remediation to prevent ‘51% attacks’. Vulnerability management of the Blockchain nodes working in unison and the network.

Middleware development / Enhancement & Analytics

The dAPPS, which are use case specific, interact with the underlying infrastructure through a middleware which provides services.

Happiest Minds can assist in building these services, which may include:

  • Identity Service
  • Policy Management
  • Consensus Manager
  • Smart Contract Services
  • Event Streaming Services

Happiest Minds has strong Big Data and Analytics engineering capabilities which can be leveraged to build plugins to the Blockchain infrastructure and derive intelligence for use cases such as:

  • Failure Prevention & Self-Healing
  • Business Intelligence
  • Anomaly Detection
Blockchain Platform as a Service
  • Solution Design
    • Design and architect solution for integrating various applications with blockchain.
    • Best practices and guidelines for blockchain teams.
  • Build, Deploy, Integrate & Migrate
    • Migration of Blockchain app onto new Cloud Infrastructure.
    • One-click deployment of blockchain infrastructure.
    • Network connectivity solutions with 3rd party for blockchain integration.
  • Managed Services
  • 24/7 monitoring and support for blockchain infrastructure.
  • Performance metrics and monitoring dashboards for measuring or monitoring blockchain performance.
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