Blockchain case study  227

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⚬Chief Marketing Officer

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⚬Head of Engineering

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⚬Head of Legal

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⚬Head of Procurement

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⚬Head of HR (Human resources)

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⚬Head of Cyber Security

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⚬Head of Blockchain

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⚬Team beneath each of the above roles

• Design an end-to-end architecture of the NFT-based ART marketplace

• Review the architecture internally and also through external parties

under NDA (non-disclosure agreement). Some examples of external

parties can be blockchain SMEs (subject matter experts) and block-

chain consulting firms

• Create functional and non-functional requirements

• Review external blockchain and other technology products and ser-

vices required as per the prospective architecture. Some of the prod-

ucts could be as follows:

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⚬Hosting the provider preferably cloud providers like AWS, Azure

or Google.

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⚬Virtual machines (VMs) to provide compute power and also

to install the software. Cloud providers offer various choices

of VMs.

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⚬Load balancers (LBs) to improve performance of the product

based on its design. There are various choices of LBs offered by

cloud providers.

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⚬Disaster recovery (DR) solution. Again, cloud providers have mul-

tiple offerings for DR.

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⚬Relational database for off-chain storage. It can be an open-

source database or a licensed product provided by the cloud

provider.

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⚬A digital vault to store passwords, identity, secrets and certifi-

cates. It can be hashicorp vault or a Vault service provided by

cloud providers.

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⚬A messaging queue product like Redis.

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⚬DevOps product (hosted on Cloud) to set up the development

eco-system.

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⚬Identity and authentication service like active directory. Mostly

all cloud providers offer a service for identity management

as well.

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⚬Storage. All cloud providers offer various storage services based

on the use cases.

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⚬Blockchain products.

• Set up workshops and meeting for vendors to provide more details of

their products in line with the high-level requirements.