Strategic Planning for Enterprise Blockchain Adoption BBLC Practice Questions (Page 1)

Questions 1–5

1. 1application · medium

   A group of competing insurance companies wants to create a shared registry of insured assets to prevent fraud. They need to share data with each other, but they do not want to expose their proprietary pricing models or customer relationships. They also need to comply with data privacy regulations. Which blockchain architecture is the most appropriate strategic choice?

   • AA private blockchain owned and operated by a single insurance company, with the other companies accessing it through APIs.
   • BA public permissionless blockchain to ensure maximum transparency and immutability for all stakeholders.
   • CA hybrid model using a public blockchain for the asset registry and a private blockchain for each company's internal data.
   • DA permissioned consortium blockchain where only approved insurance companies can validate transactions and access the shared asset registry.
   Reveal Solution Discussion Select an answer first
2. 2expert · hard

   A global bank is rolling out a blockchain-based KYC (Know Your Customer) system across multiple countries. The system will reduce the time for customer onboarding, but local compliance teams fear losing control over customer data. The bank's leadership wants to proceed quickly. Which change management strategy best addresses the compliance teams' concerns while maintaining momentum?

   • AReassign compliance teams to other roles to avoid delays.
   • BLimit communication about the system to senior management only.
   • CRoll out the system globally at once to achieve economies of scale.
   • DRun a pilot in one country with the compliance team as co-owners, then use their feedback to refine the system before global rollout.
   Reveal Solution Discussion Select an answer first
4. 3application · medium

   A consortium of five pharmaceutical manufacturers wants to track the chain of custody for temperature-sensitive vaccines from production to administration. Each manufacturer currently maintains its own private database, and hospitals report occasional discrepancies in batch records that require manual reconciliation. The consortium's IT leads are evaluating whether a blockchain solution is appropriate before committing to a pilot. Which combination of factors most strongly supports proceeding with a blockchain-based solution?

   • AMultiple independent parties need to share a tamper-evident record of custody events, and no single member currently controls the entire supply chain data flow.
   • BThe manufacturers want to replace their existing ERP systems with a single centralized database hosted by one member to reduce IT costs.
   • CThe hospitals require a public, permissionless network so that any consumer can anonymously view the entire custody history.
   • DThe primary goal is to improve the speed of internal batch record retrieval within each company's own private network.
   Reveal Solution Discussion Select an answer first
5. 4application · medium

   A healthcare consortium is building a permissioned blockchain to share patient consent records across hospitals in multiple countries. The legal team notes that the GDPR restricts cross-border data transfers. Which governance design best addresses this compliance requirement?

   • ADeploy nodes in each participating country and enforce data residency rules through smart contract logic and access controls.
   • BStore all patient data on a single node located in the country with the most permissive data protection laws.
   • CEncrypt all data and claim that encryption makes the transfer compliant.
   • DUse a public blockchain because it is decentralized and therefore exempt from GDPR.
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6. 5expert · hard

   A global food distributor is launching a consortium blockchain for farm-to-table traceability. The consortium includes large farms, small cooperatives, logistics providers, and retailers across multiple countries with varying data privacy laws. The governance committee is designing the network. They face a critical trade-off: they want to ensure data integrity through a robust consensus mechanism, but they also need to keep operational costs low for the small cooperatives that have limited IT budgets. Which governance and architecture decision best balances these competing constraints?

   • AUse a public permissionless blockchain to avoid the need for a governance committee and reduce the cost of infrastructure.
   • BUse a permissioned network with a small set of designated validator nodes operated by the larger, well-resourced members, while allowing smaller members to participate as non-validating nodes that submit and read data.
   • CImplement a single, centralized database managed by the largest retailer in the consortium to minimize infrastructure costs.
   • DRequire every member, including small cooperatives, to operate a full validator node to ensure maximum decentralization and data integrity.
   Reveal Solution Discussion Select an answer first